66 



MEMOIRS OF THE UNIVERSITY OF CALIFORNIA. 



97 



99 



Figs. 96-101. Posterior limbs of Triassic iehthyusaurs. F, femur; T, tibia; Fb, fibula; Tr, 

 Fig. 96. Cymbospondylus petrinus Leidy, X %. Fig. 99. Merriamia zitteli (Merriam), X V\: 



Fig. 97. Mixosaurus cornalianus (Bassani), X %. Fig. 100. DelpJiinosaiirns perrini Merriara, X 



(After Repossi.) Fig. 101. Khastasaurus osmoiili Merriam, X 



Fig. 98. Toretocnemus califoniicioi Merriam, X %. 



