52 BIBLIOGRAPHY. 



1875. 



18. Synop^s of the American Leporidae. <Proc. Boston Soc. Nat. Hist., XVII, 



1875, pp. 430-436. 



10 species, and 5 varieties = 15 forms. 



19. The Marine Mammals of Western North America. <The Nation, No. 501, 



Feb. 4, 1875. 



Review of Scammon's 'Marine Mammalia' (cf. supra, No. 17). 



.20. Geographical Variation in Color among Squirrels. <Amer. Nat, IX, pp. 504- 

 509, Sept. 1875. 



Extended abstract, with editorial comment, of No. 16, supra. 



1876. 



21. The North American Bison and its Extermination. <Penn Monthly, VII, No. 



75, pp. 214-224, March, 1876. 



A general summary of the subject. 



22. Recent Memoirs on North American Mammals. KAmer. Nat., X, pp. 423-425, 



July, 1876. 



Synoptic review of Theodore Gill's 'Synopsis of Insectivorous Mammals' (Bull. U. S. 

 Geol. and Geogr. Surv. Terr., No. 2, May, 1875). 



23. The Former Range of some New England Carnivorous Mammals. <Amer. 



Nat., X, pp. 708-715, Dec, 1876. 



Citations of many early records, showing their former occurrence far south of their present 

 ranges, and their great decrease in numbers as well as range. 



24. "Hare and Rabbit." <Forest and Stream, VI, No. 18, p. 284, June 8, 1876. 



On the significance and use of the terms. 



25. A Description of a new Generic Type (Bassaricyon) of Procyonidse from Costa 



Rica. <Proc. Acad. Nat. Sci. Philadelphia, 1876, pp. 20-23, pi. i, April 18, 

 1876. 



Bassaricyon gabbi, gen. et sp. nov. 



26. List of Mammals and Birds collected at Lake Titicaca, Peru. With field-notes 



by Samuel Garman. <Bull. Mus. Comp. Zool., Ill, No. 15, July, 1876, pp. 

 349-359. 



Mammals, 10 species, pp. 349-352. 



27. Description of some remains of an Extinct Species of Wolf and an Extinct 



Species of Deer from the Lead Region of the Upper Mississippi. < A mer. 

 Journ. Sci. and Arts, 3d ser., XI, pp. 47-51, Jan., 1876. 



Canis mississippiensis and Cervus whitneyi, spp. nov., p. 49. 



28. Geographical Variation among North American Mammals, especially in re- 



spect to size. <Bull. U. S. Geol. Surv. Terr., II, No. 4, pp. 309-344, July 1, 

 1876. 



