KECENT LITERATURE 
195 
Mitchell, P. Chalmers. Official guide to the gardens of the Zoological So- 
ciety of London. Eighteenth edition, with 52 illustrations from photo- 
graphs of animals now or recently living in the gardens, taken by F. W. 
Bond, F. Martin Duncan, F. Z. S., and D. Seth-Smith, F. Z. S. 110 pages. 
London. 1920. 
Murray, Henry A., Jr. The development of the cardiac loop in the rabbit, 
with especial reference to the bulboventricular groove and origin of the 
interventricular septum. Amer. Journ. Anat., vol. 26, pp. 29-39. Septem- 
ber 15, 1919. 
Seton, Ernest Thompson. The habitat and home life of the kangaroo rats of 
our western desert. Journ. Washington Acad. Sci., vol. 10, pp. 306-307. 
May 19, 1920. (Brief abstract of an illustrated lecture given before the 
Biological Society of Washington.) 
Shufeldt, R. W. Weasels and their habits. Amer. Forestry, vol. 26, pp. 
163-169, figs. 1-10. March, 1920. (Popular account of the North American 
species.) 
Stock, Chester. Origin of the supposed human footprints of Carson City, 
Nevada. Science, n. s., vol. 51, p. 514. May 21, 1920. (Record of Mylodon 
remains in the Pleistocene deposits at Carson City.) 
Stone, Witmer. The use and abuse of the genus. Science, n. s., vol. 51, pp. 
427-429. April 30, 1920. (A sane discussion of the problems of genera, 
subgenera, and technical names.) 
SwENK, Myron Harmon. On a new subspecies of otter from Nebraska. Uni- 
versity studies, Lincoln, Nebraska, 1918. Separate, pp. 1-6, pi. 1. May 
15, 1920. {Lutra canadensis interior subsp. nov., from Lincoln Creek, Seward 
County.) 
Taylor, Walter P. Notes on mammals collected principally in Washington 
and California between the years 1853 and 1874 by Dr. James Graham Cooper. 
Proc. California Acad. Sci., ser. 4, vol. 9, pp. 69-121. July 12, 1919. (An 
interesting summary of Doctor Cooper’s work and notes on 114 of his speci- 
mens of mammals still extant in American museums.) 
Taylor, Walter P. Saving the Yellowstone elk herds. Conservationist, vol. 
3, no. 1, pp. 3-6, 2 figs. January, 1920. 
Thomas, Oldfield. Notes on the genus Cheliones. Journ. Bombay Nat. 
Hist. Soc., vol. 26, pp. 726-727. October 20, 1919. (Describes Cheliones 
hurriancB collinus, subsp. nov., from Kohat, Northwest Frontier, India.) 
Thomas, Oldfield. Some new mammals from Mesopotamia. Journ. Bombay 
Nat. Hist. Soc., vol. 26, pp. 745-749. October 20, 1919. (New: Eptesicus 
hingstoni, E. walli, Pipistrellus coxi, Paraechinus ludlowi, and Gerbillus 
cheesmani.) 
Thomas, Oldfield. On Neotropical bats of the genus Eptesicus. Ann. and 
Mag. Nat. Hist., ser. 9, vol. 5, pp. 360-367. April, 1920. (New forms: 
E.fuscus pelliceus from Merida, Venezuela; E. chiriquinus, Boquete, Chiri- 
qui; E. montosus, Highlands of Bolivia; E. inca, Cuzco, Peru; E. punicus, 
Puna Island, Gulf of Guayaquil; E. argentinus, Goyna, Argentina; and 
E. fidelis, Esperanza, Argentina.) 
