668 



INDEX. 



Primitive segments of the trunk, 342. 



— spermatic cells, 374, 382. 



— streak, 121, 133, 135, 282— «ee also 



Blastopore. 

 Primordial bones, 615. 



— bones, enumeration of, 619. 



— cranium, 605. 



— cranium, cartilaginous, 595, 607. 



— cranium, chord al. 607. 



— cranium, evertebral, 607. 



— cranium, membranous, 59.5, 605. 



— cranium, prechordal, 607. 



— cranium, vertebral, 607. 

 Principles of development, 76. 

 Proamnion, 230. 



Processus ciliares, 479. 



— pinealis, 432. 



— styloideus of petrosal, 613. 



— styloideus of radius and ulna, 644. 



— vaginalis peritonei, 391, 396. 

 Prochorion, 224. 



Pronephric duct, 358, 359. 

 Pronephron, 353. 

 Pronucleus, 32. 



— female, 32 — gee also Egg -nucleus. 



— male, 40— «ee also Sperm-nucleus. 

 Prostata, 402. 



Prostate gland, 402. 

 Protoplasmic radiation, 40, 51. 

 Protovertebrse, 162, 598 — see also Pji- 



mitive segments. 

 Ptervgoid process of sphenoid, 619. 

 Pubio bone, 639. 

 Pi'lmonary alveoli, 323. 



— artery, 564. 

 PupU, 478. 



S. 



Kadiations of protoplasm, 40, 51. 



Eadius, 64. 



Eathke's pocket, 285, 437. 



— pouch, 285, 437. 



— trabeculse cranii, 606. 

 Eauber's layer, 102. 

 Eeceptive elevation, 39. 

 Eecessus labyrinthi, 493. 

 Regio olfactoria, 515. 



— respiratoiia, 515. 

 Reichert's cartilage, 613. 

 Re-segmentation of vertebral column, 



598. 

 Reserve material, 21. 

 Eete testis, 384. 

 Retina, 480. 

 Ribs, 600. 

 Ring-lobe, 442. 

 Roots of attachment of the chorion, 



260. 

 Round ligament, ?86. 



Rusconian anus, 88. 



— digestive cavity, 88. 



S. 



Sacculug, 496. 

 Sacral ribs, 602. 

 Sacrum, 602. 

 Salivary glands, 305. 

 Scala tympani, 506. 



— vestibuli, 506. 

 Scapula, 638. 

 Sohizoooel, 108. 

 Sclerotica, 471. 

 Sclerotome, 172, 348, 362. 

 Scrotum, 392, 402. 

 Sebaceous glands, 528. 

 Seessel's pocket, 594. 

 Segmental theory of skull, 631. 

 Segmentation — see Cleavage. 

 Sella turcica, 438, 607. 

 Semicircular canals, bony, 503. 



— membranous, 494. 

 Semilunar valves, 564. 

 Seminal ampnllse, 383. 



— mother-cells, 383. 



— tubules, 384. 



— see also Spermatic. 

 Septa placeutse, 262. 

 Septum atriorum, 558. 



— transversum, 567, 577. 



— ventriculorum, 560. 



Sexual cords of the mesonephros. 381- 

 383, 404. 



— eminence, 398. 



— folds, 400. 



— glands — see Sexual organs. 



— groove, 400. 



— organs, 374. 



— organs, external, 397. 



— part of mesonephros, 387, 394. 



— ridge, 399. 



Sheath of the root of hair, 525. 

 Shell of Hen's egg, 17. 

 Shell-membrane, 17. 

 Shoulder-blade, 638. 

 Shoulder-girdle, 638. 

 Sinus cervicalis (precervicalis), 289. 



— coronarius, 565, 581. 



— ethmoidales, 518. 



— frontales, 518. 



— genitalis, 396. 



— occipitales, 518. 



— prostaticus, 389. 



— reuniens, 558. 



— sphenoidales, 518. 



— superior of vertical semicircular 



canals, 496. 



— termiualis, 184,549. 



— urogenitalis, 398. 



