GENERAL INDEX. 
443 
Page. 
Lobster, copulation 318 
cracker claw 264, 266 
cyclical changes in ovary 291 
death causes in artificially reared larvae 349 
decline of fishery 367 
defensive mutilation 281 
development 320 
Crustacea 162 
great forceps 266 
ovary 290 
diseases and fatalities 217 
disturbances in cyclical changes of ovary 292 
economic importance 169 
edible parts 214 
egg-fixation theories 308 
egg glue 306 
egg laying 305 
egg-laying preparations 3°3 
eggs, attachment to body 305 
arrangement and distribution 305 
fixation 306 
number produced 298 
frequency of spawning 295 
eighth and later stages 346 
embryo 3 22 
enemies 215 
eyes 232 
family life in crayfish 167 
fertilization 315 
fifth stage 342 
first larva 3 2 9 
fisheries, apparatus 173 
decline 367 
history and importance 170 
food and preying habits 185 
food of artificially reared larvae 349 
forceps, development 266 
413 days old 347 
fourth stage 340 
gastroliths or stomach stones 208 
geographical range 170 
giants 194 
gills 246 
great chelipeds 254 
great forceps 253 
growth, duration of stages 359 
conditions 359 
rate and age at maturity 360 
rate, variation 358 
habits of adolescents 346 
habits and instincts of adult 177 
hardening of new shell 211 
hatching process 327 
heart 243 
impregnation 318 
influence of light and nocturnal habits 183 
instincts and intelligence 188 
internal skeleton and head 220 
kidney or green gland 252 
larva, first stage 329 
first stage, color 331 
first stage, habits 332 
first stage, structure 332 
food 335 
Page. 
Lobster, larva, second stage 33 7 
larva, third stage 338 
larval and later development, significant facts 350 
life rate, or law of survival 375 
limits of breeding season 294 
liver 251 
lock hinges of big claws 255 
male sexual organs 312 
maturity 360 
messmates and parasites 215 
migratory instincts 180 
molting 200 
hammer claw in snapping shrimp 207 
molting act 204 
periods, conditions, and significance 201 
withdrawal of big claws 206 
monstrosities 285 
mouth parts 227 
muscles 241 
natural history of Crustacea 155 
new shell, hardening 21 1 
optimum temperature 182 
oviduct and its periodic changes 307 
pairing habits 302 
parasites and messmates 215 
pericardial sinus 243 
period of adult life 293 
peripheral stomato-gastric system 231 
preparation for egg-laying 303 
propagation 379 
protection \ . 367 
berried lobsters 370 
closed seasons 370 
gauge law 371 
problem 369 
problem, how met 369 
recommendations 382 
regeneration of lost parts 283 
respiration 247 
reproduction 288 
ripe ovary 289 
seminal receptacle, copulation and impregnation 318 
sense organs 232 
sense of taste, touch, and smell 236 
sensory hairs 234 
setae as related to hatching and molting 235 
seventh stage 344 
sexual distinctions 288 
sexual maturity 293 
sixth stage 344 
size attained 194 
skeleton before molting 207 
skin and shell at molting 200 
slender legs 229 
sperm cells, origin and structure 312 
statocysts 238 
survival of young 375 
symmetry in big claws 275 
teeth of claw 260 
toothed claw and periodic teeth 260 
torsion of limb 257 
touch, taste, and smell 236 
transportation to markets 176 
variation in position of greater forceps 274 
