534 C. JUDSON HERRICK 



EXPLANATION OF FIGURES 



62. A section from the same series farther caudad. x 30. On the right side it 

 passes through the interventricular foramen, of the left immediately caudad of it. 



63, 64, and 65. Three horizontal sections through the brain of the lizard, Sce- 

 loporus undulatus (Daudin). Haematoxylin preparation. The right side is 

 slightly farther ventral than the left. X 20. 



63. Through the dorsal part of the hemispheres. 



64. On the right side the section passes through the interventricular foramen; 

 on the left side above it ; the precommissural body surrounds the foramen. 



