APPENDIX 



Rostrum of skull long, narrow and remarkably arched. 

 Vertebral formula: cervicals 7, dorsals 12, lumbars 14, 

 caudals 22. Total, 55. Habitat: Arctic waters only; not 

 found in Antarctic. 



CALIFORNIA GRAY WHALE, DEVILFISH 

 Rhachianectes glaucus (Cope) 



Form robust. Upper jaw moderately arched. Two to 

 four furrows on throat. No dorsal fin. The color is black, 

 or very dark slate, thickly marked about the snout, lips, 

 chin and jaws with white flecks and small spots. On the 

 sides, breast and belly are many roughly elliptical, irregular 

 grayish markings and white circular spots which are ap- 

 parently the scars left by barnacles. The amount of white 

 varies greatly with individuals, but is seldom entirely absent. 

 The pectoral fins and flukes are black on both surfaces, 

 with scattered white spots and circles. Average size, 40 

 feet; maximum size, 49 feet. 



Skull with a broad strip of frontal exposed upon the ver- 

 tex. Nasals very long and broad. Cervical vertebrae all free. 

 Anterior ribs with tubercles, necks and heads. Vertebral 

 formula: cervicals 7, dorsals 14, lumbars 12, caudals 23. 

 Total, 56. Habitat: North Pacific Ocean only. 



SPERM WHALE, CACHALOT 

 Physeter macrocephalus ( Linn. ) 



Size large and form massive. Head blunt. A single 

 S-shaped blowhole at the end of the snout. Forty to 50 teeth 

 in lower jaw. No functional teeth in upper jaw. A promi- 

 nent "hump" on the back. 



The color is slate gray, with some white about the lower 

 jaw and snout, which is crossed in every direction by long 

 white lines (scars). White or gray patches are usually 

 found about the umbilicus. Greatest length, 70 feet. 



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