546 MIROUNGA, 
Fic. LXXX. MIROUNGA ANGUSTIROSTRIS. SEA-ELEPHANT. 
incurved; group of bristles over each eye; hind flippers emarginate, 
hairy, without nails. 
Color. Light brown generally, becoming bluish after the hair is 
shed. 
Measurements. Total length, male, 18-20 feet. Female, total 
length, 9 to 1o feet; length of posterior flippers, 1 foot to 1 foot ro 
inches; fore flippers, 1 foot 2 inches to 1 foot 5 inches; tail, 2 feet 
2% inches; tip of nose to corner of mouth, 7% inch. Skull: male; 
occipito-nasal length, 245; Hensel, 282; palatal length, 141; from 
anterior edge of intermaxille to pterygoid hamuli, 205; greatest 
breadth of zygomata, 223; mastoid breadth, 182; length of nasals, 
57; interorbital constriction, 40; greatest width of braincase, 50; 
length of lower jaw, 239; anterior edge of ramus to last molar, 82. 
