346 



INDEX. 



SPAWN, dangers to, 113-123; placing 

 the, no, in ; taking the, 92, 96. 



SPAWNING, age of trout ready for, 

 105 ; apparatus for, 82, 83 ; appear- 

 ance of fish when ready for, 83 ; be- 

 havior offish at time of, 88 ; careful 

 handling offish at time of, 84 ; cap- 

 turing the fish for, 83, 84 ; danger to 

 fish at time of, 87 ; effects of weath- 

 er on, 107, 108 ; handling the fish 

 while, 85-87 ; length of time neces- 

 sary to, 105 ; pans for, i 10 ; perch, 

 317; process of, 85-87; prepara- 

 tions for, 82 ; Russian method, 96 - 

 100 ; spawning in ponds, 109. 



SPAWNING BEDS, Ainsworth's spawn- 

 ing race, 28 ; construction of, 27, 28 ; 

 list of articles necessary at, 275 ; 

 slope and size of raceway, 27. 



STREAMS, avoid overstocking, 216 ; 

 examination of, while hatching, 220, 

 221 ; freshets in, 8, 12, 39; heating 

 of, remedy for, 189, 190. 



STOKER, scientific description of Sal- 

 mo fontinalis, 197 - 200. 



SUFFOCATION, cause of, 190 ; remedy 

 for, 190. 



TABLES, Ainsworth's, periods of 

 hatching, 129; Atkins's, of spawn 

 in different fish, 268 ; including fish 



. not mentioned in other, 268 ; Buck- 

 land's, of spawn in different fish, 

 267 ; of amount of spawn taken at 

 Cold Spring Trout Ponds in one 

 month, 269, 270 ; Coste's, of time of 

 spawning of different fish which re- 

 produce in fresh water, 271 ; Green's, 

 showing number of shad spawn, 

 269 ; of times when it is illegal to 

 take trout in some of the States, 272 ; 

 of time of spawning in Northern 

 New England, 270, 271 ; of number 

 of salmon eggs taken at Mirimichi 

 in 1868, 268. 



TRANSPORTATION AND PACKING OF 



. EGGS, directions to accompany 

 transportation, 133, 134. 



TRICKS with trout, 276 ; at spawning 

 time, 276 ; with birds, 279 ; with 

 eggs of, 278 ; with other fish, 278 ; 

 with muskrats, 279 ; with poachers, 

 280. 



TROUT, age of, 207, 208 ; appetite 

 in summer, 216; at different times 

 of day, 217 , at spawning time, 

 216 ; in winter, 217 , brain of, 205 ; 

 change of color in, 206 ; canni- 

 balism of, 217 ; character of water 

 needful to raising of, 21 ; digestion 



of, 155, 205 ; destructiveness of, 

 26 ; enemies to, 9 ; faultlessness 

 of, 200 ; general remarks on, 200 - 

 204 ; growth as affected by food, 

 207 ; habits of, 204 ; handling care- 

 fully, 222 ; hearing of, 203 ; how 

 often to feed, 217 ; how to screen 

 against loss, 218-224; markings 

 of, 205 ; mischief from not sorting, 

 225 ; natural food for, 205 ; nerves 

 of smell in, 203 ; necessity of watch- 

 fulness of, 6 ; protection against 

 enemies to, 224 - 227 ; protection 

 against cannibalism, 224, 225 ; pas- 

 turing, 220 ; progress of disease, 

 191 ; qualities necessary to raising, 

 5; quantity of food to give, 218; 

 security in raising, 8 ; sources of 

 danger, 8, 9 ; sorting, 223 - 225 ; 

 suited to domestication, 200 ; sensi- 

 tiveness to motion, 201 ; sensitive- 

 ness to color, 202 ; tameness of, 3, 

 4 ; tricks with, 276 ; vision of, 201, 



202. 



TROUT BREEDING, commissary de- 

 partment, 210 ; processes in, 81 ; 

 qualifications for, 81 ; security neces- 

 sary to, 6, 7. 



TROUT-BREEDING ESTABLISHMENT, 

 cost and profits, 245 - 247 ; current 

 expenses, 245 ; list of articles neces- 

 sary for use, 275. 



TROUT CULTURE, Ainsworth's table, 

 247; chances of income, 249-251; 

 Cold Spring Trout Ponds, 250 ; es- 

 timate of expenses and returns, 246 ; 

 pecuniary aspect, 244 ; repetition of 

 cautions, 133 ; sources of revenue, 

 248 - 250. 



UTENSILS necessary at trout-breeding 

 establishment, 275. 



VOGT, M., translation from, by F. W. 



Webber, 308-316. 



VRASSKI, M.. discoveries by, 96 ; ex- 

 . periments, 88, 89. 



WATER, amount of, n ; brook water 

 and spring water compared, 15; 

 brook water advantages, 16 ; char- 

 acter of, 19 ; desirability of fall in, 

 21 ; guard against heating in, 16- 21, 

 217; in nursery, 68; in pond, 69; 

 poisonous qualities in, 14 ; selection 

 of, ii ; temperature of, 13- 16 ; use 

 of ice, 218; suitability of, 14, 15; 

 vigor of, 14 



WATER PLANTS in nursery and ponds, 

 77, 78 ; list of, 274, 275. 



