The Pelvic girdle, pp. [606]-608. Pisces, pp. [606], [607]. Amphibia and Amniota, pp. [606], 607. Amphibia, p. [607]. Lacertilia, p. [607]. Mammalia, p. [608]. Bibliography of Pelvic girdle, p. [608]. Comparison of pectoral and pelvic girdles, pp. [608], [609].
Limbs, pp. [609]-622. The piscine fin, pp. [609]-618. The cheiropterygium, pp. [618]-622. Bibliography of limbs, p. [622].
Chapter XXI. The Body Cavity, the Vascular System and the Vascular Glands. Pp. [623]-666.
The body cavity, pp. [623]-632. General, pp. [623], [624]. Chordata, pp. [624]-632. Abdominal pores, pp. [626], [627]. Pericardial cavities, pleural cavities and diaphragm, pp. [627]-632. Bibliography of body cavity, p. [632].
The vascular system, pp. [632]-663. General, pp. [632], [633]. The heart, pp. [633]-643. Bibliography of the heart, p. [643]. Arterial system, pp. [643]-651. Bibliography of the arterial system, p. [651]. Venous system, pp. [651]-663. Bibliography of the venous system, p. [663]. Lymphatic system and spleen, p. [664]. Bibliography of spleen, p. [664]. Suprarenal bodies, pp. [664]-666. Bibliography of suprarenal bodies, p. [666].
Chapter XXII. The Muscular System. Pp. [667]-679.
Evolution of muscle-cells, pp. [667], [668]. Voluntary muscular system of the Chordata, pp. [668]-679. Muscular fibres, pp. [668], [669]. Muscular system of the trunk and limbs, pp. [673]-676. The somites and muscular system of the head, pp. [676]-679. Bibliography of muscular system, p. [679].
Chapter XXIII. Excretory organs. Pp. [680]-740.
Platyelminthes, pp. [680], [681]. Mollusca, pp. [681], [682]. Polyzoa, pp. [682], [683]. Branchiopoda, p. [683]. Chætopoda, pp. [683]-686. Gephyrea, pp. [686], [687]. Discophora, pp. [687], [688]. Arthropoda, pp. [688], [689]. Nematoda, p. [689]. Excretory organs and generative ducts of the Craniata, pp. [689]-737. General, pp. [689], [690]. Elasmobranchii, pp. [690]-699. Cyclostomata, pp. [700], [701]. Teleostei, pp. [701]-704. Ganoidei, pp. [704]-707. Dipnoi, p. [707]. Amphibia, pp. [707]-713. Amniota, pp. [713]-727. General conclusions and summary, pp. [728]-737. Pronephros, pp. [728], [729]. Mesonephros, pp. [729]-732. Genital ducts, pp. [732]-736. Metanephros, pp. [736], [737]. Comparison of the excretory organs of the Chordata and Invertebrata, pp. [737], [738]. Bibliography of Excretory organs, pp. [738]-740.
Chapter XXIV. Generative Organs and Genital Ducts. Pp. [741]-753.