LIST OF ILLUSTRATIONS xvii 



FIO. PAGE 



1073. Apteryx oweni, hind-limb of embryo ... . 433 



1074. Gallus bankiva, egg at time of laying ...... 436 



1075. ,, ,, blastoderm 437 



1076. ,, ,, two embryos 439 



1077. ,, ,, egg with embryo and embryonic appendages . 440 



1078. ,, ,, diagrams of development of embryonic mem- 



branes 441 



1070. Diagram illustrating the relationships of the chief groups of 



Birds 445 



1080. Lepus cuniculus, skeleton with outline of body .... 446 



1081. ,, ,, vertebra 448 



1082. ,, ,, skull 451 



1083. ,, ,, ,, vertical section 454 



1084. ,, ,, carpus with distal end of fore-arm . . . 456 



1085. ,, ,, sacrum and innominates 457 



1080. ,, ,, skeleton of pes 457 



1087. ,, . ,, nasal region, vertical section .... 459 



1088. ,, ,, lateral dissection of head, neck, and thorax . 460 



1089. ,, ,, digestive organs . . . . . . . 461 



1090. ,, ,, heart 462 



1091. ,, ,, vascular system 465 



1092. ,, ,, larynx 466 



1093. ,, ,, transverse section of thorax 467 



1094. ,, ,, brain . . . 468 



1095. ,, ,, dissections of brain 469 



1096. ,, ,, brain, vertical section 470 



1097. ,, ,, urinogenital organs 473 



1098. ,, ,, female organs (part) 474 



1099. ,, ,, diagrammatic section of advanced embryo . 475 



1100. Section of human skin 488 



1101. Longitudinal section of hair 489 



1102. Development of hair 490 



1103. Echidna hystrix, with pouch and mammary glands . . . 491 



1104. Diagrams of development of nipple 492 



1105. Ornithorhynchus anatinus 493 



1106. Echidna aculeata 493 



1107. Didelphys virginiana 494 



1108. Dasyrus viverrinus 494 



1109. Petrogale xanthopus 495 



1110. Notoryctes typhlops . . . 495 



1111. Phascolomys wombat 496 



1112. Phascolarctos cinereus 497 



1113. Choloepus didactylus 498 



1114. Dasypus sexcinctus . . . 499 



1] 15. Manis gigantea 499 



1116. Orycteropus capensis 500 



1117. Orca gladiator 500 



1117, bis. Hippopotamus amphibius . . . . . 503 



VOL. II b 



