.PS YCIt.E. [May 89:.

13 and anal plates, milk white from spiracles joints very short together not longer than to feet, extending higher on joints 6-6 and the scape or less than one fourth the length 11-12, mottled. End of joint 13 swollen of the third joint; clypeus triangularly pro- above, light brown; joint 3 a little enlarged duced in the middle; claws bifid; all tibiae dorsally. In the natural position of rest, very spinous, hind tibiae with 4 long spurs curled spirally around a leaf petiole, the two beneath between middle and apex largest white patches adjoin each other. Meg,axyela Ashm. Enters the earth without ultimate stage. (type X. major Cress.) Single brooded, feeding only on immature Antennae I2-jointed, the nine terminal joints leaves. much shortened, together much shorter Staten Island, N. Y., June I; Bellport, than the third joint; both transverse radial Long Island; Bedford Park, N. Y., May 25; nervures originating from the second cubital Fort Lee and Plainfield, N. J., May i6 (the cell; clypeus and tibiae as in ]/Zeaxyela, youngest one). claws with a large erect tooth before middle Pleuroneura Konow. Table ofgezera of Xyelidae. 3" Antennae I2-jointed, the nine terminal joints slender, lengthened, together as long (By W. H. Ashmead.) or longer than the third joint; claws long, I. Front wings with the intercostal vein slender, with a very minute, nearly obsolete uniting with the subcostal; hind wings with tooth beneath a little beyond the middle 4 one complete submarginal and one discoidal 4" Front Wings with both transverse radial cell 3 nervures originating from the second cubital Front wings with the intercostal vein sepa- cell, rarely with the second transverse radial rated, distinct from the subcostal; hind interstitial; clypeus with a median ridge wings with two complete submarginal cells which is slightly extended beyond the an- and one discoidal cell 2 terior margin, but scarcely triangularly pro- 2. Antennae 9-jointed, the six terminal duced Manoxyela Ashm. joints very short, together not longer than (Type M. calffornfca Ashm.) the scape and less than half the length of the. Front wings with the first transverse radial third joint; clypeus with a median emargina- nervure originating from the second cubital tion; claws with an erect tooth before the cell, the second originating from the third tip Macroxyela Kirby. cubital; clypeus triangularly produced an- Antennae IO-jointed, the seven terminal teriorly 2@eIa Dalman.

