390
INDEX
,
Birds and F ishes, 58
Circulation of the blood, 127
_
Birkenia, 206
Cladoselache, 203
—
Bitterling, 64, 297
Claspers, 272, 290
‘
Blennies, 8, 26, 238, 342
Climbing Perch, 259
Blind shes, 14, 161
Cling-shes, 270
.
Blood, composition, 23, 132, 297
Cloaca, 123, 124
'
heat, 22
Clupeids, primitive characters, 76,
pressure, 65, 141
80, 82, 89, 100, 208
_
Blood—pressure and migrations, 60
Clupeid type, 209, 227, 229, 235, 249
Bone, 18, 78, 102, 212
.
Cobitidæ, 245
.
Bonito, 5
Cod, 5, 10, 36, 54
'
_S
-'
Bonnet Shark, 263
Cod—liver oil, 126
.,
Bothus, 22, 31, 115
«
,
Cœlacanthidæ, 107, 217, 234
Bottom—sampler, 318
Collichthys, 277
‘
Bow—n, 91, 230
.
-.
.
Coloration, 17, 251
'
Brain of sheS, 168
Colour and adaptations, 20, 166, 252 '
Brain—cells and instincts, 336
,
Colour sense, ._16 5
_
Branchiomyces, 302
Commensalism, 294
f'
.
Breathing valves, 274
Continents, drift of, 220
Breeding habits, 41
_
Continuity of the germplasm, 190 :
British fœshwater shes, 244
Control of movementsand, statocyst,
,
Bubble-nest builders, 3 5 5 ’
,_
98
_
Burbot, 245
'
,
Cor—'ë'gonus, air-bladder, 276
»
.
Butter-sh, 26, 53
_
-
__
"
distribution, 245
__
,
.
_
-
_
_
-
proportion of sexes,. 287 '
‘
'Î
'
'
:
:
Cottus, 26,145, 238, 273
—
CALLIONYMUS, 290
_—
.
Courtship of shes, 292
Capelan, 50, 299 —
.
_
_
Craniata, 69
‘
,
Carangoids, 89, 95, 103, 113, 238
Crossing of species, 289
_
'
Carcharodon, 20 —
CrYStallogobius, 20
__
Carps, 142, 243,245, 278, 282, 313
Ctenodontidæ, 216
__
_
.
_
‘.
Cartilage, 102, 215
Ctenoid scales, 16
.
_
,
"
Cat—shes, 8, 21, 352, 361, 362
_
Cuchia, 275
'
ï
Caudal n, formation, 84
,
,
Curve of probability, 175
_
_'
Causes of _variatiôn,j94, 195 —
Cycloid soàles,‘ 15, 228
,
.
-
Cave—shes, 14, 161
'
'
Cyclostomes, 70,85, 92, 209, 214
,
Centres of geological disturbance,
Cyclopterus, 100, 352
,
,
-
.‘_
‘
226
.
Cyprinidæ,
’
.
',
Cephalaspis,
-:
.
_‘
'
.,
Cyprinodonts, breedihg habits, 43»
Cephalochordata, 69
239
; Ci‘OSSCS,
—
'Ceratias,luminous
:
289 ; di5tribuon, 239 ; food
.
.parasitic males, 296
.
'
313 ; intdligèn0e,‘îä48
Cestracion, 68
_
_
_
.
—
-20“_;— variability of sexes, 286; '
Chalk périod, 217, 224, 231,
_.
_
288
'
'
;
Change of form and structure,?ï89,‘
_,
_
..
,
_
_
_
.
'
_.
,
'
_
98,107
:,
Ü'
…
‘,
'
,
-
in phylogeny, 212…
..
Change of sei—1, 288
_.:_.__._
g ‘Daurade,44 .
‘
Characinidæ
‘
Deep-sea shes,3o, 101, 1.63.
Chars, 2_4S[
‘luminosity, 153
_
:
—
_Î
..
_
Destruction of shes, .Tileslî ad
< ‘
'Capelan;.—z'99' _. .
”
_
’
.
327
.
_
Chromat0phores,17,165
'Detection0ffood,160f
.
.
Chry‘s__ophrys,,44 : ’
Development ofshé‘s,_63 ÿ
',
'
,.
Sns,:84
f
.
.
-
.
C1anon .oâgu‘c». 7—3:>_123 Î
—
’
form and_struçtùré, 98 '
"f
'