384 NEOTROPICAL PSELAPHIDAE 



1928. A list of the insects of New York. Cornell Univ. Agr. Exp. Sta., Mem. 101. 



Mann, W. M. 1911. Notes on guests of Californian ants. Psyche 18:27-31. 



1911a. On some North West ants and guests. Psyche 18:102-9. 



1914. Some myrmecophilous insects from Mexico. Psyche 21:171-184. 



1915. Some myrmecophilous insects from Hayti. Psyche 22:161-166. 



1918. Myrmecophilous insects from Cuba. Psyche 25:104-106. 



1921. Three new myrmecophilous beetles. Proc. U. S. Nat. Mus., 59:547-552. 



1924. Myrmecophiles from the western United States and Lower California. 



Ann. Ent. Soc. Am., 17:87-95. 



Margolis, 0. S. 1935. The effect of the gene vestigial on facet number in Bar. Genetics 



20:156-171. 

 McCook, H. C. 1877. The mound-making ants of the AUeghanies. Trans. Am. Ent. 



Soc, 6:253-296. 

 Metcalf, Z. P. 1940. How many insects are there in the world? Entomological News 



51:219-222. 

 Morgan, T. H. 1919. The physical basis of heredity. Philadelphia: J. B. Lippincott. 



305 pp. 



1926. The theory of the gene. New Haven: Yale Univ. Press. 343 pp. 



Motschulsky, Victor de. 1855. (Letter) Etudes Entomologiques, pp. 8-25. 



Miiller, P. W. J. (Mueller). 1818. Beitrage zur Naturgeschichte der Gattung Claviger. 

 Magazin der Entomologie (Germar) 3:69-112. (First ecological study of myrmeco- 

 philous pselaphids). 



Park, Orlando. 1929. Ecological observations upon the myrmecocoles of Formica ulkei 

 Emery, especially Leptinus testaceus Mueller. Psyche 36:195-215. 



1932. The myrmecocoles of Lasius umhratus mixtus aphidicola Walsh. Ann. 



Ent. Soc. Am., 25:77-88. 



1932a. The food of Batrisodes globosus (LeConte). Jour. New York Ent. Soc, 



40:377-378. 



1933. The food and habits of Tmesiphorus costalis LeConte. Entomological 



News 44:149-151. 



1933a. Ecological study of the ptiliid myrmecocole, Limulodes paradoxus 



Matthews. Ann. Ent. Soc. Am., 26:255-261. 



1933b. A new species of Pselaphidae from Costa Rica. Ann. Ent. Soc. Am., 



26:563-566. 



1935. Hamotm turalbus, a new species from Costa Rica. Ann. Ent. Soc Am., 



28:131-134. 



1935a. Further records of beetles associated with ants. Entomological News 



46:212-215. 



1935b. Beetles associated with the mound-building ant, Formica ulkei Emery. 



Psyche 42:217-231. 



1938. Studies in Nocturnal Ecology, VIL Preliminary observations on Panama 



Rain Forest animals. Ecology 19:208-223. 



1940. Nocturnalism — the development of a problem. Ecological Monographs 



10:485-536. 



1941. Concerning Community Symmetry. Ecology 22:164-167. 



W. C. Allee and V. E. Shelford. 1939. A Laboratory Introduction to Animal 



Ecology and Taxonomy. University of Chicago Press. 272 pp. 



A. A. Barden and E. C. Williams, Jr. 1940. Studies in Nocturnal Ecology, IX. 



Further analysis of activity of Panama Rain Forest animals. Ecology 21:122-134. 



PaykuU, Gustaf von. 1789. Staphylinorum Sueciae, Upsala. pp. 365-366. (First pselaphid 

 described but placed in Staphylinidae). 



Pickles, W. 1937. Populations, territories, and biomasses of ants at Thomhill, York- 

 shire in 1936. Journal Animal Ecology 6:54-61. 



