MICHIGAN ACADEMY OF SCIENCE. 
23 
G. 
The Taxation of Local Ptiblic Utilities 
of Michigan Agricultural College. 
Public Utility Accounting in Michigan. 
versity of Michigan. 
Discussion opened by H. C. Adams, of 
in Michigan. E. IT. Ryder, 
David Friday, of the TTni- 
the University of Michigan. 
SECTION OF ZOOLOGY. 
Thursday , 9:00 a. in. and 1:30 p. m. 
ROOM 207, SOUTH WING, UNIVERSITY 1IALL. 
1. Factors Governing Local Distribution of the Thysanoptera. A. F. 
Shull. 
2. Results of the Mershon Expedition to the Charity Islands, Lake 
Huron Coleoptera. A. W. Andrews. 
3. Types of Learning in Animals. J. F. Shepard. 
4. The Lepidoptera of the Douglas Lake Region, Cheboygan County, 
Michigan. Paul S. Welch. 
5. Check list of Michigan Lepidoptera. II. Spliingidae (Hawk Moths). 
W. W. Newcomb. 
G. On the Breeding Habits of the Log, Perch. Jacob Reighard. 
7. A list of the Fish of Douglas Lake, Cheboygan County, Mich., with 
notes on their Ecological Relations. Jacob Reighard. 
8. May the Remains of Adult Lepidoptera be Identified in the Stomach 
Contents of Birds? F. C. Gates. 
9. The Mitochondria. R. W. Hegner. 
10. The Unione Fauna of the Great Lakes. Bryant Walker. 
11. Notes on the Genus Edaphosaurus Cope. (20 minutes). E. Case'. 
12. Methods of Preparing Teleost Embryos for Class Use. (Demonstra- 
tions). B. G. Smith. 
13. An Adult Diemyctylus with Bifurcated Tail. B. G. Smith. 
14. Notes on the Mollusks of Kalamazoo Countv, Mich. Harold 
Cummins. 
15. Sarcoptid Mites in the Cat. Harold Cummins. 
1G. The Origin of Continental Forms, ITT. Howard Baker. 
17. An Ecological Study of the Birds of Manchester, Mich. F. Gaige. 
18. Notes on Crustacea Recently Acquired by the Museum of Natural 
History of the University of Michigan. A. S. Pearse. 
19. Distribution of Multiple Embryos on the Blastoderm. O. C. Glaser. 
20. Nesting of Our Wild Birds. Jefferson Butler. 
21. The Factors that Determine the Distribution of Boleosoma Nigrum 
in Douglas Lake, Cheboygan County, Mich. H. V. Heimburger. 
22. Structure of the Olfactory Organs. E. W. Roberts. 
23. A Method of Producing Cell-like Structures by Artificial Means. E. 
W. Roberts. 
24. Some Notes on Rhizopods from Michigan. E. W. Roberts. 
25. An Interesting Form of Protozoa. E. W. Roberts. 
2G. Oxygen and Carbonic Acid Contents of Douglas Lake, Cheboygan 
County, Mich. D. A. Tucker. 
27. Some Observations on Asplanchna Amphora. D. A. Tucker. 
28. Some Effects of Sunlight on the Starfish. H. M. MacCurdv. 
