358 MANATID^. 



are perfect, as the anterior one on each, side drops out as the new 

 ones are formed behind, and in each of the skulls two hinder on each 

 side are in the process of development. (See also Owen, Cat. Osteol. 

 Mus. CoU. Surg. 478.) 



All the three skeletons received from Du Chaillu had the cervical 

 vertebrae united in their natural situation. There were in each of 

 them only six cervical vertebrae, and not seven, as some authors 

 have stated. 



1. Manatus anstralis. The Manatee. 



Grey-black. Nasal bones distinct, imbedded in the skuU; front 

 of lower jaw flat, with a central conical prominence near the lower 

 edge. Gonyx of lower jaw compressed, bifid. Eibs very thick, 

 solid, circular at the sternal end. 



Manatus, Mondel. Pise. 490 ; Klein, Pise. ii. .32 ; Brisson, M. Anim. 



49,352. 

 Kleiner Manati (Manatus minor ?), Zimmermann, Geog. ii. 426, 388. 

 Lamantin, Condam. Voy, 154 ; Buff on, H. N. xiii. 377, 424, t. 57. 

 Manati, Aldrov. 728 ; Johnston, 223 ; Charhet, O. Z. 159. 

 Manathi, Clusie, Diss. Philolog. 8, 9. 

 Manati seu Vacca marina. Pay, Quad. 193 (skeleton). 

 Taurus marinus, Ant, Herrera, Nov. Ord. 12. 

 Manatus borealis, Fleming, Brit. Anim. 29. 

 Mermaid of Shetland Seas, Edinb. New Phil. Joum. vi. 57, 1829; 



Stewart, Elem. N. Hist. i. 125. 

 Trichechus manatus, Linn. S. JVi i. 49 ; Gmelin, S. N. i. 60 ; Schreber, 



Sdugeth. t. 8, cop. Buffon. 

 Manatus australis, Tilesitis, Jahrb. i.23.;' Ozeretskowskg, Nov. Act. 



Petrop. xiii. 375. t. 13; Fischer, S^.Mamm. 601; Peiehb. Syn. 



Mamm. 16 ; Icon. Cetac. t. 23. f. 72, 73; from Humboldt, Anat. Cetac. 



t. 27, 28, 29 ; Gray, Cat. Cetac. B. M. 1850, 139 ; P. Z. S. 1864, 247 ; 



Ann. Sf Mag. N. H. 1865, 134. 

 Manatus Atlanticus, J. Brookes, Cat. Mus. AQ. 

 Manatus (Trichechus manatus) australis, lUiger, Prodr. 110. 

 Manatus Americanus, Desm. Mamm. 507 ; N. IHct. N. H. xvii. 262. 



t. 96 ; Some, Lectures Comp. Anat. iv. t. 54 ; SchomJmrgh, Peisen 



Brit. Guiana, iii. 786; Castlenau, Peise, 114; Schreber, Sdugeth. 



t. 378, t. 380. f. 1, 2, t. 381. i, 3; Guh-iM, Icon. Mamm. t. 46; 



Lesson, CHac. 63 ; Gosse, Jam. 346 ; Jager, Nova Acta Aead. Leop.- 



Carol. xxvii. 191 ; Vrolik, Bijdr. tot der I)ierkunde, 1851, 53. 

 Manate de I'Or^noque, Humb. ; Wiegm. Arch. 1838, 1. 18. t. 1, 2 



(anatomy). 

 Manatus latirostris, Harlan, Joum. Acad. N. S. Philad. 111. 390, 



1824; Fauna Amer. 277; Fischer, Syh. 502; Peiehb. Syn. Mamm. 



17; Icon. Cetac. t. 23. f. 74; Anat. t. 27. f . ; Wagner, in Schreb. 



Sdugeth. t. 379. t. 381, £ 2, 6. 

 Manatus australis (Surinam), Schlegel, Abhandl. t. 6. f. 3 (old), 4, 6, 6 



(young). 

 Lamantin d'Am^nque, Cuvier, Ann. Mus. xiii. 273. 1. 19. f. 1-4 ; Oss 



Foss. V. 242. 1. 19. f. 2, 3, 9, 10, 11, 14, 15, 16, 17, 18, 19. 

 Jamaica Manatee, Home, Phil: Trans. 1821, 390. t. 

 Guiana Manate, Penn. Quad. ii. 297. 



Manate de Surinam, Kraus, Miiller, Arch. f. Anat. 1858, 390. 

 Manate Glusii and Oronoko Manate, Perni. Quad. ii. 298. 



