26 ODOBJ3NUS ROSMARUS ATLANTIC WALEUS. 



ogist, 1871, 2550 (St. George's Bay, Newfoundland). HEUGLIN, Rei- 

 sennacli dem Nordpolarnieer, iii, 1874, 43 (habits and distribution). 

 DEFRANCE, Bull. Soc. G6ol., 3 e se'r., ii, 1874, 164 (fossil, France). 

 GULLIVER, Proc. Zob'l. Soc. Lond., 1874, 580 (size of blood-corpus- 

 cles). FEILDEN, Zoologist, 3d ser., i, 1877, 360 (distribution and 

 food). VAN BEXEDEN, Aim. Mus. Roy. d'Hist. Nat. Belgique, i, 

 1877, 39 (distribution, general habits, and fossil remains). RINK, 

 Danish Greenland, its People and its Products, 1877, 126. 



Triclicclnts longidens, FEEMERY, Bijdrag tot deNatuurk. Wetensch., vi, 1831, 

 384. 



Triclicchus vlrginianus, DEKAY, Nat. Hist. New York, Zool., i, 1842, 56, pi. 

 xix, figs. 1, a, b (fossil, Accomac Co., Va.). 



f Trichcclius duUus, STANNIUS, Miiller's Arch, fiir Anat., 1842, 407 (without 

 locality). 



Eosmarus arciicus, LILLJEBORG, Fauna ofvers Sveriges och Norges Ryggr., 

 1874, 674. 



Eosmarus trichechus, LAMONT, Seasons with the Sea-horses, 1861, 141, 167 (two 

 plates). GILL, Johnson's New Univ. Cyclop., iii, 1877, 633. 



Eosmarus obesus, GILL, Proc. Essex Inst., v, 1866, 13 (in part only) ; Interna- 

 tional Exhib. 1876, Anim. Resources U. S., No. 2, 1876, 4 (Atlantic 

 Walrus; no description); Johnson's New Univ. Cycl., iii, 1877, 

 1725. PACKARD, Proc. Bost. Soc. Nat. Hist., x, 1866, 271; Mem. 

 Bost. Soc. Nat. Hist., i, 1867, 246 (fossil). LEIDY, Journ. Acad. Nat. 

 Sci. Phila., viii, 1877, 214, pi. xxx, fig. 6 (fossil, South Carolina). 



Odobenotherium larleilanum, GRATIOLET, Bull. Soc. G6ol. de France, 2 e se'r., 

 xv, 1858, 624, pi. v (fossil, near Paris, France). 



Odontobainus rosmarus, SUNDEVALL, Ofver. K. Vet. Akad. Forh., 1859,441; 

 Zeitsch. Gesammt. Naturw. Halle, xv, 1860, 270. 



Odobcenus rosmarus, MALMGREN, Ofver. K. Vet. Akad. Forh. 1863, (1864), 130 

 (food and habits), 505, pi. vii (dentition) ; Wiegmann's Archiv f. 

 Naturgeschichte, 1864, 67 (translated from Ofvers. K. Vet. Akad. 

 Forh., 1863, 130 et seq.). PETERS, Monatsb. Akad. Wiss. Berlin, 1864, 

 685, pi. (dentition) ; Ann. and Mag. Nat. Hist., (3), xv, 1865, 355 

 (abstract). RINK, Danish Greenland, 1877, 430. 



f Trichccodon liuxleyi, LANKESTER, Quarter. Journ. Geol. Soc. Lond., xxi, 

 1865, 226, pis. x, xi (fossil; Red Crag, England). 



f Trichechus manatus, FABRICIUS, Fauna Grceiil., not Rhytina gigas; see 

 BROWN, Proc. Zool. Soc. Lond., 1868, 357, 358. 



fPlioca ursina, FABRICIUS, Fauna Groenl., not CallwTiinus ursinus; see BROWN, 

 Proc. Zool. Soc. Lond., 1868, 357, 348. 



Morse; Vache marine; Clieval marine ; Bete a la grande dent (French). 



Bos marimts, RUYSCH, 1. c. 



Hvalross (Swedish and Danish). 



Havhest; Hvalruus (Norwegian). 



Morslc (Lapp). 



Wallross; Meerpferd (German). 

 Walrus; Sea Coiv; Sea Horse (English). 



EXTERNAL, CHARACTERS. As regards general form, the head, 

 in comparison with the size of the body, is rather small, squar- 



