﻿IX, D. 1 



Day: Ophiocephalus striatus 



49 



67. Interhtemal spine. 



68. Anal rays. 



69. Ribs, Plate XII. ventral of double ribs. 



60. Spine on lowest wide hypural. 



61. Dorsal of double ribs, Plate XII. 



62. Clavicle. 



63. Ceratobranchials. 



64. Epibranchials. 



65. Glossohyal. 



66. Parasphenoid. 



67. Vomer. 



68. Urohyal. 



69. Basioccipital. 



70. Atlas. 



71. Mesopterygoid. 



72. ExoccipitaL 



73. Otoliths. 



74. Epibranchial modified of 1st branchial 



arch. 

 76. Supraethmoid. 



76. Prefrontal. 



77. Postclavicle, upper part. 



78. Prootic. 



79. Epiotic. 



80. Pterygoid. 



81. Ethmoid. 



82. Interneural spines. 



83. Basisphenoid. 



84. Hypohyals. 



85. Anterior dorsal radial. 



86. Intra-articular. 



87. Vertebra, the 2d, axis. 



88. Vertebra, the 6th. 



89. Vertebra, the 6th. 



90. Vertebra, the 7th in Plate XI and 



No. 42 in Plate I. 



91. Vertebra, the 20th. 



92. Vertebra, the 21st. 



93. Vertebra, the 22d. 



94. Vertebra, the last but 7. 



95. Vertebra, the last but 6. 



96. Vertebra, the last but 5. 



97. Centrum of vertebra, the 7th, bearing 



No. 90. 

 12371 



of vertebra, the 20th, bearing 



of vertebra, the 22d, bearing 



98. Centrum 



No. 91. 



99. Centrum 



No. 'Jo. 



100. Centrum of vertebra, the last but 7, 



bearing No. 94. 



101. Centrum of vertebra, the last but 5, 



bearing No. 96. 



102. Hypural ( ?) 

 10?. Hypural (7) 



104. Upper double rib, the 13th. 

 106. Lower double rib, the 13th. 



106. Upper double rib, the 14th. 



107. Lower double rib, the 14th. 



108. Upper double rib, the 15th. 



109. Lower double rib, the 15th. 



110. Rib, the 25th. 



111. Rib, the 26th. 



112. Rib, the 39th. 



113. Rib, the 40th. 



114. Rib, the 41st. 



116. Anterior dorsal radial. 



116. Second dorsal ray. 



117. 19th and 20th interhaemal spines. 

 )18. 3d anal ray. 



119. 24th ray of anal fin. 



120. Anal rays, 4th to 11th inclusive. 



121. 6th ray of dorsal fin. 



122. Alisphenoid. 



123. Opisthotic. 



124. Upper anterior part of hypural. 



125. Neural spines of vertebrae bearing Nos. 



92 and 95. 



126. Neural arch of vertebras bearing Nos. 



87, 88, and 94. 



127. Prezygapophyses. 



128. Postzygapophyses. 



129. Last vertebra but 4. 



130. Last vertebra but 3. 



131. Last vertebra but 2. 



132. Last vertebra but 1. 



133. Patches of cardiform teeth on branchial 



arches in Plate XVII. 



134. Anterior ventral process. 



135. Posterior ventral process. 



