80 



BIBLIOGRAPHY. 



246. New Mammals from Colombia and Ecuador. <Bull. Amer. Mus. Nat. Hist., 



XXXII, pp. 469-484, text figs. 1-18, Sept. 25, 1913. 



Spp. et subspp. nov.: (1) Cholazpus florencise, p. 469; (2) C. agustinus, p. 470; (3) C. 

 andinus, p. 472; (4) C. capitalis, p. 472; (5) Tayassu niger, p. 476; (6) Sylvilagus (Tapeti) 

 salentus, p. 476; (7) Myoprocta milleri, p. 477; (8) Coendu quichua richardsoni, p. 478; (9) 

 Proechimys o'connelli, p. 479; (10) Sigmodon chonensis, p. 479; (11) Akodon tolimse, p. 480; 

 (12) Potos flavus tolimensis, p. 481; (13) Nasua olivacea lagunetae, p. 483; (14) Tayra barbara 

 senilis, p. 484. 



247. Revision of the Melanomys Group of American Muridae. <Bull. Amer. Mus. 



Nat. Hist., XXXII, p. 535-555, pi. lxviii, Nov. 17, 1913. 



14 species and subspecies, the following new: (1) Melanomys caliginosus oroensis, p. 538; 

 (2) M. affinis monticola, p. 540; (3) M. phseopus vallicola, p. 544; (4) M. phseopus tolimensis, 

 p. 545; (5) M. lomitensis, p. 545; (6) M. buenavistse, p. 547. 



248. New South American Muridse. <Bull. Amer. Mus. Nat. Hist., XXXII, pp. 



597-604, Dec. 3, 1913. 



Spp. et subspp. nov.: (1) Oryzomys helvolus, p. 597; (2) O. o'connelli, p. 597; (3) O. 

 vincencianus, p. 598; (4) O. incertus, p. 598; (5) Zygodontomys griseus, p. 599; (6) Z.frater- 

 culus, p. 599; (7) Akodon chapmani, p. 600; (8) Rhipidomys quindianus, p. 600; (9) R. 

 caucensis, p. 601; (10) R. Venezuelan yuruanus, p. 601; (11) R. milleri, p. 602; (12) CEcomys 

 mincse, p. 603; (13) (E. caicarae, p. 603. 



249. Catalogue of Mammals of Western Europe. < Science, N. S., XXXVIII, No. 



970, pp. 159-162, Aug. 1, 1913. 



Review of Gerrit S. Miller's work of this title (8vo, British Museum, 1912). 



250. Ontogenetic and other Variations in Muskoxen, with a systematic Review 



of the Muskox Group, recent and extinct. < Mem. Amer. Mus. Nat. Hist., 

 New Series, I, Pt. 4, 1913, pp. 101-226, pll. xi-xviii, 1 map, and 45 text figs., 

 March, 1913. 



Ontogenesis of the horns, teeth, skull and pelage, pp. 107-143; individual differentiation 

 as indicated by the skull, pp. .143-157; systematic review, including historical summary, 

 pp. 157-160; geographic distribution, past and present, pp. 160-164; classification and re- 

 lationship, 164-171; Ovibos, characters, alleged species and subspecies, pp. 171-179; geo- 

 graphic variation, pp. 179-180; synopsis of species and subspecies, pp. 180-182; systematic 

 description, habits, and distribution: Ovibos moschalus moschatus, pp. 183-189; O. m. niphaz- 

 cus, pp. 189-191; O. m. wardi, pp. 191-201; O. yukonensis (extinct), pp. 201-203; O. pallantis 

 (extinct), pp. 203-205; extermination, pp. 205-207; Muskoxen in Zoological Gardens, pp. 

 207-208; Bootherium, pp. 209-213; Symbos, pp. 213-215; Liops, p. 216; bibliography, 

 pp. 221-226. 



Plates xi-xv, O. m. wardi as follows: pi. xi, horncores; pi. xii, transverse sections of 

 horncores; pi. xiii, longitudinal sections of horncores; pi. xiv, sections of horncores; pi. xv, 

 maxillary toothrow at different ages; pi. xvi, mandibular toothrow at different ages. Plates 

 xvii and xviii, skull of Symbos cavifrons. 



Text figures 1-26, skulls and dentition of 0. m. wardi from foetal age to senescence; text 

 fig. 27, map of distribution, present and recent, of Muskoxen in North America and Green- 

 land; text figs. 28-31, skulls of O. m. moschalus and O. m. wardi; text figs. 32-36, mounted 

 specimens of same; text figs. 38-44, photographs of calves of O. m. wardi in New York Zoologi- 

 cal Park; text fig. 45, type skull of Bootherium bombifrons. 



251. Shall the Walrus become Extinct? < Amer. Mus. Journ., XIII, pp. 38-42, 



Jan., 1913. With illustrations. 



Comment on its unrestricted destruction and need of international restriction for its 

 preservation. 



