2G4 ANIMAL RLSOURC'KS AND FISIIEUIES OF UNITED STATES. 



;}lf^ll-i»0. Di1li>. (Cleansed.) (.S'. tubuUfcra, var. disciformix, Hyatt.) 



I'lDiida Keys and Baliaraas. Isaacs & Co. 

 3192-00. Ditto. (.S". f/oBsypina, D. & M., viu-. hirmita.) Florida Keys and 



lialiaraas. Isaacs &. Co. 

 3197. Ditto. (S. ffossyjri lui , var. dcndntica.) I'lorida Keys and Bahamas. 



Isaacs & Co. 

 3198-3tJ02. Ditto. (S. go88yjnna,\fiT. j^orom.) Florida Keys and Bahamas. 



Isaacs & Co. 



2. Useful as an elastic medium or absorbent: 



3213rt. Sponge prepared for nse as lint in surgery. Wni. B. Moses, Wash- 

 ington, D. C. 



3211. Ditto. For stuffing cushions and packing. Florida. Jas. Richard- 

 son. 



3212fl. Ditto. Prepared for stuffing cushions, mattresses, &c. Florida. 

 Wm. B. Moses, Washington, D. C. 



Injurious : 



1. By destroying oysters : 



3215. Boring sponge {Cliona aulphurca, Vcrrill). Mature form, after oyster- 

 shell has disintegrated. Vineyard Sound, Ikfess. U. S. Fish Com- 

 mission. • 



32979. Boring sponge. Shells ofPoctcn showing ravages. Castine, Me. A. 



R. Crittenden. 



32980. Ditto. Castine, Mo. L. J. Ilcath. 



32820. Ditto. Showing effect on oyster-shell. New York Bay. B. J. M. 



Carley. , 



3147. Ditto. Showing various stages in shell. Shrewsbiuy River, N. J. 

 B. J. M. Carley. 



Rliixopodf^. 



Useful ; the fossil forms being largely employed as a polishing 

 powder under the name of ''Tri])oli" or "infusorial earth"; 

 as a menstruum for uitro-glycorine, in the manufacture of 

 dynamite and other explosives ; and also in the manufac- 

 ture of " stone china" and i)(>ttcry. Tlic valuable quality 

 ill Hourly all cases is the contained silica. 



]\nSCELLANEOt'S niODUCTS OF vS1«:a oil SHORE, NOT OF 

 AN ANIMAL NATUliE. 



Plnnf^: 



a. Lichens: 



29310. Orchilla {llocclla tincloria), in its natural condition a« gathered from 



rocks an<l liranches of plants. West coast of North America. W. 



A. Ross »S: Bro., New York. 

 29313. "Archil liquor," derived from Orchilla, ami extensively used as a dyc- 



stuH". West coast of North America. W. A. ^oss & Bro., Now 



York. • 



