PRODUCTS AND THEIR APPLICATIONS. 91 



27. OILS AND FATS— Continued. 

 h. Bird-oils : 



Goose-oil used by watch-makers, and as an emollient. 



(Oil of guacharo, {Steatornis caripensis,) used in South Amer- 

 ica as food.) 



(Ostrich used for food, and by the Arabs in medicine, and 

 emu-oil used in Australia in medicine.) 



(Oil of penguin, {Biomedea chilensis,) of Falkland Islands, 

 sold in London for currying leather.) 



(Peacock's fat and oil.) 



(Oil of mutton-bird, {Procellaria obscura,) of Bass's Straits, 

 used for lamp-oil illuminating.) 



(Oil of frigate-bird, {Tachypetes aquila,) sometimes used in 

 medicine.) 



Oil of pigeon, {Ectopistes migratorius,) used as food by In- 

 dians and frontiersmen. 



(Fill mar-oil from island of Saint Kilda.) 



c. Eeptile oils : 



Alligator-oil manufactured in Florida. 



(Alligator-oil used by South American Indians, mixed with 



chica pigment for j^ainting their bodies.) 

 Turtle-oil made from turtle-eggs, used in dressing leather 



and in manufacture of soap. 

 Eattlesnake and other snake oils. 



d. Fish-oils : 



Sun-fish oil used by fishermen for cure of rheumatism. 

 Cod-oil, also cod-liver oil used in medicine, as a food and 



emollient, and in lubricating. 

 Hake and haddock liver oil used in adulterating cod-liver oil. 

 (Pollock-oil used by Shetlanders for illumination.) 

 Menhaden-oil used in currying leather, in rope making, for 



lubricating, for adulterating linseed-oil, as a paint-oil, and 



exported to Europe for use in the manufacture of soap and 



for smearing sheep. 

 Herring-oil.^ 

 White-fish oil.^ 

 Sturgeon-oil.^ 



(^NoTE. — These oils, with other oils made from fishes, and a large part of the seal 

 aud " black" whale oil, are known iudiscriniinately as fish-oil and used chiefly for the 

 purposes enumerated under the head of inenhadeu-oil.) 



