356 MANATID*. 



Suborder II. SIRENIA. 



Body rather hairy. 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 n. (pars), Gray, Ann. Phil. 1825. 



(Natantia) Sirenia, lUiffer, Prodr. 139, 1811 ; Brandt, Symb. Sireno- 



hgia, 132, 1846. 

 Sirenia, Gray, Cat. Cetac. B. M. 138 ; P. Z. S. 1864, 247 ; S4lys-Long- 



champs, 1842 ; Sehinsi, Mamm. 491. 

 Mammiferes amphibies (pars), Cwoier, Tab. EUm. 1798; Bum. Z. 



Anal. 1806. 

 Mammalia amphibia (pars), Rafin.- Anal. Nat. 60, 1815. 

 Onguligrades anomaux, Blainv. 1816. 

 Les C6tac^s herbivores, F. Cuv. 1829; 

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



Nat. 1825, 64; Brandt, M4m. Acad. PStersb. 18.33, 103. 

 Cete anomala, Fischer, Syn. Mamm. 1828. 

 Ceti hydrseoglossi, § a, Wagler, N. S. Amph. 32, 1830. 

 Heterodonta, Hydraula, ou Sirenise, Lesson, N. B^g. Anim. 134, 1842. 

 Manatina, Beich. Syn. Mamm. Cetac. 15. 

 Tricheche, Ohen, Lehrb. Nat. 684. 

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



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

 Gravigrades, BlainviUe, Ost^ograph. 

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

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

 Amphibies triremes, Duvemoy, Tab. Anim. Vert&>. 

 SirensB, Miippell, Verz. Senck. Samml. 186, 1845. 

 Quadrupeda, s. Tetrapoda, Nectopoda, et Finnipeda (part.), Q. Fischer, 



Zoognosia, 15. 



Fam. 9. MANATID^. 



Mu2zle bristly ; lips single ; front of upper and lower jaws each 

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

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

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

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

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

 four ceUs, two of them appendaged. 



Sirenia, lUiger, R-odr. Mamm. 181. 



Manatidse et Dugongidae, Gray, L. Med. Hep. xv. 309, 1821 ; Ann. 



Phil. 1825. 

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

 Manatidse (pars), SMys-Longehamps, 1842. 

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

 Sirenia dentigera seu Haliooreae, et Sirenia edentata seu Rhytinise, 



Brandt, Symb. Sirenol. 132, 1846. 

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



Sirenise (pars). Lesson, N. Big. Anim. 154. 



