order in. Sirenia. Sirenians. 



Family I. II > <l i <<ht ma I i<hi . 

 Genus 13. Hydrodamalis. Son Cows. 



Hydrodamalis Retzius, Kongl. Vetensk. Acad. Nya. Handl. Stock- 

 holm, xv, 1794, p. 292. Type Hydrodamalis stelleri Retzius = 

 Manatus gigas Zimmermann. 



Kytiua Illig., Prodr. Syst. Mamm. et Av., 1811, p. 141. 

 Rhytina Glog.. Hand- u. Hilfsb. Naturg., 1841, pp. xxxiv, 165. 



26. Hydrodamalis gigas (Zimmermann). 



M aiiatns gigas Zimm., Geogr. Gesch., n, 1780, p. 426, fig. 5. 

 Hydrodamalis gigas Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



n, iqoi, p. 5, pi. n. Zool. Ser. 

 STELLKR'S SEA Cow. 



Type locality. Shores of Bering Island, Bering Sea. 

 Geogr. Distr. Bering and Copper Islands, Bering Sea. 



Family II. Tricliecliidie. 3Iaiiatt k t*s. 

 Genus 14. TriHioHius. 



Trichechus Linn., Syst. Nat., i, 1758, p. 34. Type Triclicclnts 



maiiatns Linnasus. 



Maiiatns Briinn., Zool. Fund., 1772, pp. 34, 38, 39. Scopoli, 

 Intr. Hist. Nat., 1777, p. 490. Storr, Prodr. Meth. Mamm., 

 1780, p. 41. 



27. Trichechus manatus Linnaeus. 



Trichechus nianatits Linn., Syst. Nat., i, 1758, p. 34; i, 1766, p. 49. 

 Klliot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, 

 Pt. i, 1^04, p. 37, ti-. XIV, ]>ls. iv, v. Zool. Ser. 

 M diiatns latirostn's Hurl., Journ. Acad. Nat. Scien. Phil., 18^4, 

 ]>. iii. Hlliot. Syn. N. Am. Mamm., F. C. M. Pub., n, 1901, 

 ]). (>, ]1. in. Z<M.]. Ser. 



Mdiiatus aitstralis Tilcsius. Jahrb. Xaturg., I, 1802, p. 23. 

 M aiiatn* anifrit aims Dcsm.. Diet. Hist. Xat., 1817, p. 262, pi. 96. 



(Part.) 



Manatus lln.-iatilis \\'a^n., S'-hn-b. Saugth.. Suppl., 1846, pi. 379. 

 M.\ \.vri i.. Vacca <lc Agua in Guati-mala. 

 lixality. Kast coast of Florida. 

 . Itistr. I ; l<inda coast to Yucatan, Mexico. 



i t 



