138 CETACEA. 
Suborder II. SIRENIA. 
Body rather hairy. Muzzle bristly. Nostrils 2, se para 
apical, lunate, valvular. Fore-limbs arm-like, clawed; hin¢ 
compressed, expanded, tail-like. Teats 2 pectoral. Teeth of t 
kinds. fl 
Cete IT. pars, Gray, Ann. Phil. 1825. 
(Natantia) Sirenia, I/iger, Prod.139,1811; Brandt, Symb. Sires 
logia, 132, 1846. 
Sirenia, Gray ; Selys Longchamps, 1842; Schinz. Mam. ‘1, 
M. Amphibies, pars, Cuvier, Tab. Elem. 1798 : Dum. Z. A, 18€ 
M. Amphibia, pars, Rafin. Anal. Nat. 60, 1815. 
Onguligrades anomaux, Blainv. 1816. 
Les Cétaces Herbivores, F. Cuv. 1829. 
Cetacea herbivora, Gray, Lond. Med. Rep. xv. 309, 1821; 
Fam. Nat. 1825, 64; Brandt. 
Cete A., Fischer, Syn. "1828. 
Ceti hydrzoglossi, § a, Wagler, N. S. Amph. 32, 1830. 
Heterodonta, Hydraula, ou Sireniz, Lesson, N. Reg. Anim. 13: 
1842, 
Manatina, Reich. Syn. Mam. Cetac. 15. 
Silliche, Oken, Lekes. Nat. 684. 
iss 
& 
Fam. 4. MANATID. 
Muzzle bristly ; lips smgle; front of upper and lower j ”. 
each covered with a hard, horny, porous, corrugated plate. Cu 
ting teeth 2 or 4 above, large, conical and exserted, or sm: ; 
abortive, and early deciduous. Canine none. Grinders am 
—%, tubercular, the front one deciduous. Nostrils 2, seps 
lunate, valvular. Eyes small; ears none. Teats 2 pecto. 
Stomach divided into four cells, two of them appendaged. 
Sirenia, Illiger, Prod. Mam. 181. F 
Manatide and Dugongide, Gray, L. Med. Rep. xv. 309, 188 2) 
Ann. Phil. 1825. ¥ 
Trichecus, pars, Cuv. Tab. Elem. 1798. 
Manatide, pars, Selys Longchamps, 1842. 
Halicoride, Gray, Ann. Phil. 1825; List Mam. B. M. 106. 
Sirenia dentigera seu Halicorez, and Sirenia edentata seu 7 n 
tinie, Brandt, Symb. Sirenol. 132, 1846. ‘ed 
Amphibia tetrapia Odobenia, Amphibia Diopia, Rafin. Anal. Ne 
60, 1815. , 
Sirenize, pars, Lesson, N. Reg. Anim. 154. a 
Manatina, Reichb. Syn. Man. 15. 