RUDOLF LEUCKART. sixth year, was a zoologist of extraordinary range of study, touching in his work the anatomy and life-history of the most widely So many and such valuable contributions separated groups.of animals, working indeed to our knowledge of the morphology and through the whole animal realm from physiology of have come from the Amoeba to Man. His largest contributions laboratories of the late Professor R. Leuckart are those to the knowledge of the parasitic of the University of Leipzig, that a few worms, but his enlightening studies of the words of appreciation of this master zoolo- micropyle and fertilization of eggs gist's labors and of regret for his loss can (I855), the reproduction and development not be amiss in the pages of PSYCHE. Dr. of the Pupipara (1858), the alternation of Leuckart, who died in February in his seventy generations, and parthenogenesis among May 898.] t:'S YCIf. insects (1858 and later) and his exhaustive many of them are in the list of Leuckart's studies of the anatomy and life-history of students. Claus, Weismann, Bfitschli, Hats- the honey-bee (together with other contribu- hek, Chun (who succeeds to Leuckart's chair) tions) have made his name a familiar one Korschelt, Krpelin and others nearly as to entomologists. In passing, it is to be re- well known have worked in Leuckart's labora- gretted that entomologists as a rule have far tories. In America, Whitman, Mark, Baur, too little acquaintance with general zoolo- Herrick, Stiles, Patten, Pratt, Wood, Parker, gists" and their work, although it is a fact, Child and others are one-time students of and one which we must admit with humilia- Leuckart; and of the investigations made by tion, that most of our knowledge of insect these and the scores of other students in morphology and physiology has come from Leuckart's laboratories, a majority has had these general zoologists, men who are not for subiect the morphology of insects. professed students of insects, i. e. entomolo- Of Leuckart's relation to his students it is gists. only necessary, and is no exaggeration, to As a teacher Leuckart has been for years say that he was beloved by all of his students, the best known and most besought zoolo- and that the memory of him is a lasting gist of the world. If the names of the living inspiration to each of them. well-known zoologists of Europe (excluding Vernon L. Kellogg. England and France) are called surprisingly Le@zig, Marck, z898. Guide to the Genera and Classification of the Orthoptera of North America north of Mexico. By SAMUEL H. SCUDDER. 9 pp. 8 Contains keys for the determination of the higher groups as well as the (nearly zoo) genera of our Orthoptera, with full bibliographical aids to further study. Sent by mail on receipt of price ($i.oo). E. W. WHEELER, 1284 MAss. AVE., CAMBRIDGE, MASS. Published by Henry H01t & Co., New York. Scudder's Brief Guide to the Com- Scudder's The Life of a Butterfly. moner Butterflies. A Chapter in Natural History for By SAMUEL H. SCUDDER. xi + 206 pp. the General Reader. I:mo. $1. 5. By SAMUEL H. SCUDDER. 186 pp. I6mo. An introduction, for the young student, to .oo. the names and something of the relationship $ and lives of our commoner butterflies. The In this book the author has tried to present author has selected for treatment the butter- in untechnical language the story of the life flies, less than one hundred in number, which of one of our most conspicuous American would be almost surely met with by an in- butterflies. At the same time, by introduc- dustrious collector in a course of a year's or ing into the account of its anatomy, devel- two year's work in our Northern States east opment, distribution, enemies, and seaso'nal of the Great Plains, and in Canada. While changes some comparisons with the more or all the apparatus necessary to identify these less dissimilar structure and life of other but- butterflies, in their earlier as well as perfect terflies, and particularly of our native forms, stage, is supplied, it is far from the author's he has endeavored to give, in some fashion purpose to treat them as if they were so many and in brief space, a general account of the mere postage-stamps to be classified and ar- lives of the whole tribe. By using a single ranged in a cabinet. He has accordingly butterfly as a special text, one may discourse added to the descriptions of the different spe- at pleasure of many: and in the limited field cies, their most obvious stages, some of the which our native butterflies cover, this meth- curious facts concerning their periodicity and od has a certain advantage from its simplicity their habits of life. and directness. 216 .PS./'CH., [May x898. A NEW VOL UME 0F PSY'CHE began in January, x897, and will continue through three years. The subscription price (payable in advance) is $.5.00 per volume, or $2.oo per year, postpaid. Numbers are issued on the first day of each month. Libraries and individuals generally ordering through subscription agencies (w/ic/2 only take annual sub- scriptions) will please notice that it is cheaper to subscribe for the entire volume at once directly of us.-- Any early volume can be had for $5.o, unbound. Address Psyche, Cambridge, Mass. Vols. I-7, Complete, Unbound $33.00. Vols. I-7, and Subscription to Volume -. $37.00. Vol. 7 contains over 500 pp. and IO plates, besides other mustrations. COLLECTIONS FOR SALE. The following unusual offers are made for one month only:-- Diptera94o specimens of 337 named species, together with 2oo unnamed, or in all 4o4o specimens, $3S.00. Orthoptera3t2 specimens of 76 named species, with 364 unnamed, in all 676 $10.00. Native Coleoptera4856 specimens of 8o named species, $2S.00.. Foreign Coleopteraooo specimens of 428 named species, $8.00. All' neatly labelled and mounted, and in prime condition,. and including many fine things from choice localities in west and south. Purchaser to pay transportation. Address, C. F. BAKER, Auburn, Ala.

A. SMITH &. SONS, 269 PEARL STREET, Now York, 1IANUFATIRER8 AND I1IPORTF,RS OF 600DS FOR ENTGMOLOGISTS, Klaeger and Carlsbad Insect P.ns, Setting Boards, Folding Nets, Locality and Special Labels, Forceps, Sheet Cork, E;c. Other articles are being added, Sendf0r llst. The Butterflies of the Eastern United States and Canada, With special reference to New England. By SUL H. SCUDR. Illustrated with 96 plates of Butterflies, Caterpillars, Chrysalids, etc. (of which 4 are colored) which include about ,ooo 'igures besides Maps and portraits. 958 Pages of Text Vol. . Introduction Nymphalidae. Vol. e. Remaining Families of Butterflies. Vol. 3" Appendix, Plates and Indt.x. The set, 3 vol., royal 8vo. half levant, $75.oo net. HOUGHTON, MIFFLIN & CO., 4 Park St., Boston, Mass. International Journal of Peptides

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