TABLE OF CONTENTS. 



FISH OlliS, FATS, AND WAXKS. 



Page. 



General review _ 183 



Tbo wliale oils: 



Brief review of whaling industries. . _ 186 



The blubber and its yield of oil ' 189 



Conversion of the bhibbor into oil 193 



Refining sperm oil and whale oil 199 



Porpoise and black-fish oils 204 



Oils from seals, walrus, etc. : 



Seal oils 209 



8ea-eleiihant oil 211 



"Walrus oil _ 214 



Oil from sea-lions and fur-seals 215 



Oils from livers of cod and related species: 



Sources of supply 316 



Description of livers and resulting oils 218 



Preparation of medicinal oil 221 



Production of cun-iers' oil 225 



OiLs from the livers of sharks and related 



species _ 227 



Fisn OILS, KATS, A.vi) w A XEs— Continued. 



Page. 



Menhaden oil 2;J2 



Herring oil 2;i6 



Oil from waste fish 2;?9 



Oil from fish heads 240 



Oil from viscera of fish 241 



Miscellaneous oiLs 242 



Spermaceti refining and manufacture 214 



Ambergris •^i'i 



FEKTIIilZERS. 



General review 253 



The menhaden industry: 



History and extent of the industry . . . 236 



Cooking and pressing the fish 259 



Treatment of the scrap 265 



Fertilizers from fish waste or refuse 269 



Fertilizers from cnistticeans 273 



AgricuUiiral lime from mollusk shells . . . 274 



Seaweeds as fertilizers 275 



178 



