xlii CONTENTS. 



CHArTEK IX. 



TEGUMENTARY SYSTEM OF II^MATOCHYA. 



SECTION PAGE 



98. Composition of Tegument ,"> i.> 



99. Teguments of Fishes 546 



100. Teguments of Keptiles 550 



CHAPTER X. 

 PECULIAR AND DUCTLESS GLANDS AND REPRODUCIBLE PARTS. 



101. Scent-glands of Eeptiles 562 



102. Poison-glands of Reptiles ......... 563 



103. Thyroid body or gland of Hsematocrya ....... 564 



104. Thymus body or gland of Reptiles ....... 565 



105. Reproducible parts in Hsematocrya ....... 566 



CHAPTER XI. 

 GENERATIVE SYSTEM OF HJEMATOCRYA. 



106. Male organs of Fishes 568 



107. Female organs of Fishes 571 



108. Male organs of Batrachians 576 



109. Male organs of Reptiles 579 



110. Female organs of Batrachians and Reptiles ...... 583 



CHAPTER XII. 

 GENERATIVE PRODUCTS AND DEVELOPMENT OF ILEMATOCRYA. 



111. Semination of Hsematocrya 589 



112. Ovulation in osseous Fishes and Batrachians ..... 592 



113. Ovulation in cartilaginous Fishes and scaled Reptiles . . . . 597 



114. Fecundation in Fishes 599 



115. Development of Fishes .......... 601 



116. Growth and nests of Fishes ......... 611 



117. Fecundation in Reptiles ......... 614 



118. Oviposition in Reptiles ......... 616 



119. Development of Batrachians . . . . . . . . . 619 



120. Development of Reptiles 630 



ERRATA. 



Below Cuts 134, 135, 136, 137, for ' xxxm.,' read ' xxiu ' 



Page 396, eight lines from top, /or ' premaxillary,' read ' vomerine.' 



,, 448, eighteen lines from top, /or ' timical,' read ' tumid.' 



,, 512, eleven lines from bottom, transpose ' fig. 399, R ' to tenth line, after ' ventricle.' 



6'25, four lines from top, for ' fig. 435,' read ' fig. 424, &.' 



630, five lines from bottom, for ' bodies,' read ' borders.' 



