26 ODOB^NUS EOSMARUS ATLANTIC WALRUS. 



ogist, 1871, 2550 (St. George's Bay, Newfoundlaud). Heuglin, Eei- 

 sen uacli demNordpolarmeer, iii, 1874, 43 (habits and distribution). 

 Defrance, Bull. Soc. G6ol., 3 s^r., ii, 1874, 164 (fossil, France). 

 Gulliver, Proc. Zooi. Soc. Lond., 1874, 580 (size of blood-corpus- 

 cles). Feildex, ZoiJlogist, 3d ser., i, 1877, 3C0 (distribution and 

 food). Vak Beneden, Ann. 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. 



Tricheclms longidens, Fremery, Bijdrag tot deNatuurk. Wetensch., vi, 1831, 

 384. 



Tricheclms virginianus, DeKat, Nat. Hist. New York, Zool., 1, 1842, 56, pi. 

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



? Triclicchus duUiis, Stannius, Miiller's Arch, fiir Anat., 1842, 407 (without 

 locality). 



Bosmarus arciicus, Lilljeborg, Fauna ofvers Sveriges och Norges Ryggr., 

 1874, 674. 



Bosmarus tricheclms, Lamont, Seasons with the Sea-horses, 1861, 141, 167 (two 

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



Bosmarus ohesiis, 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). 



Odolenotherium lartetianum, Gratiolet, Bull. Soc. G^ol. de France, 2 s6r., 

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



Odontohcenus rosmarus, Sundevall, Ofver. K. Vet. Akad. Forh., 1859, 441 ; 

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



Odolcenus 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, 1)1. (dentition) ; Ann. and Mag. Nat. Hist., (3), xv, 1865, 355 

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



? Trichecodon huxleyi, Lankester, Quarter. Journ. Geol. Soc. Lond., xxi, 

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



f Triclicchus manatus, Fabricius, Fauna Grcenl., not Bhytina gigas; see 

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



fPhocavrsina, Fabricius, Fauna Grcenl., not Callorhinus ursinus ; seeBEOWN, 

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



Morse; Vache marine; Cheval marine ; Bete d, la grande dent (French). 



Bos marinus, RUYSCH, 1. c. 



Mvalross (Swedish and Danish). 



Havhesi; Hvalrmis (Norwegian). 



Morslc (Lapj)). 



Wallross; Me&rpftrd (German). 



Walrus; Sea Cow; Sea Horse (English). ' 



External Characters. As regards general fornij tlie head, 

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



