Volume 1 — CONTENTS OF VOLUME I.
Reading edition
Introduction. Pp. 1‑16.
Chapter I. The Ovum and Spermatozoon.
General history of the Ovum, pp. 17‑25. Special history of the Ovum in different types, pp. 26‑65. The Spermatozoon, pp. 65‑67.
Chapter II. The Maturation and Impregnation of the Ovum.
Maturation of the Ovum, and formation of the polar bodies, pp. 68‑79. Impregnation of the Ovum, pp. 79‑86. Summary, p. 86.
Chapter III. The Segmentation of the Ovum.
Internal phenomena of Segmentation, pp. 88‑92. External features of Segmentation, pp. 92‑122.
Introduction to Systematic Embryology. Pp. 125‑130.
Chapter IV. Dicyemidæ and Orthonectidæ. Pp. 131‑137.
Chapter V. Porifera. Pp. 138‑151.
Chapter VI. Cœlenterata.
Hydrozoa, pp. 152‑167. Actinozoa, pp. 167‑173. Ctenophora, pp. 173‑178. Summary, etc., pp. 178‑182. Alternations of generations, pp. 182‑187.
Chapter VII. Platyelminthes.
Turbellaria, pp. 189‑196. Nemertea, pp. 196‑204. Trematoda, pp. 205‑210. Cestoda, pp. 210‑218.
Chapter VIII. Rotifera. Pp. 221‑224.
Chapter IX. Mollusca.
Formation of the layers and larval characters, pp. 225‑273. Gasteropoda and Pteropoda, pp. 225‑242. Cephalopoda, pp. 242‑254. Polyplacophora, pp. 254‑257. Scaphopoda, pp. 257, 258. Lamellibranchiata, pp. 258‑269. General review of Molluscan Larvæ, pp. 270‑273. Development of organs, pp. 273‑288.
Chapter X. Polyzoa.
Entoprocta, pp. 292‑297. Ectoprocta, pp. 297‑305. Summary and general considerations, pp. 305‑308.
Chapter XI. Brachiopoda.
Development of the layers, pp. 311‑313. The history of the larva, pp. 313‑317. Development of organs, p. 317. General observations on the affinities of the Brachiopoda, pp. 317, 318.
Chapter XII. Chætopoda.
Formation of the germinal layers, pp. 319‑325. The larval form, pp. 325‑338. Formation of organs, pp. 338‑342. Alternations of generations, pp. 342, 343.
Chapter XIII. Discophora.
Formation of layers, pp. 347‑350. History of larva, pp. 351‑354.
Chapter XIV. Gephyrea.
Gephyrea nuda, pp. 355‑361. Gephyrea tubicola, pp. 361‑364. General considerations, p. 364.
Chapter XV.
Chætognatha, pp. 366‑369. Myzostomea, pp. 369, 370. Gastrotricha, p. 370.
Chapter XVI.
Nematelminthes, pp. 370‑379. Acanthocephala, pp. 379‑381.
Chapter XVII. Tracheata.
Prototracheata, pp. 382‑387. Myriapoda, pp. 387‑395. Insecta, pp. 395‑429. Embryonic membranes and the formation of the layers, pp. 400‑406. Formation of the organs, pp. 406‑417. Special types of larvæ, pp. 417‑419. Metamorphosis and heterogamy, pp. 420‑429. Arachnida, pp. 431‑455. Formation of the layers and general development, pp. 431‑446. Formation of the organs, pp. 446‑455. Formation of the layers and embryonic envelopes in the Tracheata, pp. 456‑458.
Chapter XVIII. Crustacea.
History of larval forms, pp. 459‑511. Branchiopoda, pp. 459‑465. Malacostraca, pp. 465‑487. Copepoda, pp. 487‑492. Cirripedia, pp. 492‑500. Ostracoda, pp. 500‑502. Phylogeny of the Crustacea, pp. 502‑511. The formation of the germinal layers, pp. 511‑521. Comparative development of organs, pp. 521‑529.
Chapter XIX.
Pœcilopoda, pp. 534‑538. Pycnogonida, pp. 538, 539. Pentastomida, pp. 539‑541. Tardigrada, p. 541. Summary of Arthropodan Development, pp. 541‑543.
Chapter XX. Echinodermata.
Development of the germinal layers, pp. 544‑553. Development of the larval appendages and metamorphosis, pp. 553‑573. Summary and general considerations, pp. 573‑576.
Chapter XXI. Enteropneusta. Pp. 579‑583.
Index. Pp. 584‑590.
Appendix.