GGO 



INDEX. 



B. 



Basal plate of the placenta uterina, 



262. 



Basilar plate. 60(>. 

 Bell's law, 460. 



Belly-stalk of human embryo, 245. 

 Between-brain, 425. 



vesicle, 422, 431. 

 Bile-duct, 329. 

 Blastoderm. 67. 



Blastodermic vesicle, 224 .$<? Blastula. 

 Blastopore, 85, 96, 104, 282. 

 Blastosphere, 68. 

 Blastospheric ccelom, 204. 

 Blastula, 68, 100, 92, 90, 88, 224. 

 Blood, formation of, 170, 175. 

 Blood-circulation, single, 557. 



- double, 557, 586. 

 Blood-corpuscles, embryonic, 183. 

 Blood-islands, 179, 183, 551. 

 Blood-points, 183. 

 Blood-vessel system, 542. 

 Blood-vessels, formation of, 186, 175. 

 Body, form of the, 194. 



- of Amphioxus and Amphibia, 195. 



- of Fishes, Reptiles, and Birds, 197. 

 Body of vertebra, 598. 

 Bone-nuclei see Centres of ossifica- 

 tion. 



Bony labyrinth,' 502. 



- tissue, 541. 



Bowman's capsule of urinary tubules, 



364. 



Box- withi n-box theory, 23. 

 Brain, 421. 

 Brain-fissure, anterior. 431. 



- posterior, 429. 

 Brain-plate, 457. 

 Brain-sand, 436. 

 Brain- vesicles, 421. 



- first, 439. 



second, 431. 



third, 430. 



- fourth, 429. 



- fifth, 427. 

 Branchial arches, 286, 609. 



arteries, 286, 571. 



- clefts, 285. 



- furrows, 286. 

 leaflets, 287, 571. 



- veins, 287, 571. 

 Branchiomeres, 351. 

 Branchiomerism, 633. 

 Bursa omentalis, 300, 303. 



C. 



Calcar avis, 441. 

 Canalis auricular! s, 555. 



Canalis hyaloideus, 475. 



- incisivus, 517. 



- neurentericus of Amphibia. 120. 



- neurentericus of Amphioxus. 110. 



- neurentericus of Birds, Reptiles, 



etc., 126. 417. 



neurentericus of Mammals, 129, 



282, 293. 



- reuniens, 497. 



- utriculo-saccularis. 497. 

 Cardiac endothelium, source of. 175, 



544. 



Cardinal veins, 577. 

 Carpal bones. 641. 

 Cartilaginous tissue, 540. 

 Caruncula lacrymalis, 487. 

 Cauda equina, 421. 

 Caudal fold, 200. 



gut, 292. 



- sheath, 209. 

 Cavum tympani. 507. 

 Cella media, 443. 

 Cell-budding, 31. 



Cell-patches (chorionic epithelium), 



261. 

 Central canal of the spinal cord, 419. 



furrow of the cerebrum. 447. 



- lobe of hemispheres, 442. 

 Centres of ossification, 643, 599. 

 Centrolecithal eggs, 12. 

 Centrosomes, 53. 



Cephalic curvature, 284. 



- elevation, 202. 



- flexure, 423. 



- process see Head-process. 



- see also Head. 

 Cerebellum, 430. 



vesicle of, 422. 

 Cerebral mantle, 426. 



- vesicle, 422. 



- vesicles see Brain-vesicles. 

 Cervical cavity, 546, 566. 



- fistula, 290. 



ribs, 602. 



- sinus, 289. 

 vertebrte, 602. 



Chalaza, 18. 



Chief germ, 189. 



Chorda dorsalis, 110, 593. 



- fundament of, 110, 117. 



- tympani, 508, 621. 

 Chordal canal, 132. 



- groove of Amphibia, 119. 



- groove of Amphioxus, 111. 



- groove of Birds, Selachians, Mam- 



mals, 130, 131. 



- sheath, 594. 



- sheath, skeletogenous, 595. 

 Choriocapillaris, 482. 

 Chorlon. 9. 



