176 THE AMERICAN BIoLY TEACHER October, 1957

INFORMATIONSHEET and entomologists, and here appeared an en- MT. LEMMONEXCURSION, OCTOBER 9 tomologist in "the flesh." Again, thanks for everything. 1. Busses will start loading at 7:30 a.m. in front of the Gym. We plan to leave Sincerely, shortly thereafter. L-_ 2. Take a sack lunch for the noon meal. (Biology) 3. Take a notebook for note taking. 4. Slacks or similar apparel suggested for Brief Log: girls. Left Phoenix Camelback High School Gym 5. Dr. Joe Marshall and Mr. Fred Tschirley at 7:51 a.m. from the University of Arizona will ac-

Arrived University of Arizona campus at Downloaded from http://online.ucpress.edu/abt/article-pdf/19/6/176/15146/4438911.pdf by guest on 24 September 2021 coinpany us as guide lecturers. We will 9:20 a.m. meet them in front of the Agriculture Arrived Bear Wallow near summit at 12:30 Building at the University of Arizona. p.m. 6. At lecture stops, load and unload the bus Left Bear Wallow for home at 2:20 p.m. quickly. Listen carefully to what the Arrived Phoenix Camelback High School University people have to say. Take campus at 6:15 p.m. notes of important information. 7. Lunch will be eaten after the lecture at the third stop, near the summit of Mt. Lemmon. Further instructions will be Turtle Heart Beats Five given at this stop. Suggestions for your report: Days After Death List as many plants as you can see and ALBERTJOHNSON, JAMESCLINTON, name between Phoenix and Tucson. List the and ROLLINSTEVENS names of mountain ranges you can identify Chipola Junior College, Marianna, Florida between Phoenix and Tucson. Use maps to Department of Biology help you locate the mountains. Give the loca- tion of mountains in relationship to the towns we pass through. Keep a travel record. Give arrival and departure times at towns we go through, etc. Make a detail report of what you see and hear as we go up Mt. Lemmon.

October 11, 195- ...... ------Dr. Edwin B. Kurtz, Acting Head Department of Botany University of Arizona Tucson, Arizona Dear Dr. Kurtz: A note of appreciation. We all had a A Chelonian identified as a female Alligator wonderful time Saturday. Dr. Marshall and Snapping Turtle weighing some 25 odd Mr. Tschirley clicked with the students, and pounds and 26 inches long was caught in a great deal was learned from them. Merrits Mill Pond, Marianna, Florida, by a It was also our good fortune to happen- Chipola Junior College student, John Payne. stance upon Dr. Butler in Bear Wallow col- The turtle was decapitated and dissected for lecting pine aphids. He graciously took time a study of its heart and circulation, with a out to tell us a number of things about his further examination for possible helminthic work. A most opportune coincident. We had infestation. Following dissection by members just gotten into a unit on insects in our class- of the Biology Department, the cadavar was work, and had been talking about entomology placed in the refrigerator from Thursday to Vol. 19, No. 6 ANT HOUSES 177

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Close-up of Alligator Snapping Turtle. the following Monday. During the interim, The turtle was remarkablv free from endo- daily observations were made. parasitic infestation considering the nature of It was evident that the chilling slowed down the Florida swamp bank upon which she was the apparent progression of cardiac contrac- found. Two coiled nemathelminthes about tions to the point that the advancement of 3/4 inches long were imbedded in the peripheral contraction could be followed easily. But the interlobular tissues of the lungs. They were heart remained active, beating at a slow rate tentatively identified as pulmonarv strongy- before final cessation of systolic and diastolic lids. movements. No stimulus of any kind, mechan- Four platyhelminthes as flukes were taken ical or biochemical, was attempted, so that from the duodenum. These helminthes have cardiac beats were continued naturally for five been sent to the Department of Parasitology, days after demise, even under constant re- Florida State University at Tallahassee, Florida, frigeration. for final taxonomy and identification.

and 2 strips to the width. Ant Houses Small nails and a few tools THOMASP. BENNETT Putty is used to secure the glass in the Florida State University frames. The wooden strips are then nailed on Tallahassee, Florida to the wooden portion of one of the frames. The other frame is then nailed onto this struc- have Efficient observation houses for ants ture to give a sandwich effect as illustrated. A in a simple been constructed very cheaply strip of adhesive tape is then used to seal these materials manner. For one house the following junctures. A small hole is drilled in the top of are needed: the house through the stripping to provide a 2 picture frames with glass portal for the introduction of ants and to 4 strips of wood the width of the wooden provide a passage for air if the hole is loosely portion of the frame and about 1/2 an plugged with cotton. A stand can be made inch in thickness. from two boards which have been slotted to 2 strips are cut to the length of the frame receive the frame structure.