ANIMAL RESOURCES AND FISHERIES OF UNITED STATES. 229 



Derived from insects. 



Canadian cochineal. 



(Kermes and other cochineals of commerce, Coccus ilicis.) 



Lac dye and lac lake, from Coccus lacca, C.polonicus, C. uva-ursij and 



Ophisfabce. 



Dye prepared from bed-bug (Cimex lectularius). 

 (Dye prepared from Trombidium, in Guinea and Surinam.) 

 Xut-galls produced by insects, and used in tanning for black dyes, 

 for woolen cloth, silk, and calico, and in manufacture of ink and 

 gallic and pyrogallic acid, employed in photography. 



Derived from mollusks. 1 



(Sepia from Sepia officinalis.) 



Purple dyes from gasteropods, Murar, Purpura, &c. 



Purple dyes from ntidibranch mollusks. 



30. CHEMICAL PRODUCTS AND AGENTS EMPLOYED IN ARTS AND MEDI- 

 CINES. 



Derived from mammals. 



Secretion of skunk. 



Album grcecum of dogs used as a depilatory in tanning hides. 



Albumen of blood, employed in sugar-refineries, in certain cements 

 and pigments, and as an antidote and emollient. 



Dung, used in calico-printing. 



Gall of animals, used in mixing colors, in fixing the lines of crayon 

 and pencil drawings, in preparing the surface of ivory for paint- 

 ing, in removing grease, and in medicine. 



Pepsin e and pancreatin, prepared from stomach of hogs and calves. 



26796. Saccharated pepsin. John Wyeth & Bro., Philadelphia. 



26795. Pancreatin, saccharated. " " 



25964. Saccharine pepsin. E. Schaffer, Louisville, Ky. 



25963. Dry pepsin (concentrated). E. Schaffer, Louisville, Ky. 



25962. Pure pepsin. E. Schaffer, Louisville, Ky. 



29262. Acid phospho-lactate or milk-phosphate. Prepared directly from 



milk, by Gail Borden & Co. New York Condensed Milk Company, 



Xew York. 



Derived from insects. 



Coccinella, used as remedy for toothache. 



(Trehala, made from nests of beetles (Larinas nidificans), of East 



Indies, and used for a substitute for tapioca.) 

 Formic acid. 

 Carbazotic acid and its derivatives, made from sewing-silk scraps, 



and used as a substitute for quinine. 



1 See in Part II of the present catalogue. 



