CENTENNIAL EXPOSITION AT CINCINNATI. 
879 
f artificial propagation of the shad, and models and other rep- 
ions of fishways or fish-ladders for assisting anadromous fish in 
reaching their spawning grounds at the headwaters of streams in which 
artificial obstructions are placed. Many living specimens and casts of 
fishes which had been artificially hatched and raised were exhibited. 
The fisheries section embraced the following : 
(1) Objects of fisheries, such as marine mammalia, reptiles, batra- 
chians, fishes, and mollusks. The former were shown by casts, paint, 
ings, photographs, lithographs, etc.; the reptiles and batrachians by 
living specimens, illustrations, etc.; the fishes by living specimens, 
casts, color sketches, etc., and the mollusks by living and dried speci- 
mens of the more important species. 
(2) Series of large maps showing distribution of the most valuable 
species of fish and mollusks used for food and bait in the northwestern 
Atlantic, from Cape Hatteras to Labrador. 
(3) Models, photographs, and illustrations of the various kinds of 
American fishing vessels and fishing boats, embracing an historical 
series of models. 
(4) Photographs showing process of net making and mending. 
(5) Charts of North Atlantic fishing-grounds. 
(6) Illustrations of economic condition of fishermen, embracing pho- 
tographs of fishermen, views in and about fishing towns and harbors, 
fishermens’ dwellings and boarding houses ; also dwellings of fishery 
capitalists who were formerly fishermen. 
(7) Methods of fishing in the following branches illustrated by pho- 
tographs, lithographs, and sketches : 
(a) Pur-seal fishery ; ( b ) whale fishery ; (c) Beluga or white-whale 
fishery; (d) blackfish fishery; (e) porpoise fishery ;.(/) terrapin fish- 
ery; (g) flounder fishery; (h) halibut fishery; (i) cod fishery; (j) 
mackerel fishery ; (k) bluefisli fishery ; ( l ) smelt fishery; (m) white-fish 
fishery; (n) salmon fishery; (o) shad fishery; (p) herring fishery; (q) 
eulachon fishery ; (r) menhaden fishery ; (s) dogfish fishery ; (t) market 
fishery ; (u) oyster fishery ; (a) clam fishery ; (w) crab fishery ; (a?) lob- 
ster fishery ; (y) sponge fishery. 
(8) The statistics of the fisheries of the United States were shown on 
a large map. 
The aquarial display included numerous kinds of fresh- water fishes, 
among which were the following that had been artificially hatched and 
raised : 
Rainbow trout ( Salmo irideus ). 
Brook trout (S. fontinalis). 
Brown or You Belir trout ( S . fario). 
Loch Leven trout ( S . levenensis). 
Scale, leather, and mirror carp ( C-yprinus 
carpio). 
Paradise fish ( Mactopodus venusius). 
Golden ide (Idus ain'citus). 
Besides these there were many varieties of goldfish. In addition to 
the fishes, the aquaria contained numerous species of fresh-water shells 
md aquatic plants ; also soft-shelled turtles, etc., which have been, to 
