GENUS GKAMPUtS. 



125 



lucbes. 



Hoight of body at same poiut 3. 5 



Leijirtli of ej'e 75 



Width of spouthole 1.87 



Exteusion of white area posterior to the auus G. 5 



Length of white area along the hclly 18. 



Width of head at corner of the mouth 5. 5 



Depth of body 24 inches anterior to the flukes (at which point the keels are 



widest) in. 



Depth 8 inches anterior to flukes 7. f) 



Navel to anterior end of genital slit 7. 5 



Measurements of two skulls of riiocwna clallii. 



Measurements. 



Total length 



Leuf;tli of beak 



Ijieadlli of beak at base of notches 



Breadth of beak at its middle 



Bread 111 of iiiteiniaxillaries at same ])oint 



Greatest bioadth between outei' margins of intermaxillaries 



proximally 



Leu.nth of tooth-Hue 



Last too'h to base of maxillary notch 



Tip of beak to anterior maigiii superior nasal opening 



Tip r>f beak to end of crest of pterygoid 



Breadth between orbital processes of frontal 



Bri^adth between hinder margins of temporal fossiB 



Length of temj^oral fossa 



Uepth of temporal fossa 



Total length of mandible .. 



Length of symphysis of mandible 



Length of tooth row of mandible 



Depth between angle and coronoid process 



Number of teeth 



jSTo. 21762 



P. dallii; 



Adakh Id., 



Alaska. 



Typo. 



Cm. 

 33. .3 

 14.0 

 9.5 

 5.7 

 3.5 



5.1 



12.7 



2.2 



17.8 



21.3 



10.5 



10. 2 



5.0 



2.0 



25.5 



3.8 



12. 2 



5.7 



C23-23 



< 27-27 



No. 225C6 

 P. dallii; 

 ITonnyali 

 Siund, 

 Alaska. 



Cm- 



Shi 

 12.6 

 9.8 

 0.1 

 3.2 



CO 

 11.9 



1.7 

 17.2 

 ?I9. :( 

 Hi, 5 

 17.2 



4.9 



3.0 

 24.0 



3.8 

 11.2 



6.3 

 C 28-27 

 < 24-25 



14. (GRAMPUS Gray. 



Grampus, Gray, Spic. Zool., 1828, p. 2; Zool. Erebus & Terror, 184(5, p. 30. 

 GEAMPUS GEISEUS (Cuvier). 



Delpliinus griseus, Cuvier, Ann. Mus., .xix, 1812, p. 14, pi. 1, fig. 1. 



Delphinus Eissoanus, Desniarest, Mannnalogie, 1822, p. 519. 



Grampus Cnvieri, Gray, Ann. Nat. Hist., 17, 184G, p. 85. 



Grampus Souvcrhiaiius, Fischer, Act. Linn. Soc. Bordeaux, xxxv, 1881, p. 210. 



Grampus sakamala, Gray, Zool. Erebus & Terror, 184G, p. 31. 



Grampus Slearnsii, Dall, Proc. California Acad. Sci., v, 1813, p. 13. 



Glohiocephalus Bissii, Anon., Chinese Eepos., vi, 1838, p. 411-414. 



Glohiocephalus Chinensis. Graj, Cat. Seals and Whales, 18G6, p. 323. 



M. Fischer* and Professor Flower f having discussed at length the 

 question of the identity of G. griseus and G. Rissoanus, and having 

 reached the conclusion that no distinction is to be made between the two 

 nominal species, it is unnecessary for me to repeat the arguments, since 



'Fischer, Act. Linn. Soc, Bordeaux, xxxv, 1881, p. 195, et seq. 

 t Flower, Trans. Zool. Soc, London, viii, 1872, pp. 1-21, pis. 1,2. 



