(V. I'u'iRs, CAL. ACAD. Sci., Vol.. X 



[\'AN DENBURCH] 



PLATE 98 



FIG. 1. Crotalus oreganus, Pacific Rattlesnake 



l.i is (!:it<is. Santa Clara County, California. Head showing fan^x; left fans in sheath. 



Fie. 2. Cfitd/io luraseiisis, San Lucan Diamond Rattlesnake 

 Skull. San .lose del Calio. Lower Califoi-nia. Mexirii. 



Ku.. 3. (.'.rntdiis Iiirasen'ii, S.in Lucan Diamond Ratilcfnake 

 Head from side, life si/e. San .lose del Calm, Lower California, Mexico. Aleoholic specimen. 



