Fig. 434a¢.—Salamander, showing the double row of lateral sense-organs - 
UW’); the dots on the head being organs of the same kind. 8, gills. 
Fig. 485a.—Head and tail-end of blind-snak 
(Ceecilia). 
Fig. 425b.—Young of Cecilia, wi 
the gills, and head of the same aft 
the gills have been absorbed. 
Fig. 435d,—Archegosaurus. A Labyrinthodont. (About four feet long; restored.) 
[To face page 482.] 
