x CONTENTS OF VOLUME IT. 



pp. 449 453. The vertebral arches and the vertebral bodies, pp. 453 461. Cy- 

 clostomata, p. 453. Elasmobranchii, pp. 453 455. Ganoidei, p. 456. Teleostei 

 p. 456. Amphibia, pp. 456 458. Reptilia, pp. 458 459. Aves, pp. 459 460. 

 Mammalia, pp. 460 461. Bibliography of the notochord and vertebral column, 

 pp. 461462. Eibs, pp. 462463. Sternum, pp. 463464. Bibliography of the 

 ribs and sternum, p. 464. 



CHAPTER XIX. THE SKULL. Pp. 4G5 491. 



Preliminary remarks, pp. 465- 466. The cartilaginous cranium, pp. 466 

 471. The parachordals and notochord, pp. 466 468. The trabecula?, pp. 468 



471. The sense capsules, p. 471. The branchial skeleton, pp- 471 486. 



General structure of, pp. 471473. Mandibular and hyoid arches, pp. 479486. 

 Elasmobranchii, pp. 474476. Teleostei, pp. 476478. Amphibia, pp. 479 

 483. Sauropsida, pp. 483 434. Mammalia, pp. 484486. Membrane bones 

 and ossifications Of the cranium, PP- 486 490. Membrane bones, pp. 486 

 489. Ossifications of the cartilaginous cranhim, pp. 489 490. Labial cartilages, 

 pp. 490491. Bibliography of the skull, p. 491. 



CHAPTER XX. PECTORAL AND PELVIC GIRDLES AND THE SKELETON OF THE 

 LIMBS. Pp. 492511. 



The Pectoral girdle, PP. 492497. Pisces, pp. 492493. Amphibia and 

 Amniota, pp. 493 497. Lacertilia, p. 495. Chelonia, p. 495. Aves, pp. 495 

 496. Mammalia, p. 496. Amphibia, pp. 496 497. Bibliography of Pectoral 

 girdle, p. 497. 



The Pelvic girdle, PP- 497499. Pisces, pp. 497498. Amphibia and 

 Amniota, 498 499. Amphibia, pp. 498 499. Lacertilia, p. 499. Mammalia, 

 p. 499. Bibliography of Pelvic girdle, p. 499. Comparison of pectoral and pelvic 

 girdles, p. 500. 



Limbs, PP- 500 511. The piscine fin, pp. 500 508. The cheiropterygium, 

 pp. 508 511. Bibliography of limbs, p. 511. 



CHAPTER XXI. THE BODY CAVITY, THE VASCULAR SYSTEM AND THE VASCU- 

 LAR GLANDS. Pp. 512 549. 



The body cavity, pp. 512519. General, pp. 512513. Chordata, pp. 513 

 519. Abdominal pores, pp. 514 515. Pericardia! cavities, pleural cavities and 

 diaphragm, pp. 515 519. Bibliography of body cavity, p. 519. 



The vascular System, PP. 519547. General, pp. 513520. The heart, 

 pp. 520529. Bibliography of the heart, p. 529. Arterial system, pp. 529535. 

 Bibliography of the arterial system, p. 535. Venous system, pp. 535 547. Bib- 

 liography of the venous system, p. 547. Lymphatic system and spleen, p. 547. Bib- 

 liography of spleen, p. 547. Suprarenal bodies, pp. 547 549. Bibliography of 

 suprarenal bodies, p. 549. 



CHAPTER XXII. THE MUSCULAR SYSTEM. Pp. 550 560. 



Evolution of muscle-cells, p. 550. Voluntary muscular system of the Chor- 

 data, pp. 551 560. Muscular fibres, p. 551. Muscular system of the trunk and 

 limbs, pp. 551557. The somites ani muscular system of the head, pp. 557 560. 

 Bibliography of the muscular system, p. 560. 



