DE. J. MUEIE OX THE MANATEE. 27 



Notes on the Bead Specimen, its outward aspects. 



Table of Admeasurements. 



Body generally. inches. 



Extreme length from the snout to the tip of the tail 94'5 



Girth of neck just behind vertex of cranium 34'5 



Girth immediately in front of the pectoral extremities 38'5 



Girtli immediately behind the pectoral extremities , 41"0 



Girth about 4i inches in front of the umbilicus 50'5 



Girth at the umbilicus 51"0 



Girth at the opening of the vulva 41'0 



Girth at the anus 34'0 



The head. 



Extreme length, or distance between the muzzle and occiput .... 15'0 



Girth at the snout, including the lower lip 18'0 



Girth vertically before the eyes, including the lower lip 12'25 



Girth behind, projecting part of lower lip vertical to eyes 236 



Girth middle of head, just anterior to projection of mandible .... 21 '2 



Oral region, or length of the side of the mouth 3'0 



Length of under lip, following tegumentary curve 3'5 



Breadth of chiu, following tegumentary curve 3'0 



Breadth of chin at the angles of the mouth 4"5 



Muzzle and nostrils. 



Measurement of arch over muzzle, covering nostril ll'O 



Nasal orifices, distance behind free end of muzzle 3'5 



Nasal orifices, diameters across and vertically when dilated, about . . . 0'8 



Nasal orifices, distance apart at outer angles 2"0 



The eye. 



Diameter 0'4 



Distance from front of muzzle (outside) 5'7 



Distance from front of muzzle (mesially) 6-0 



Distance from the inner angle of nostril 5'0 



Distance between the eyes at their centres 6'5 



Distant from the angle of the mouth 3'5 



The ear. 



Auditory orifice, distant from posterior angle of eye 6"3 



Auditory orifices, apart from each other, in diameter 11 "0 



Auditoiy orifices, apart from each other, following curve 12'0 



Pectoral extremit}'. 



Distant from the muzzle 16'0 



Distant from the end of the tail (measured from axilla) 73'0 



Roots apart from each other, following curve of back 18'25 



Extreme length of free portion 13'1 



Extreme breadth of free portion 5'0 



VOL. XI. — PAET II. No. 2. — August, J 880. f 



