XXV 



Page 



135. Centrophorm calceus. TrausA-erse section across bile-duct . . 873 



136. Centrophorus calceus. Transverse section across bile-duct . . 873 



137. Ce7itrophorus calceus. Diagrammatic transverse section in the 



region of the kidneys 882 



138. Centrophorus calceus. Diagram of section of posterior caudal 



vertebra, showing position of the supra-neural vein 884 



139. Diagram showing that the vascular supply of the kidney 



elements is identical throughout the vertebrate series 893 



140. Variations in Lateral Line Canal of Chlamydoselachus 963 



141. Spinal nerves from anterior, middle, and tail regions of 



Chluimjcloselachus 986 



142. Lateral and palatal aspects of the type-skull of the Tibetan 



Bruang ( Ursus malayanus ivardi) 998 



143. Buna temporaria. Ventral view of Aa. subclavise 1012 



144. Ra7ia temporaria. Ventral view of Aa. subclavise 1012 



145. Rana clamata, ? . Portion of arterial system. Ventral view. 1015 



146. Rana cateshiana, (S . Portion of arterial system. Ventral 



view 1017 



147. Rana hexadactyla, §. Portion of arterial system. Ventral 



view 1019 



148. Rana cateshiana, S ■ Ventral view of Aa. urogenitales, &c. . . 1022 



149. Rana hexadactyla, 5 . Ventral view of Aa. urogenitales, &c. 1023 



150. Rana escidenta, 5 . Ventral view of Aa. urogenitales, &c. . . 1024 



151. Bufo boreas, $ . Ventral view of Aa. urogenitales, &c 1026 



152. Rana clamata, 5 . Ventral view of Aa. urogenitales, &c 1027 



153. Bufo boreas, 2 . Portion of arterial system. Ventral view . 1029 



154. Rana temporaria, § . Ventral view of A. intestinalis com- 



munis, showing abnormal arteries to lungs 1031 



155. Rana temporaria, § . Ventral view of hepatic portal vein, 



showino- abnormal vein from left lung 1032 



Proc. Zool. Soc— 1906. 



