CONIDEA. 181 



C. OVULATA, Lam. PL 59, figs. 57, 58. 



Shell covered with fine revolving striae ; dark chocolate-color 

 irregularly spotted, clouded or strigated with white. 



Length, 12-15 mill. 



West Indies, on pieces of madrepore, stony ground, 



1 to 2 feet water. 



Many specimens are proportionally narrower than my figure ; 

 I have also before me a narrow variety (C. ovuloittea, C. B. Ad., 

 fig. 58), in which the color is light chestnut, the white markings 

 usually including an irregular central band. 



C. OBTUSA, Sowb. PI. 59, figs. 59, 60. 



Shell oblong-cylindrical, with an obtuse but sharp-pointed 

 spire, smooth ; roseate or yellowish with chestnut spots or zigzag 

 lines ; sometimes chestnut, with zigzag lines and reticulations of 

 yellowish white ; epidermis thin, translucent, finely ridged ; 

 interior of aperture violet or purple. Length, 12-16 mill. 



Viti and other Polynesian Islands. 



C. MARMOBATA, Gray. PI. 59, figs. 61, 62. 



Shell fulvous orange, with irregular white markings. 

 Length, 11-14 mill. . 



South Australia (Angas); Philippines (Curaing); 



Viti Islands (Garrett). 



Distinguished .from the last species at once by its ''form and 

 more simple coloring. 



C. DORMITOR, Sowb. PI. 59, fig. 63. 



Shell closely marked by revolving striae ; violaceous, under a 

 smooth, semitransparent chestnut epidermis. Length, 8 mill. 



West Indies. 

 C. EGERr'A, Duclos. PL 59, fig. 64. 



Shell yellowish, clouded with light chestnut ; body-whorl some- 

 what folded on the back, beneath the suture. Length, 13 mill. 



Habitat unknown. 

 C. TRINGA, Lam. PL 59, figs. 65, 66. 



Oblong, cylindrical, smooth, under a very thin epidermis ; 

 white, with chocolate spots and stripes, usually arranged in a 

 zigzag longitudinal manner. Length, -7-1 inch. 



New Caledonia; Viti Islands; Japan. 



A minor variety of this species, the adults not exceeding -7 



