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Show xxi Page 53. E. tubifex. A. Upper jaw-plates of an adult specimen. B. Lower jaw-plates of the same 306 54. Feet of an adult specimen of E. tubifex 307 55. Thirtieth foot of a young specimen of E. tubifex, to show maximum development of the secretory pad 309 56. E. antennata, in the act of swimming 313 57. Sections of body of E. antennata 315 58. Upper jaw-plates of E. antennata, a large specimen 315 59. T w o acicular setae of E. antennata in their natural relative positions 316 60. Three feet of E. antennata (a small specimen of var. viridis), showing the proportions of the gills in anterior, middle, and posterior parts of the body 317 61. Sections of body of E. indica 319 62. Heads of three specimens of E. indica 320 63. Upper jaws of a full-grown specimen of E. indica 321 64. Feet of E. indica, showing maximum of development of gill . . 322 £5. Upper and lower jaw-plates of Nicidion gracilis 328 6J. Anterior and hinder feet of Nicidion gracilis 329 67. Part of arterial system of Zamenis mucosus 335 68. Ovarian and oviducal arteries of one side of the body in Tropido-notus fasciatus 348 69. Spermatic and neighbouring arteries of Tropidonotus fasciatus .. 351 70. Zamenis flag ellifor mis, origin of right aorta and other arteries, to illustrate mode of enclosure within lymphatic sheath 352 71. One of the hepatic arteries of Ophiophayus 356 72. Right testis of Ophiophayus and its blood-supply 357 73. Left testis of Ophi phayus and blood-supply 358 74. Epigastric vein of Ophiophayus 359 75. Testis and blood-supply of Naia tripudians 361 76. Anterior testis and blood-supply of Python spilotes 364 77. Posterior testis and blood-supply of Python spilotes 305 78. (Esophageal and hepatic arteries of Lachesis gramineus 367 79. Hyslrix leucura, left maxillary , 417 80. Antidorcas euchon-, $ , right maxillary 420 81. Antidorcas euchore ( rf '•), right maxillary 420 82. " Sorex pusillus, var. yriseus," anterior portion of left mandibular ramus 423 83. Right anterior limb of: A. Mixosaurus cornalianus ; B. Ichthyosaurus communis ; C. Ichthyosaurus extremus 424 84. Side view of skull (without lower jaw) of Domesticated Horse from India, showing rudimentary face-pit 427 85. Skull of Quagga in the British Museum, showing vestige of depression for the face-gland 128 86. Quagga in the Amsterdam Museum 430 87. Cercopithecus sclateri: front (A) and side (B) views of head . . 434 88. Anterior abdominal and median epigastric vein of Iguana tubcrculata 438 |
