86 UNIVALVES CONUS. 



nulatus, &c. which are covered with granulated trans- 

 verse striae, and even globular tubercles. 



The colors and markings of the Cones are extreme- 

 ly beautiful, and much diversified: in some species they 

 are elegantly disposed in dots, stripes, bands, and reti- 

 culations; and in others, delicately blended in cloud- 

 ings, veins, and marbling. 



The most beautiful and rare species of this genus are 

 the C. gloria-maris, C. cedo-nulli, C. thomae, the varie- 

 ties of C. ammiralis, C. aurisiacus and others, which vary 

 in value from five to twenty guineas. 



The Conus derives its name from the resemblance 

 which its species bear to the form of a Cone (Kwvoc) 



The greater number of species come from the Indian 

 Ocean; some are found on the shores of Africa and 

 America, and others in the South Seas. 



Division I.—Spire mhtruncated. 



Family 1. — Spire coronated. 



Scientific Name. Locaiity. Common Name. 

 Marmoreus East and West Indies, Asi- 

 atic Ocean Marbled Cone • • 



Nocturnus Amboyna, Moluccas • • • Night do • • 



Nicobaricus East Indian Seas Nicobar • • do • • 



Aiachnoideus • • • Coromandel, Tranquebar Spider-web do • • 



Zonatus - • Asiatic Ocean Zoned • • • • do • • 



Imperialis Amboyna, So. Seas, Mau- 

 ritius Imperial • • do • • 



Fuscatus SoutJi Seas, Mauritius, 



Tranquebar Clouded • do • • 



Candidus White do • • 



