41. Culturo of rainboiv trout and brook trout In ponds, by Glon 



C» Loach. Bureau of Fisheries, Unitod States Dopartinont 

 of Coimnarca, 1919, 19 pp. 



42. Parasite3 of frosh-Vi-ater fishes. By H. S, Pratt, Bureau of 



Fishorias, United States Dopartmant of Gonmerce, 1919, 8 pp. 



43. Frosh-vj-ater mussels: A valuable national resource vdthout 



sufficlont protection. By H, U, Smith. Bureau of Fishoriea, 

 United States Department of Corninerce, 1919, 5 pp. 



44. Groupers: Fishes you should try, vjith recipes for cooking 



them. By H, F. L'oore. Bureau of Fisheries, United States 

 Departnant of Gormnerce, 1919, 8 pp., 1 fig, 



45. Marked Pacific salmon: Announcement regarding fish expected to 



ratum in 3919 and subsequent years. By Willis H. Rich. 

 Bureau of fisheries, United States Department of Commerce, 

 1919, 12 pp., 11 figs, 



46. Clan resources of the 10,000 Islands, Florida. (Based on 



reports by VV. C. Schroeder.) Bureau of Fisheries, United 

 States Department of Coimnerce, 1920, 5 pp. 



47. The haddock: One of the best salt-wuter fishes, with recipes 



for cooking it. By H, F. Moore. Bureau of Fisheries, 

 United States Department of Commerce, 1920, 8 pp., 1 fig, 



48. Canned salmon: Pink and chum, with 44 recipes. By Henry 



O'Malloy. Bureau of Fisheries, United States Department 

 of Commerce, 1921, 7 pp., 1 fig, 



49. Habits of the mud-puppy Necturus, an enemy of food fishes. 



By A. S, Poarse, Bureau of Fisheries, United States 

 Department of Commerce, 1921, 8 pp,, 1 fig, 



50. Trade in fresh and frozen fishery products and related market 



considerations in Louisville, Ky. By L, T. Hopkinson, 

 Bureau of Fisheries, United States Department of Commerce, 

 1921, 8 pp. 



51. Sources, preparation and properties of some algal gelatines. 



By I. A, Field. Bureau of Fisheries, United States 

 Department of Commerce, 1921, 7 pp, 



52. Trade in fresh and frozen fishery products and related market 



considerations in Pittsburgh, Pa. By L. T. Hopkinson. 

 Bureau of Fisheries, United States Department of Commerce, 

 1921, 9 pp, 



53. Brine freezing of fish. By Harden F. Taylor. Bureau of 



Fisheries, United States Department of Commerce, 1921, 8 pp. 



106 



