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17. Pancreas, gall-bladder, &c., of Vdrnnus nihticus, to show the 



course of the bile-ducts 64 



18. Lungs of Varanus exanthematicus 65 



19. Lungs of Varanus griseus 66 



20. Back view of head of Midas tJiomasi 89 



21. Back view of head of Midas riifiventer 91 



22. Back view of head of Midas griseovertex 93 



23. Head of 3Iidas imperator 94 



24. Lateral view of the skull and lower jaw of a very young 



GivatFe 101 



25. Lateral view of the skull of a Giraffe, about two-thirds grown . 102 



26. View from above of the f ronto-pai-ietal region of the skull of a 



very yonng Giraffe 102 



27. View from above of the fronto-parietal region of the skull of an 



immature Okapi 103 



28. Sagittal section through the bony tissue of the os?icone and 



the roof of the skull of a very young GiraH'e 104 



29. Copy of the di-awing of a sagittal section through the ossicone 



and the roof of the skull of a newly-born Giraffe, published 



by the late Sir Richard Owen in the Trans. Zool. Soc. ] 840. . 104 



30. I") cawing of the right side of the head of the foetal Giraffe 



described in the text 106 



31. The left ' horn ' of the foetal Giraffe 107 



32. Diagram to show the flattened plate-like form and the 



orientation of the horns of the foetal Giraffe 108 



33. Skull of Giraffe .... showing the directions in which the 



skull was cut 110 



34. View, looking forwards, of the skull cut in the direction of 



line 4 in text-fig. 33 Ill 



35. Drawing, of the natural size, of a young foetal skull of a 



Giraffe 112 



36. Diagram to show the various positions on the frontal bone at 



which the bony horn-cores of the Cavicorn and Cervine 

 ruminants may take their g-rowth 114 



37. Left side of the head of the foetal Giraffe described, showing 



colour-stripes on the snout and above and below the eye .... 116 



38. Section across three dark-coloured bands above the eye of the 



foetal Giraffe, showing three longitudinal furrows or de- 

 pressions in transverse section corresponding to the dark 

 bands 116 



39. Section of the skin of the frontal region of the foetal Giraffe, 



showing three sizes of hairs 117 



40. Surface-view of banded "pelage" of the frontal region of foetal 



Giraffe, showing the convergence of the hairs at the three 

 longitudinal bands of dark appearance 118 



41. An enlarged drawing of a single hair of average size from the 



frontal region of an adult Giraffe, showing the dark pigmented 

 free extremity and the opaque white lower portion 119 



