578 EXTINCT AND VANISHING MAMMALS 



OLSON, SIGURD F. * 



1938. A study in predatory relationship with particular reference to 



the wolf. Sci. Monthly, vol. 36, pp. 323-336, fig. 

 ORR, ROBERT T. 



1938. A new rodent of the genus Nesoryzomys from the Galapagos 

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 303-306, 1 pi. 

 OSGOOD, WILFRED H. 



1900. Results of a biological reconnaissance of the Yukon River region. 



Annotated list of mammals. North Amer. Fauna, no. 19, pp. 

 21-45, pis. 4-7. 



1901. Natural history of the Cook Inlet region, Alaska. North Amer. 



Fauna, no. 21, pp. 51-81, pi. 7. 

 1904. A biological reconnaissance of the base of the Alaska Peninsula. 



North Amer. Fauna, no. 24, 86 pp., 7 pis. 

 1908. The game resources of Alaska. U. S. Dept. Agr. Yearbook for 



1907, pp. 469-472. 

 1912. Mammals from western Venezuela and eastern Colombia. 



Field Mus. Nat. Hist. Publ. 155, zool. ser., vol. 10, no. 5, pp. 



33-66, 2 pis. 



1914. Mammals of an expedition across northern Peru. Field Mus. 



Nat, Hist. Publ. 176, zool. ser., vol. 10, no. 12, pp. 143-185. 



1916. Mammals of the Collins-Day South American expedition. Publ. 



Field Mus. Nat. Hist., zool. ser., vol. 10, pp. 199-216, 2 pis. 

 1929. A new rodent from the Galapagos Islands. Publ. Field Mus. 



Nat. Hist., zool. ser.,-vol. 17, pp. 21-24. 

 OSGOOD, W. H.; PREBLE, E. A.; and PARKER, G. H. 



1915. The fur seals and other life of the Pribilof Islands, Alaska, in 



1914. Bull. Bur. Fish., vol. 34 (1914), 172 pp., 18 pis., 24 



maps. 

 PALMER, RALPH S. 



1938. Late records of caribou in Maine. Journ. Mamm., vol. 19, pp. 



37-43. 

 PARKER, GEORGE H. 



1917. The fur-seals of the Pribilof Islands. Sci. Monthly, 1917, pp. 



385-409, 25 figs. 

 PEDERSEN, ALWIN. 



1934. Der Moschusochse in Ostgronland. Zeitschr. fiir Saugetierk., 



vol. 9, p. 433. 



1936. Der gronlandische Moschusochse, Ovibos moschatus wardi 

 Lydekker. Medd. om Gr0nland, vol. 93, no. 7, pp. 1-82, 19 

 figs. 

 PERINGUEY, L. 



1921. A note on the whales frequenting South African waters. Trans. 



Roy. Soc. South Africa, vol. 9, pp. 73-76, pi. 1. 

 PERKINS, R. C. L. 



1903. Vertebrata. In "Fauna Hawaiiensis," vol. 1, pt. 4, pp. 365-466. 

 PETERS, WILHELM CARL HARTING. 



1863. Uber die Saugethiergattung Solenodon. Abh. Akad. Wiss. 

 Berlin, 1863, no. 1, pp. 1-22, 3 pis. 



