MAMMALS. 



81 



1914. 



252. Review of the Genus M icr ostiums. < Bull. Amer. Mus. Nat. Hist., XXXIII, 



pp. 145-165, Feb. 26, 1914. 



19 species and subspecies recognized. Spp. nov.: (1) Microsciurus rubrirostris, p. 163; 

 (2) M. florencise, p. 164. 



253. Two new Mammals from Ecuador. <Bull. Amer. Mus. Nat. Hist., XXXIII, 



pp. 199-200, Feb. 28, 1914. 



(1) Sylvilagus daulensis, p. 199; (2) Thomasomys aureus altorum, p. 200. 



254. Mammals from British East Africa, collected on the Third African Expedition 



of the American Museum by William S. Rainsford. <Bull. Amer. Mus. Nat. 

 Hist., XXXIII, pp. 337-344, June 18, 1914. 



Annotated list of 40 species. 



255. New South American Bats and a new Octodent. <Bull. Amer. Mus. Nat, 



Hist., XXXIII, pp. 381-389, pi. xxviii, July 9, 1914. 



Spp. et subspp. nov.: (1) Amorphochilus schnablii osgoodi, p. 381; (2) Eptesicus andinus, 

 p. 382; (3) Dasypterus ega punensis, p. 382; (4) Myotis ruber keaysi, p. 383; (5) M. punensis, 

 p. 383; (6) M. bondse, p. 384; (7) M. maripensis, p. 385; (8) M. esmeraldse, p. 385; (9) M. 

 caucensis, p. 386; (10) Nyctinomus equatorial is, p. 386; (11) Mormopterus peruanus, p. 387; 



(12) Thrinacodus apolinari, p. 387, pi. xxxviii, skull, with skull of Dactylomys dactylinus for 

 comparison. 



256. New South American Sciuridse. <Bull. Amer. Mus. Nat. Hist., XXXIII, pp. 



585-597, fig. 1-2, Oct. 8, 1914. 



Notosciurus gen. nov., p. 585; spp. et subspp. nov.: (1) TV. rhoadsi, p. 585, text figs. 1-2; 

 (2) Guerlinguetus pucheranii salentensis, p. 587; (3) G. hoffmanni quindianus, 587; (4) G. 

 hoffmanni manavi, p. 589; (5) G. griseimembra, p. 589; (6) G. candelensis, p. 590; (7) Sciurus 

 gerrardi salaquensis, p. 592; (8) <S. gerrardi cucuise, p. 592; (9) 5. saltuensis magdalense, 594; 

 (10) S. duida, p. 594; (11) 5. igniventris zamorse, 594; (12) S. langsdorffii urucumus, p. 595; 



(13) <S. langsdorffii steinbachi, p. 596; (14) S. stramineus zarumse, 597. 



257. New South American Monkeys. <Bull. Amer. Mus. Nat. Hist., XXXIII, pp. 



647-655, Dec. 14, 1914. 



Spp. et subspp. nov.: (1) Callicebus lugens duida, p. 617; (2) Alouatta seniculus bogotensis, 

 p. 648; (3) A. seniculus caquetensis, p. 650; (4) Pithecia milleri, p. 650; (5) Cacajao roosevelti, 

 p. 651; (6) Ateles longimembris, p. 65; (7) A. robustus, p. 652; (8) Cebus apella brunneus, 653; 

 (9) C. sequatorialis, p. 654. 



258. The Generic Names Speothos and Icticyon.<Proc. Biol. Soc. Washington, 



XXVII, p. 147, July 10, 1914. 



Both genera tenable, not synonyms as held by some authors. 



258a. Individual Variation in Muskoxen. <IX e Congres International de Zoologie 

 tenu a Monaco, 1913, pp. 210-215. Separates received in June, 1914. 



With reference to the bones of the skull. 



1915. 



259. Review of the South American Sciuridse. <Bull. Amer. Mus. Nat. Hist., 

 XXXIV, pp. 147-309, pll. i-xiv, and 25 text figs., May 17, 1915. 



Historical outline, pp. 151-158; general considerations, pp. 158-168; genera and sub- 

 genera of American squirrels, pp. 169-186; systematic review of the South American squirrels, 



