RECENT LITERATURE 
121 
Hedlicka, Ales^ Shovel-shaped teeth. Amer. Journ. Phys. Anthr., vol. 3, 
pp. 429-465, December, 1920. (Contains notes on the teeth of mammals.) 
Ibsen, Heman L. Tricolor inheritance. IV. The triple allelomorphic series in 
guinea pigs. Genetics, vol. 4, pp. 597-606, November, 1919 (February, 1920). 
Jackson, Clakence M., and Chester A. Stewart. The effects of inanition 
in the young upon ultimate size of the body and of the various organs in the 
albino rat. Journ. Exper. ZooL, vol. 30, pp. 97-128, January, 1920. 
Jones, F. Wood. The external characters of pouch embryos of marsupials. 
No. I — Trichosurus vulpecula, var. typicus. Trans. Royal Soc. South Aus- 
tralia, vol. 44, pp. 360-373, plates 14, 15, 1920. 
King, Helen Dean. Studies on inbreeding. IV. A further study of the effects 
of inbreeding on the growth and variability in the body weight of the albino 
rat. Journ. Exper. Zool., vol. 29, pp. 71-111, August, 1919. (Based upon 
the growth and variability in the body weights of 296 males and 310 females 
belonging in the sixteenth to the twenty-fifth generations of two series of 
albino rats that were inbred, brother and sister from the same litter. Seem- 
ingly, inbreeding has as yet produced no deterioration in the original albino 
stock as regards the rate and extent of growth in body weight.) 
Lomen, Carl J. Hearings before the Committee on Ways and Means, House of 
Representatives, on reindeer meat, January 21, 1921. Tariff Information, 
1921, Washington,, Government Printing Office, pp. 1-25. 1921. (Statement 
by Mr. Lomen, and briefs on the reindeer industry in Alaska filed with it.) 
Lucas, Frederic A. The unicorn and his horn. Nat. Hist., vol. 20, pp. 532- 
535. December, 1920. 
MacDonald, Rose M. A question of bibliography. Science, n. s., vol. 53, pp. 
74, 75. January 21, 1921. (Reply to quer}’’ by A. Willey for information as 
to what ‘‘Mr. Lockhart’' is quoted in Coues’ Fur-bearing Animals.) 
May, Henry G. Observations on the nematode genus Nematodirus, with de- 
scriptions of new species. Proc. U. S. Nat. Mus., vol. 58, pp. 577-588, pis. 
29-35. December, 1920. (This genus of nematodes inhabits the intestines 
of sheep, cattle, goats, deer, camels, and rodents. One species, Nematodirus 
neotoma, inhabits the small intestine and stomach of woodrats from Colorado, 
the type specimens having been taken from Neotoma cinera rupicola.) 
Mayer, Charles. Trapping an elephant herd in Trengganu. Asia, vol. 20, 
pp. 1055-1058, December, 1920. (An account of trapping a herd of 60 ele- 
phants in a stockade.) 
How Sir Elephant mastered the herd. Asia, vol. 21, pp. 27-32. Jan- 
uary, 1921. (Explains in story form methods of taming or “breaking” 
elephants. Contains many valuable data on habits of elephants.) 
Long chances in the animal dealer’s game. Asia, Vol. 21, pp. 154-159, 
168. February, 1921. (Account of shipping 5 elephants by steamboat. 
Notes on habits of elephants. Account of trapping a live rhinoceros.) 
Michl, Eduard, Beitrag zur Entwicklungsgeschicte vom Bos taurus L. Anat. 
Anz., vol. 53, pp. 193-215. August 20, 1920. 
Miranda Ribeiro, Alipio de. Os veados do Brasil segundo as collecgOes Ron- 
don e de varies Museus nacionaes e estrangeiros. Revista do Museu Paul- 
ista, vol. 11, pp. 209-307; 25 plates, 1 map. 1919. (Largely discussion and 
quotation of earlier authors. Odocoelus suaguapara, apparently a variant of 
