356 MANATID^. 



Suborder II. SIRENIA. 



Body rather haiiy. Muzzle bristly. Nostrils 2, separate, apical, 

 lunate, valvular. Fore limbs arm-like, clawed ; hinder compressed, 

 expanded, tail-like. Teats 2, pectoral. Teeth of two kinds. 



Cete II. (pars), Gray, Aim. Phil. 1825. 



(Natantia) Sirenia, Illiger, Prodr. 139, 1811 ; Brmidt, Symb. Sireno- 



loqia, 132, 1846. 

 Sirenia, Gray, Cat. Cetac. B. M. 138 ; P. Z. S. 1864, 247 ; Selys-Lmig- 



chamjys, 1842 ; Schinz, Mamm. 491. 

 Mammiferes amphibies (pars), Cuvier, Tab. Elem. 1798; Duin. Z. 



Anal. 1806. 

 Mammalia amphibia (pars), Pajin. Anal. Nat. 60, 1815. 

 Onguligrades anomaux, Blainv. 1816. 

 Les Cetaces herbivores, F. Ciiv. 1829. 

 Cetacea herbivora, Gray, Land. Med. Rep. xv. 309, 1821 ; Latr. Fam. 



Nat. 1825, 64 ; Brandt, Mhn. Acad. Petersh. 1833, 103, 

 Cete anomala, Fischer, Syn. Mamm. 1828. 

 Ceti hydrajoglossi, § a, Wayler, N. S. Amph. 32, 1830. 

 Heterodonta, Hydraula, on Sirenife, Lesson, N. Peg. Anim. 134, 1842. 

 Manatina, Reich. Syn. Mamm. Cetac. 15. 

 Tricheche, Oken, Lehrb. Nat. 684. 

 Pachydeniiata (part), Agassiz, Proc. Boston Soc. N. H. iii. 209, 1850; 



Kneeland, Proc. Amer. Joiirn. Ayr. and Sci. 1851, 42. 

 Gravigrades, Blainville, Osteograph. 

 Phytophaga seu ex spiraculis, J. Brookes, Cat. Mas. 40. 

 Manatidfe seu Mastothoracea, J. Brookes, Cat. Mus. 40. 

 Amphibies triremes, Duvernoy, Tab. Atiitn. Verteb. 

 Sirenaj, Riippell, Verz. Senck. Samml. 186, 1845. 

 Quadrupeda, s. Tetrapoda, Nectopoda, et Pinnipeda (part.), G. Fischer; 



Zoognosia, 15. 



Fam. 9. MANATID^. 



Muzzle bristly ; lips single ; front of upper and lower jaws each 

 covered with a hard, horny, porous, corrugated plate. Cutting-teeth 

 2 or 4 above, large, conical, and exserted, or small, abortive, and 

 early deciduous. Canine none. Grinders |- . |^ to |- . f , tubercular, 

 the front one deciduous. Nostrils 2, separate, lunate, valvular. 

 Eyes small, ears none. Teats 2, pectoral. Stomach divided into 

 four cells, two of them appendaged. 



Sirenia, Illiger, Prodr. Mamm. 181. 



Manatidse et Dugongidse, Gray, L. Med. Rep. xv. 309, 1821 ; Ann. 



Phil. 1825. 

 Trichecus (pars), Cuv. Tab. Elem. 1798. 

 Manatidffi (pars), Selys-LoiK/champs, 1842. 

 Halicoridaj, Gray, Ann. Phil. 1825 ; List Mamm. B. M. 106. 

 Sirenia dentigera seu Halicoreae, et Sirenia edentata seu Rhytinise, 



Brandt, Symb. Sirenol. V',2, 1846. 

 Amphibia tetrapia Odobenia, Amphibia Diopia, Rajm. Anal. Nat. 



60, 1815. 

 Sirenije (pars), Lesson, N. Rhj. Anim. 154. 



