CYPR^EA. 187 



sometimes smoky and spotted with blackish brown ; base white ; 

 teeth strong. Length, '8-1-2 inches. 



Mazatlan Panama. 

 C. UNDATA, Lam. PI. 16, fig. 33. 



Rich plum to chestnut, ornamented with two or more zigzag 

 zones of white ; sides and base white, dotted with brown ; 

 anterior extremity edged dark chestnut. 



Length, '65-1 '2 inches. 



Philippines, Mauritius. 

 C. ZIGZAG, Linn. PL 15, figs. 12, 13. 



Whitish, ornamented with longitudinal zigzag yellow lines, 

 sides and base yellow, spotted with reddish brown, the spots 

 forming a circle around the posterior extremity. 



Length, '55-1 inch. 



Mozambique, Ceylon. 



There is a variety of this well-known species in which the 

 zigzag lines resolve themselves into distinct bands. 



C. LUTEA, Gronovius. PL 16, figs. 35, 36. 



Yellowish or brownish, profusely dotted with brown ; base 

 somewhat like that of C. ziczac. Length, '15-1 inch. 



New Caledonia, Australia. 



Younger shell olive-brown, faintly spotted, with two narrow 

 milky blue zones. The fully matured shell was named C. 

 Humphreysi by Dr. Gray. 



C. ASELLUS, Linn. PL 16, fig. 34. 



Ivory-white, ornamented with three broad bands of reddish or 

 chocolafe-brown ; sides and base white. Length, -55-1 inch. 



Australia, Samoa, Red Sea (?). 



The young shell is entirely encircled by the characteristic 

 dark bands. 



C. CLANDESTINA, Linn. PL 16, figs. 37-40, 61. 



Pinkish cream to pale bluish, faintly banded, ornamented with 

 extremely faint reddish-brown hair-lines, converging here and 

 there to a point ; sides and base white ; teeth strong. 



Length, '5-'75 inch. 



Ceylon, Japan, Australia. 



C. Candida, Pease (figs. 39, 40), is a pure white variety. C. 



