1952] Books 225 topics. These were in order of pmference: re- The St. Louis Meeting production, heredity, pathology and behavior. (Continuedf r om paqe 221) If the desire for more emplhasis upon certain TUESDAY AFTERNOON, DEC. 30 topics in biology can be interpreted as greater 2:00 p.m.; Parlor D, Hotel De Soto; Panel Dis- interest in those parts of the course, one may cussion: Effective Techniquesin TeachingCon- conclude that students desiring any increase servation in Biology, RICHARD L. WEAVER, of Michigan,Presiding. in emphasis prefer the emphasis to be upon University topics of much personal importance. Panel Members: HOWARD E. WEAVER, Texas Forest Service,College Station, Texas. EARLE Suggestions, 447 in number, were listed by EMERSON, Coalgate City Schools, Coalgate, 225 students. Many of these were highly con- Oklahoma. SAM P. HEWITT, State College, structive and all should be considered in an Warrensburg,Missouri. C. W. LANTZ, Iowa State Teachers College, Cedar Falls, Iowa.

analysis of the course. After reading the DON Q. MILLIKEN, Kansas State Teachers Downloaded from http://online.ucpress.edu/abt/article-pdf/14/8/225/20709/4438430.pdf by guest on 24 September 2021 abundant suggestions ranging from poor to College, Pittsburg, Kansas. ADRIAN Fox, U. S. excellent and including criticisms, one feels Soil ConservationService, Lincoln,Nebraska. GORDON N. BENDER, State Teachers College, the weight of the idea that college students Bemidji, Minnesota. should have opportunity to exercise some in- Summary: HOWARD MICHAUD, Purdue Univer- fluence upon the content and presentation of sity, Lafayette, Indiana. college courses. Faculties may take this TUESDAY EVENING, DEC. 30 thought into consideration when revising ex- 8:00 p.m.; Parlor D, Hotel De Soto; Meeting of the National ConservationCommittee, RICHARD isting courses or initiating new ones. L. WEAVER, Michigan School of Natural Re- sources. Open to anyone interested. WEDNESDAY MORNING, DEC. 31 9:00 a.m.; ParlorD, Hotel De Soto; Conservation iVork Conference, RICHARD L. WEAVER, Pre- Support siding. Our Advertisers 1. Developmentand Expansionof State Plans for ConservationProject. W. M. Welch Scientific Company 2. Reports of State Teams. STATE CHAIR- MEN. Visual Aids, Inc. 3. Suinmary of Project Plans. RICHARD L. The Agersborg Biological Laboratory WEAVER. Biological Abstracts Arthur T. Brice Books Wards Natural Science Establishment SMITH, GILBERT M., Editor. Manual of Phycol- ogy, An Introduction to the Algae and Their Denoyer-Geppert Company Biology. The ChronicaBotanica Co., Waltham, Visual Sciences Mass. XI+ 375 pp. illus. 1951. $7.50. Marine Biological Laboratory This book, designedboth for the phycologistand E. G. Hoffman and Son for the botanist who is not primarilyinterested in algae but who is familiar with a representative Quivira Specialties Company series of forms, follows the current practice of in- Walter F. Webb cluding among the algae those holophytic organ- Feiereison Herbarium Supplies isms that, until relatively recently, were treated only by the protozoologist. Followinga short his- Exacta Camera Company tory of phycology, Dr. Smith gives the position of General Biological Supply House the algae in the plant kingdom and the charac- American Optical Company teristics of the seven divisions. Each division is written by a separateauthor, and, although differ- Make yourself known to these advertisers; ing somewhatin the manneror organizationof his material,each author discussesthe structure,repro- this is the only way to make advertising effec- duction, and classification of his group. Each tive for those who support us with their ad- chapteris well illustratedand containsan extensive vertising. bibliography. 226 The American Biology Teacher [Dec.

