PAL/EONTOGRAPHICAL SOCIETY, 1910. 



A.S.Woodward.EnglisTi Chalk Fishes. 



1. A ^i^P*»^fe»^ 2. 



PI. XL. 



A.H.Searle deLetlitli. West^Newman imp. 



1~3. Elasmodecfces. 4~6. Edaphodon. 7. Ischyodus. 



