CATALOGUE OF ILLUSTRATIONS OF THE ECONOMICAL INVER- 

 TEBRATES OF THE AMERICAN COASTS. 



AlOLLUSOA. 

 eephalopoda. SQUIDS A>D CUTTLES. 



32905. Sepia " bone,*' or endostemn, iu natural condition. East coast of th& 



United States. Uses : Fed to cage-birds requiring lime. 

 32905rt. Pounce: Powdered sepia-bone; used in rewriting over erasures to- 



prevent blotting, in medicine as an antacid. 

 33005. Cuttle-nsh (Octopus punctatus, Gabb). California to Alaska. Used 



for bait in the cod-nsliery, and by the natives for food. TV. H. 



Ball. 

 25972. Oil of squid (Ommastrephes illeccbrosa). Capt. N. E. Atwood, Prov- 



incetown, 



Moll ii sea gasteropoda. SEA-SNAILS, &c. 

 A. Useful: 



1. Used for food or bait : 



35. Velvet chiton (CryptocltHon steUcri). Alaska to California. Indiai* 



food. TV. H. Ball. 



32886. Coat-of-niail shell (Katlierina tunicala). Alaska to California. Indian 

 food. TV. H. Dall. 



32883. Limpet (Acmwa iestudinalis}. Connecticut to Labrador. TV. H. DalL 

 32904. Western limpet (Acnum pallna). Alaska to California. TV. H. DalL 

 32880. Eockwinkle (Litorina SHltencbrosa). Alaska to Oregon. TV. H. DalL 



32. Periwinkle (Pvrpura canalictilata). Alaska to California. TV. H. 

 Dall. 



32884. Periwinkle (Purpura ostrina). California. TV. H. Dall. 



32903. Periwinkle (Purpura lapillus'). Cape Cod to Labrador. TV. H. DalL 



2. Useful by producing pearl-shell, &c. : 



32830. Turban-shell (Troclnsctts norrissii). California*. H. Hemphill. 

 32832. Top-shell (Pomaulax undosum), in natural state. California. H. 



Hemphill. 



32831. Top-shell, prepared to show pearly layers. California. H. Hemp- 



hill. 

 29301. Manufactured state of various kinds of American pearl-shells derived 



from gasteropods or sea-snails. Furnished by A. B. De Frece & 



Co., 428 Broadway. Xew York. 

 32838. Sea-ears (Haliotis Ifefltdtaftona), affording pearl-shell and food- 



Alaska, J. G. Swan. 



251 