In addition there are several chapters, devoted protozoa for observation. TheIe are three sections to the general biology of the algae, mostly not of this cardboard-covered book, page size 11 x 8?/2 covered in existing treatises. Chapters on Micro- with references at end of each section. The first technique, Methods for the Cultivation of Algae, seventeen pages deals with collection and cultiva- Ecology of Marine Algae, Cytology of Algae, Sexu- tion methods for free-living protozoa. Culture ality of Algae, and Physiology and Biochemistry of media recipes are given alphabetioally form Agar Algae make this a valuable reference book for to Zumstein media. The second section, ten pages, those interested in algology. is devoted to collection and cultivation methods for CHARLES C. HERBST, symbiotic protozoa. Third is the twenty-nine-page Beverly Hills High School, section devoted to technical methods of study and Beverly Hills, California preservation ranging from aceto-carmine stain thru

Fixation fluids, Haematoxylin staining to Wright Downloaded from http://online.ucpress.edu/abt/article-pdf/14/8/225/20709/4438430.pdf by guest on 24 September 2021 McDoUGALL, W. B., and SPERRY, 0. E. Plants of stain. A complete eight-page index is found at the Big Bend National Park. U. S. Government end of the book. Printing Office, Washington. XII + 1-209 pp. M. A. RUSSELL, 190 figs. 1951. $1.00. Highland Park Junior College, An excellent and helpful work for both the ama- Highland Park, Mich. teur and professional botanist. The figures, except for a few line drawings in the beginning to aid the MARTIN, GUSTAVJ. Biological Antagonism-The amateur, are half-tone photographs, and are good. Theory of Biological Relativity. The Blakiston There is a key to the families of the Pteridophytes Co., Philadelphia 5, Pa. vii + 516 pp. illus. 1951. and Spermatophytes, and, in general, there are $8.50. if several are in- keys to genera and to species The author presents authoritatively, completely, volved. and concisely the concept of biological relativity, as complex as the park, new In an area as large and based upon an extensive study of biological antago- This is records are certain to be found. especially nisms and as seen in and related to amino acids, the Rio Grande flood true for weedy plants along hormones, minerals, purines, enzymatic structure there the right year, plain. Unless the collector is and action, pyrimidines, and vitamins. He relates be found. and between floods, certain plants cannot such a basic concept to the fields of chemotherapy, two more genera of the Two species of Ro7ippa, immunolo, y, and pharmacology. The coverage of Umbelliferae (Apium and Ammoselinum), Gilia the whole study of metabolite analogues is thor- xalapensis,and longiflora,Veronica peregrina var. ough and complete, and yet concise enough as to the plants we have at hand not Evax are among make the book an excellent reference work for re- recorded by the authors. search students and investigators in the fields of to be praised for writing this The authors are chemotherapy, immunology, pharmacology, and it for flora. Professional botanists will welcome medicine. The over 1900 references are carefully from regions well dealing with an area far removed selected and arranged, and represent a complete the authors may covered taxonomically. Though survey of pertinent literature. The index is quite be too optimistic in believing that even an amateur comprehensive and well arranged. The text matter will be able "to identify accurately and determine includes &4figures and 44 tables. the name of any plant he may find in the park," the amateur will be able to identify enough of them B. BERNARRVANCE, to add to his enjoyment of this scenic area. Sinclair College, Dayton, Ohio GEORGE J. GOODMAN, University of Oklahoma, Norman, Oklahoma YOUNG, J. Z. Doubt and Certainty in Science. Clarendon Press, Oxford. VIII+ 168 pp. illus. KIRBY, HAROLD. Materials and Methods in the 1951. Study of Protozoa. University of California The author, in eight lectures comprising the Press, Berkeley and Los Angeles, California. Reith Lecture Series for 1950 and comments there- x + 72 pp. $2.50. upon, presents a simple, clear explanation of the This is a valuable book for the beginningProto- phenomena of brain and nerve functioning. He zoologist. The techniquesexplained are mostly for does this by comparison with computing machines, securing,maintaining and making preparationsof "mechanical brains." No other subject illustrates