66 APPENDIX TO THE REPORT OF THE SECRETARY. 



smaller ones, will also be exliibited.. The different kinds of oil, sper- 

 maceti, ambergris, sperm-whales' teeth, &c.,wi!l be presented, with their 

 application, such as the purified oils and caudles ; the different uses of 

 the whalebone, for domestic, surgical, or other purposes; the sperm- 

 whale's teeth, as carved into various articles of ornament or utility; the 

 sperm-whale's jaw-bone, as used for knife-handles and. other purposes, 

 &c. There will also be models of whale-ships of different varieties, 

 everything being made to a scale ; a full-sized whale-boat, with all its 

 equipments of harpoons, bomb-lances, spades, lances, lines, tubs, &c., 

 together with small models of the same, and several groups, representing 

 scenes connected with the whale-fishery, as well as several separate 

 drawings made expressly for this exhibition. 



The menhaden-fishery will be exhibited also by figures, photographs, 

 and casts of fish themselves, and by a working-model of the factory in 

 which the fish are steamed and pressed for their oil and scrap, and a 

 model of the Wood's Hole factory, where this menhaden scrap or refuse 

 is converted into an important fertilizer; a model of the establishment 

 where first they are scaled and prepared as sardines; as also the dif- 

 ferent kinds of nets used, with a model of the kind of steamer by which 

 these fish are pursued. The different preparation of the fish will also be 

 shown. 



The oyster industry will be also represented by all the varieties of 

 oysters known on both coasts of the United States, with their trade or 

 local name, with specimens of the animals that prey upon them. This 

 will also embrace specimens of the eastern oyster transported to the 

 western coast as undergoing certain known modifications. The various 

 oyster sloops, rakes, and other devices, will also be shown. 



The other fisheries illustrated will be those of the cod, the mackerel, 

 the herring, shad, salmon, the sponge, coral, &c. 



The fourth division of the fisheries will be the illustrations of pisci- 

 culture or artificial j)ropagati()n. Here will bo shown the models of the 

 United States establishments for securing and hatching the eggs of the 

 salmon and shad ; illustrations of the various boxes, spawning-races, 

 &c., and the fish- ways or fish-ladders, all in full-size representations, or 

 in models. 



The actual process of hatching out the eggs of fish and rearing the 

 young will also be exhibited, in connection with the Agricultural Bureau 

 division of the centennial disjilay. It is exi)ected that for a consider- 

 able part of the time of the exhibition the eggs of the Caliibrnia salmon 

 can be secured, this being a species well suited to illustrate the changes 

 undergone in actual incubation, the egg being as large as a common 

 currant, and permitting the various stages of development to be readily 

 observed. 



In connection with this exhibition of the fisheries, steps have been 

 taken toward securing complete reports of tlie past and present history 

 of many of our important industries. Among them that of the whale- 



