578 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [40] 



[II. — The raising of trout— Continued. 



12. More extepsive arrangements for raising trout : 



a. Circumstances under which they are made ; if the object is to stock a large 



area of water, or if a large sale of eggs is looked for. 



b. Principal ideas which should guide persons in arranging a large establish- 



ment. 



c. The batching house; conditions of soil and abundant supply of water, with a 



good fall. Essential characteristics of the hatching house: Protection against 

 Frost, sufficient light, so the eggs can be properly taken care of, close prox- 

 imity to the dwelling of the inspector. 



cl. Samples of hatching troughs adapted to largo establishments; Williamson 

 troughs. 



e. Apparatus for filtration and aeration. 



/. Packing and shipping of embryonated trout egtrs. 



13. Hints on the raising of other species of salmonoids; where are such fish raised .' 



a. liaising of Thymdlliu vexillifcr. 



b. Raising of Salvelinus. 



c. Raising of salmon. 



IV.— -Conclusion. 



a. Brief review of legislation relative to the lish in question. 



b. Advantages of large fishery associations. 



c. Exhortation to found small fishery associations. 



(/. The German Fishery Association, and its influence. 



V. — Financial statement op the Huningen establishment 

 from April 1, 1884, to March 31, 1885. 



INCOME. 



From the German ministry of agriculture for placing young salmon (one 



million) in the Rhino $5,497.80 



Sale of embryonated eggs of salmonoids : 



(a) To Germans : 1,904.00 



(b) To foreigners 357. 00 



Sale of embryonated eggs of Coregoni 71. 40 



Sale of carp. 714.00 



Sale of ice and reeds 238. 00 



Reimbursements for packing 2.8.00 



9, 020. 20 



EXPENSES. 



Salary of d i rector, besides lodging 856. 80 



Two keepers, besides lodging 456.96 



Secretary and treasurer 471. 24 



Wages of workmen - 714. 00 



Traveling expenses of director 380. 80 



Rent (ground rent) 499.80 



Purchase of eggs of salmonoids and fish, 2, 380. 00 



Food offish 476.00 



Packing eggs 238. 00 



Library and experiments 142. 80 



Maintaining and improving ponds, &c 052.00 



Maintaining and improving buildings 357. HO 



Unforeseen expenses 142. 80 



For new constructions 052. 00 



9, 020. 20 



Brescia, June 21, 1885. 



