CATALOGUE OF ILLUSTRATIONS OF THE ECONOMICAL INVER- 

 TEBRATES OF THE AMERICAN COASTS. 



mollusc: A. 

 IVIollii^ca cephalopofla. — Squids and cuttles. 



32905. iSeiiia " bone," or cudostcnm, in uatural condition. East coast of tho- 



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

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



prevent blotting, in medicine as an antacid. 

 33005. Cuttle-tish {Octopus jiH;K'/rtY«s, Gabb). California to Alaska. Used 



for bait in the cod-fishery, and by the natives for food. W. H. 



Dall. 

 25972. Oil of S(iuid {0)nm(istre2)hcs iUccchrosa). Capt. N. E. Atwood, Prov- 



incetown, Mass. 



Iflollii^ca g'aNtei'opoda. — Sea-snails, &c. 



A. Useful: 



1. Used for food or bait : 



32885. Velvet chiton {Cri/jitocliilini stcIUri). Alaska to California. Indian 



food. W. H. Dall. 



32886. Coat-of-mail shell (Kathcrhut lioiicdla). Alaska to California. Indian 



food. W. H. Dall. 



32883. Limpet (Acmwa tcstutlinalis). Connecticnt to Labrador. "\V. H. Dall. 

 32904. AVestern limpet (Acnuta pdliiia). Alaska to California. "W. H. Dall. 

 32880. Rockwinkle(ii7on'?(«.sH/-/<»(7^)-osrt). Alaska to Oregon. AV. H. Dall. 

 32882. Periwinkle {Purpura cavulUulaia). Alaska to Calilbrnin. W. H. 



Dall. 



32884. Periwinkle (ri«rj>i/}V( os/r(»fl). CalilV)rnia. W. H. Dall. 



32903. Periwinkle {Purpura JapiUvs). Cape Cod to L.-lbrador. W. II. Dall. 



2. Usefid by produciiiij;' i)earl-slioll, iki\: 



32830. Turban-shell (Tror/n'.v(((.s )(on'(.s«»i)- California. 11. Hemphill. 

 32832. Top-shell {Pomauhix undosuiu), in natural state. California. H. 



Hemphill. 



32831. Top-shell, jircparcd to show pearly layers. Calilbrnia. II. Hemp- 



hill. 

 2930L Manufactured state of various kinds of Anurii an pearl-shells derived 



from gastcropods or sea-snails. Fnriiisbcd by A. B. De Frece & 



Co., 428 Broadway, Now York. 

 32838. Sea-ears {IlalioitH Kavxhailaua), iiflording pearl-shell and food.. 



Alaska. J. G. Swan. 



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