OCR Text |
Show 1885.] DR. ST. G. MIVART ON THE PINNIPEDIA. 499 northern and six southern species. In the Arctic and North Temperate zones we have all the species of Phoca ; Monachus in the Mediterranean ; Cystophora in the North Atlantic ; and Phoca and two species of Otaries in the North Pacific. In the Indian Ocean we have one species of Macrorhinus. At the Cape of Good Hope we have an Otary. Two other Otaries are found about Australia and New Zealand. On the coast of Central America we have an Otary and Macrorhinus, while two other Otaries frequent the coasts of South America, and one inhabits the xlucklands. In the Southern and Antarctic Seas we have the two species of Stenorhynchus, with Leptonyx, Ommatophoca, a Macrorhinus, and an Otary. A few species range over both the New and Old Worlds, in the Arctic region, and the opposite coasts of the North Atlantic and Pacific Oceans. Length of cervical region.. dorsal region „ lumbar region .. ,, sacrum ,, caudal region .. Length from atlas to end of sacrum Phoca vitulina. Length of pectoral limb .. ,, pelvic limb ,, humerus ,, radius ,, femur ,, tibia ,, 3rd metacarpal „ 3rd metatarsal.. ,, 1st metacarpal.. „ 1st metatarsal... ,, 3rd phalanx of 3rd digit (manus) Length of 3rd phalanx of longest digit (manus) ... Length of 3rd phalanx of 3rd digit (pes) Length of 3rd phalanx of longest digit (pes) Basion to premaxilla Length of palate Breadth of palate Greatest breadth of zygo mata Greatest breadth of brain case Narrowestinterorbital space Length from canine to be hind last lower molar .. P. 4 Length of » P- 4 Breadth of Length of„ M. l 2U-5 54-0 22-0 125 135 1090 36 5 56-5 11-0 11*0 10-0 21-7 3-7 51 50 7 4 2-7 (1st) 2*0 4-0 (1st) 200 90 52 12-8 96 1*4 5-6 0-8 0-4 0-7 Stenorhynchus leptonyx. 36 0 145 7-6 194 130 3-7 11-6 1-6 0*9 1*6 Cystophora cristata. 25 5 130 50 215 12-5 40 4-9 0-8 0-5 0-7 Otaria j ub at a. Trichechus. 370 85-0 32-0 17-0 245 1710 87-0 85-0 230 240 17-0 28-0 8-0 10-0 15-0 12-5 30 5-0 (2nd) 35 5-0 (2nd) 320 22-0 60 22-5 102 44 103 0-8 06 0-9 330 95-5 490 220 300 199-5 705 1045 30-5 23-0 24-0 34-5 7-0 11-7 10-0 120 2-7 5-8 (1st) 35 3-3 (5th) 33-0 17-0 6-5 22 7 16-5 7-2 7-8 |