—--— Cladoselache. 
SBe6bSn66 
__— — Acanthodian. 
(TABLE III) 
\---—— Pleuracanthid, 
ce6- 24666 068588. 
Squaloraja. 
Amphibian, 
ae cere ee Pate 
ze 
¢ fyi. 
S$ &@ .€8 2 é@ 
Fig. 103. — Scheme suggesting the interrelationships of Sharks, Chimeeroids, “a 
and Lung-fishes. 
98 
