194 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
DR. J. MURIE ON THE FORM AND STRUCTURE OF THE MANATEE. 
DESCRIPTION OF THE PLATES. 
PLATE XVII. 
. Lateral view of the body of the young male Surinam Manatee (Manatus 
americanus, Cuv.) forwarded to the Society by Herr A. Kappler. Photo- 
graphed from the dead body, § natural size. ‘The tail is seen, not in profile, 
but slightly tilted towards the observer. , nasal orifice of the right side ; 
c, tail-cleft. 
. Abdominal surface of the same animal, also from a photograph: u, umbilical 
cicatrix ; p, external orifice of the penis; @, anus. 
PLATE XVIII. 
. Dorsal aspect of the body, the pectoral limbs (as in fig. 2) being outstretched. 
+ the size of nature, and from a photograph. 1, nares; e@, eye. 
. Pectoral limb of the left side, seen on its external surface, photographed its 
natural dimensions. J, J/, III, first, second, and third digital nails. 
PLATE XIX. 
. Head and neck, as far as the shoulder, of the same young male Manatus. 
From a photograph, corresponding as near as possible to the natural size of 
the animal. x, left nose-opening; ea, ear-hole, or orifice of auditory canal. 
PLATE XX. 
. Front, and consequently fore-shortened view of the head, body, and pectoral 
extremities of the above specimen. Reduced in size from nature. The 
body lying on a table while being photographed has necessarily slightly 
flattened the chest. ¢, eye; m, narial orifice. 
. Muzzle with the mouth opened, from a photograph, of the natural size, 
showing :—nn, narial orifices; also the upper and lower lips (outer), the 
palatal or upper pad, and the mandibular or lower pad (=the additional 
labial masses, or inner, extra upper, and lower lips of some writers). 
PLATE XXI. 
. Side view of the female Manatee, + natural size, with skin and subcutaneous 
fat removed, exposing the superficial muscular layers. The broad tail, con- 
sisting of fibroid and dermal tissues, is necessarily absent. 
