XX 
Fig. 
226. 
227. 
228, 
229. 
230. 
231. 
232. 
233. 
234. 
235. 
236. 
237. 
238. 
239. 
240, 
244. 
247. 
248. 
253- 
254. 
. Diagram of 
. Ventral View of Male- 
LIST OF ILLUSTRATIONS. 
Page 
Jaws and Teeth of (A) Male 
and (B) Female Skate ai BE 
Diagram of Arterial System of 
a Skate .. 316 
Diagram of the Venous System 
of a Skate : 
Male Urogenital Organs of a 
Skate .. 
The Ear (Membranous Laby- 
rinth) of the Skate .. 
Dorsal View of Cranium of a 
Skate 324 
Lateral View of Skull of Skate 
Dorsal View of Pectoral Girdle 
and Fin of the Skate 327 
Dorsal View of Pelvic Girdle 
and Fins of the Skate «. 328 
Lateral View of the Haddock 
Dissection of Haddock from 
the Left Side .. 333 
Lateral View of Cod’s Skull : 
The Right Pectoral Fin and 
Girdle of the Cod with both 
Pelvic Fins _ .. : 
The Common Frog 338 
Diagram of Venous System of 
a Frog 4I 
3 
‘ Ventral View of the Female 
Urogenital Organs of a Frog 343 
. Diagram of Arterial System of 
aFrog .. aa i ae 34a 
the Truncus 
Arteriosus of a Frog’s Heart 345 
Dorsal View of Brain of Frog 346 
. Ventral View of Frog’s Skull 348 
. Dorsal View of Frog’s Skull .. 348 
Dorsal View of Entire Frog’s 
Skeleton. 349 
Pectoral Girdle of Rana 351 
. Fore-limb of Rana... 351 
. Pelvic Girdle of Rana .. 352 
. Hind-limb of Rana... 5 52 
252. 
3 
Three Stages in Development 
of Frog’s Egg 354 
Sections of Frog Embryos a 355 
The Structure of Frog’s 
Embryo and Tadpole 356 
. Young Tadpole distected from 
the Ventral Side 357 
. The Life History of the Com- 
mon Frog = 358 
. View of Respiratory Organs of 
the Pigeon é 362 
. Ventral View of the Sas 
System of the Pigeon 
. Ventral View of the ‘Arterial ” 
System of the Pigeon 367 
Uro- 
genital Organs of the Pigeon 368 
. A Cervical Vertebra of the 
Pigeon .. . 3 
. Latera! View “of Cervical 
Vertebra of the Pigeon . 370 
. A Rib of the Pigeon + 370 
Fig. 
264. 
265. 
266. 
267. 
268. 
269. 
270. 
271. 
290. 
. Transverse 
. Lateral View of a Lumbar 
. Four Shanes in the Develop- 
. Diagram of the Vertebrate Eye 
Page 
Ventral View of Sternum of 
the Pigeon 372 
The Pectoral Girdle “of the 
Pigeon 372 
The : Skeleton of a Bird's Wing 373 
Left Leg of the Pigeon 374 
Lateral View of Pelvis of the 
Pigeon . 374 
Diagram of a Fowl'’s ‘Egg at 
Laying .. 375 
Three Consecutive Stages of 
the Blastoderm of a Chick in 
Early Stages of Incubation 376 
Section through a Chick’s Egg 
at Various Stages 377 
. View of the Area Pellucida of 
a Chick’s Blastoderm of about 
‘18 Hours 78 
3 
. View of Chick’s Blastoderm 
about 24 Hours 378 
. Cross-section through a Blasto- 
derm of about 24 Hours - 379 
Section of an 
oa Chick of the Second 
379 
‘ ‘Diasraii of Developing Chick 380 
. Permanent Dentition of the 
Hare 384 
. Female Urogenital Organs of 
the Rabbit a 389 
. Rabbit’s Brain .. 391 
. A Median Longitudinal Section 
through the Rabbit’s Brain .. 392 
. Lateral View of Skull of the 
Rabbit .. ++ 394 
. Posterior View of Atlas Ver- 
tebra of Rabbit at 305 
. Lateral View of Axis Vertebra 
of Rabbit oo 395 
. Anterior View of a Cervical 
Vertebra of Rabbit .. ++ 3905 
. Lateral View of Thoracic Ver- 
tebra of Rabbit — 396 
. Anterior View of a Lumbar 
Vertebra of Rabbit .. 
Vertebra_of Rabbit 396 
. Pectoral Girdle and Fore-limb 
of the Rabbit .. 07 
3 
. Dorsal View of Left Manus of 
Rabbit . 398 
Bones of Pelvic Girdle and 
Hind-Limb of Rabbit ++ 399 
. Dorsal View of Left Pes of the 
Rabbit 
ment of the Vertebrate Brain 406 
. Diagram of the Vertebrate 
Brain... 407 
. Diagrammatic Median’ Section 
through a Vertebrate Brain 
. Three Stages in the Develop- 
ment of the Vertebrate Eye 
409 
