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Show 26. A portion of the internal surface of the lung1 of Platyurus colubrinus.................................................. ................................ 150 27. A portion of the internal surface of the lung1 of Hydrus 'platyurus................................................................................... 152 28. A portion of the internal surface of the non-vascular part of the lung of the Hydrus platyurus ................................................ 153 29. Abdominal ribs of Tiliqua scincoides............................................. 156 30. Tiliqua scincoides, ventral flap of musculature............................. 157 31. Front view of skull of male Buffalo, Bus {Bubalas) caffer mathewsi................................................................................... 165 32. Left lateral view of adult male skulls of Elaphodus michianus (A) and E. ichangensis (B) ........................................ .................. 167 33. Front view of adult male skulls of Elaphodus michianus (A) and E. ichangensis (B) ................................................................... 168 34. Capitosaurus stantonensis, hinder view of occiput, restored . . . . 172 35. Ward's Zebra, to show long ears and face-stripes ..................... 181 36. Ward's Zebra, to show " gridiron" and broad dorsal band . . . . 182 37. Head of Balearica regulorum........................................................ 202 38. Head of Balearica gibbericeps........................................................ 202 39. Head of Balearica pavonina ........................................................ 203 40. Head of Balearica cecilice ............................................................ 203 41. Maoridrilus mauiensis. A spermatheca..................................... 223 42. Maoridrilus mauiensis. A penial chaeta..................................... 223 43. Maoridrilus mauiensis. Tip of penial chaeta ............................. 224 44. Maoridrilus mauiensis. Tip of penial chaeta ............................. 224 45. Octochcetus michnelseni. Spermatheca........................................ 225 46. Dinodrilus beddardi. View of part of the fore-body.................. 227 47. Dinodrilus beddardi. Spermatheca............................................ 228 48. Bhododrilus edulis. Ventral view................................................ 232 49. Bhododrilus edulis. A nephridium ............................................ 233 50. Bhododrilus edulis. The prostate of the left side ..................... 233 51. Bliododrilus edulis. A penial chaeta..................... ...................... 233 52. Bliododrilus edulis. The tip of a penial chaeta ......................... 233 53. Bliododrilus edulis. Diagrammatic sketch of a section through the porophore ........................................................................... 234 54. Bliododrilus edulis. Spermatheca................................................ 234 55. Bliododrilus besti. Ventral view of the clitellar segments . . . . 236 56. Bliododrilus besti. An enlarged view of one of the tubercula pubertatis................................................................................... 236 57. Bliododrilus besti. Portion of prostate......................................... 236 58. Bliododrilus besti. A penial chseta ............................................ 237 59. Bhododrilus besti. Tip of penial chaeta ..................................... 237 60. Bliododrilus besti. Tip of penial chaeta, side view..................... 237 61. Bhododrilus besti. A spermatheca ............................................. 237 62. Tokea esculent a. Ventral view of clitellar region..................... 241 • 63. Tokea esculenta. Enlarged view of the male pore..................... 241 64. Tokea esculenta. A somewhat diagrammatic drawing of a dissection of the worm ............................................................ 242 XX Page |