" Disappearance of primitive groove 41
" 2. Development of blood-vessels 47
" 3.} Preliminary account of development of Elasmobranch
" 4.} Fishes 60
" 5. Comparison of early stages of Vertebrates 112
" 6. Development of Elasmobranch Fishes. ch. II. 222
" 7. " " " " III. 246
" 8.}
" 9.} " " " " IV. 286
" 10. " " " " V. 298
" 11.}
" 12.} " " " " VI. 315
" 13. " " " " VII. 361
" 14. " " " " VIII. 378
" 15.}
" 16.} " " " " IX. 397
" 17.}
" 18. " " " " X. 446
" 19. " " " " XI. 460
" 20.}
" 21.} " " " " XII. 479
" 22.}
" 23.} Development of spinal nerves in Elasmobranchs 168
" 24.}
" 25.} Structure and development of Vertebrate ovary 549
" 26.}
" 27.}
" 28.} Head-kidney in embryo Chick 618
" 29. Early development of Lacertilia 644
" 30.}
" 31.} Development of Araneina 668
" 32.}
" 33. Development of paired fins of Elasmobranchii 714
" 34.}
" 35.}
" 36.}
" 37.}
" 38.} Structure and development of Lepidosteus 738
" 39.}
" 40.}
" 41.}
" 42.}
" 43.}
" 44.} Germinal layers of the Chick 854
" 45.}
" 46.}
" 47.}
" 48.}
" 49.} Anatomy and development of Peripatus Capensis 871
" 50.}
" 51.}
" 52.}
" 53.}