130 



CONCHOLOGY. 



4. Genus Cancellaria. PI. XL 



Animal. See Purpura, hereafter. 



8hell. Oval or globular, wrinkled ; spire middling and pointed; 

 aperture wide, ovate, grooved, and sometimes canaliculated ante- 

 riorly ; the right edge concave and trenchant ; the left nearly 

 straight and marked in the middle "with two or three folds ; oper- 

 culum horny. Inhabits the Indian Ocean. One species only 

 is found in America. Forty-nine living species. Twenty fossil. 



Cancellaria crispa. 



C. costifera. 



C. articularis. 



C brevis. 



C. pusilla. 



C. bullata. 



C. tuberculosa. 



C. pulchra. 



C. cancellata. 



C. similis. 



C. chrysostoma. 



C. rugosa. 



C. haemastoma. 



C. rigid a. 



C. costata. 



C. goniostoma. 



C. trigonostoma. 



C. levigata. 



C. spirata. 



C. obliquata. 



C. scalata. 



C. contabulata. 



C crenifera. 



C. scalarina. 



/ 



Cancellaria littoriniformis. 



C. elegans. 



C. asperella. 



C. oblonga. 



C. tesselata. 



C. nodulifera. 



C. cassidiformis. 



C. Australis. 



C. reticulata. - 



C. Candida. 



C. ovata. 



C. Obesa. 



C. acuminata. 



C. solida. 



C. gemmulata. 



C. decussata. 



C. indentata. 



C. alba. 



C. clavatula. 



C. uniplicata. 



C. mitriformis. 



C. tritonis. 



C. granosa. 



C. piscatoria. 



C. buccinoides."* 



5. Genus Fasciolaria. PI. XI. 

 Jinimal. Entirely unknown. 



