OCR Text |
Show XX Page 27. Details of the formation of an accessory cotyledon in a Cow's placenta of the 6th month '7 28. Sheep.-Detail of cotyledonary crypt '9 29. Sheep.-Formation of new crypt-cavities by the downgrowth of cell-masses from patches of unmodified-not flattened- epithelium 81 30. Section through one side of the chorionic ring and base of the diverticulum allantoidis of the Sheep 82 31. aa.ndb. Amniotic epithelial thickening, c. Glycogenic epithelium of the allantoic stalk, and d, e. Glycogenic connective-tissue cells, of C o w of 4 months 84 32. Uterus of Sheep 91 33. Rhomboidal and lanceolate crystals of bilirubin obtained from a chloroform solution of the dried allantoic bodies of the Pig 93 34. Skull of Wolf 115 35. Skull of Hare 115 36. Diagram of jaws. Type 1 115 37. Skull of Dog. A. Glenoid fossa deepened by a process of the squamosal bone. B. Cylindrical condyle of lower jaw .... 116 38. Diagram of jaws. Type 2 110 39. Diagram of jaws. Type 2. Showing the crowns of the teeth set in a plane at right angles to the greatest pressure 117 40. Diagram of jaws. Type 2. Showing the emenentia articularis . 117 41. Diagram of jaws. Type 2. Showing lengthening of jaws in order that incisors may be widely separated, &c 118 42. Diagram of jaws. Type 2. Showing the introduction of a second angle to procure wide separation of the incisors, Szc 119 43. Skull of Tragulusjavanicus ]}9 44. Diagram of Snake's jaws 12Q 45. Skull of Iguanodon bernissartensis 121 46. Diagram of jaws. Type 2 R 221 47. Skull of Batagur Tortoise ] 29 48. Ring-tailed Lemur and young jo^ 49. Lateral aspect of the skulls of:-a. Pseudoeolaptes boissineauti. b. Hylactes megapodius. c. Batara cinerea. d. Dendroco-laptes pimmnus -i or. 50. Ventral aspects of the skulls of:-a. Hylactes megapodius. b. Philepitta jala. c. Pseudoeolaptes boissineauti. d. Den-drocolaptes picumnus. e. Batara cinerea. f. Xiphornynchus trochilirostris. g. Dorsal aspect of skull of Pseudoeolaptes . . 140 51. F o r m of the posterior border of the sternum and the relations of the articulations of the bones of the Shoulder-girdle at the foramen triosseura ... -, . ^ " •* ••• J.JH 52. Phylogenetic tree indicating the probable relationships of the " Tracheophone " Passerea ] 58 53. Ceratodus forsteri in various positions of rest and movement 173 54. Ceratodus forsteri in various positions of rest and movement ] *fi |