ANATOMY OF MEGAPTERA LONGIMANA. 147 



Table I. — Measurements of the Skull — continued. 



42. 



43. 

 44. 



45. 



46. 



47. 

 *48. 



49. 



*50. 



51. 



52. 

 53. 

 54. 



*55. 

 *56. 

 *57. 



58. 

 *59. 

 *60. 



61. 

 *62. 



63. 

 *64. 

 *65 



66. 

 *67. 



68. 

 *69. 

 *70. 



71. 

 *72. 



73. 



*74. 

 *75. 

 *76. 



77. 



79. 

 80. 

 81. 



82. 

 83. 

 84. 



Nasals, greatest thickness, between upper and 



under surfaces, 



,, width of depression between nasals. 



Smallest breadth between temporal fossse, across 



nasals, .... 



Length of cranium, straight from end of occipi 



tal condyle to anterior end of nasal, 

 Ditto, ditto, to anterior edge of temporal fossa. 

 Ditto, ditto, to transverse frontal fossa, . 

 Length of beak, from anterior edge of temporal 



fossa, ..... 

 Ditto, from transverse frontal fossa. 

 Projection of premaxillary beyond maxillary. 

 Length of maxillary, from end of frontal pro 



cess, ..... 

 Ditto, from curved border at temporal fossa. 

 Ditto, from back part of ant. -orbital angle. 

 Ditto, on palatal surface. 

 Breadth of maxillaries at hinder end, . 

 Ditto, across orbital processes, on the curve, 

 Breadth of beak at base, on the curve (just 



before anterior edge of temporal fossa), 

 Ditto, straight, by callipers. 

 Breadth of maxillary at same, . 

 ,, of premaxillary at same, 

 ,, of mesial gap at same, . 

 Breadth of beak, | of its length from the base 



on the curve, . 

 Ditto, straight, by callipers. 

 Breadth of maxillary at same, . 

 ,, of premaxillary at same, 

 ,, of mesial gap at same, . 

 Breadth of beak at middle, on the curve, 

 Ditto, straight, by callipers, 

 Breadth of maxillary at same, . 

 ,, of premaxillary at same, 

 ,, of mesial gap at same, . 

 Breadth of beak at | of its length from base, on 



the curve. 

 Ditto, straight, by callipers, 

 Breadth of maxillary at same, . 

 ,, of premaxillary at same, 

 ,, of mesial gap, . 

 Premaxillary, length, 



,, breadth where maxillary ceases 



distally, 

 Prenasal gap, greatest width, 



,, length, from anterior border of nasals. 

 Length of narrow intermaxillary space, from 



prenasal gap to end of beak, . 

 Vomer, length, ..... 

 ,, greatest depth of its cavity, 

 ,, greatest width of its cavity, 



Megaptera, 

 40 feet long. 



101 



B. musculus, 

 50 feet long. 



15i 



