366 



INDEX. 



SPAWNING, age of trout ready for, 118 ; 

 apparatus for, 94 ; appearance of fish 

 when ready for, 95 ; behavior offish 

 at time of, 99 ; handling of fish at 

 time of, 97 ; capturing the fish for, 

 95 ; danger to fish at time of, 99 ; 

 effects of weather on, 119 ; length of 

 time necessary to, 117; pans for, 

 122; perch, 336; process of, 97; 

 preparations for, 94 ; Russian meth- 

 od, 104 ; spawning in ponds, 121. 



SPAWNING BEDS, Ainsworth's spawn- 

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

 list of articles necessary at, 295 ; 

 slope and siz^ of raceway, 27. 



STREAMS, avoid overstocking, 238 ; 

 examination of, while hatching, 132 ; 

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

 remedy for, 206, 240. 



STOKER, scientific description of Salmo 

 fontinalis, 215. 



SUFFOCATION, cause of, 207 ; remedy 

 for, 207. 



TABLES, Ainsworth's, periods of 

 hatching, 141 ; Atkins's, of spawn 

 in different fish, 288 ; including fish 

 not mentioned in other. 288 ; Buck- 

 land's, of spawn in different fish, 

 287 : of amount of spawn taken at 

 Cold Spring Trout Ponds in one 

 month, 289 ; Coste's, of time of 

 spawning of different fish which re- 

 produce in freshwater, 291 ; Green's, 

 showing number of shad spawn, 

 289 ; of times when it is illegal to 

 take trout in some of the States, 292 ; 

 of time of spawning in Northern 

 New England, 290 ; of number of 

 salmon eggs taken at Mirimichi 

 in 1868, 288. 



TRANSPORTATION AND PACKING OF 

 EGGS, directions to accompany 

 transportation, 146. 



TRICKS with trout, 296 ; with birds, 

 299 ; with eggs of trout, 298 ; with 

 other fish, 298 ; with muskrats, 299 ; 

 with poachers, 300. 



TROUT, age of, 226 ; appetite in sum- 

 mer, 234 ; at different times of day, 

 235 ; at spawning time, 235 ; in 

 winter, 235 ; brain of, 223 ; change 

 of color in, 224 ; cannibalism of, 242 ; 

 character of water needful to raising 

 of, 1 8, 2i ; digestion of, 172, 223 ; 

 destructiveness of, 26 ; diseases of, 

 193 ; enemies to, 9 ; faultlessness 

 of, 218 ; general remarks on, 218 ; 

 growth as affected by food, 225 ; 



habits of, 222 ; handling carefully, 



241 ; hearing of, 220 ; how often to 

 feed, 236; how to screen against 

 loss, 237 ; markings of, 224 ; mis- 

 chief from not sorting, 242 ; natural 

 food for, 224 ; nerves of smell in, 

 222 ; necessity of watchfulness of, 6; 

 protection against enemies to, 245 ; 

 protection against cannibalism, 235, 



242 ; pasturing, 238 ; qualities neces- 

 sary to raising, 5 ; quantity of food 

 to give, 236 ; security in raising, 8 ; 

 sources of danger, 8, 9 ; sorting, 

 241 ; suited to domestication, 218 ; 

 sensitiveness to motion, 219 ; sensi- 

 tiveness to color, 219 ; lameness of, 

 3, 4; tricks with, 296; vision of, 219. 



TROUT BREEDING, commissary de- 

 partment, 228 ; processes in, 93 ; 

 qualifications for, 93 ; security neces- 

 sary to, 6, 7. 



TROUT-BREEDING ESTABLISHMENT, 

 cost and profits, 263 ; current ex- 

 penses, 264 ; list of articles necessary 

 for use, 295. 



TROUT CULTURE, Ainsworth's table, 

 266 ; estimate of expenses and re- 

 turns, 266 ; pecuniary aspect, 263 ; 

 repetition of cautions, 145 ; sources 

 of revenue, 266. 



UTENSILS necessary at trout-breeding 

 establishment, 295. 



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

 Webber, 328. 



VRASSKI, M-, discoveries by, 108 ; ex- 

 periments, too. 



WATER, amount of, n ; brook water 

 and spring water compared, 15 ; 

 brook water advantages, 16 ; char- 

 acter of, ii ; desirability of fall in, 

 21 ; guard against heating in, 12, 

 239; in nursery, 80; in pond, 18; 

 poisonous qualities in, 14 ; selection 

 of, ii ; temperature of, 12; use of 

 ice, 239, 240; vigor of, 13. 



WATER PLANTS in nursery and ponds, 

 90 ; list of, 294. 



YOUNG FRY, advantages of boxes in 

 rearing, 83; care of, "en route," 

 209, 2ii ; care of, 161 ; counting, 

 210 ; comparison between boxes and 

 ponds in rearing, 81 ; causes of 

 death, 190, 194 ; danger of crowding, 

 187 ; danger in ponds, 82; in rear- 

 ing boxes, 81 ; delicacy of, 161 ; di- 



