PLATE IX. 



Fig. Page. 



1. Lepidotus manfelli, Agassiz; small head and anterior scales, left side view, 

 nat. size, with bones of cranial roof in outline (la), one-half nat. size. 

 — Wealden; Hastings. Rufford Collection (B. M. no. P. 6933). 

 ag., angular; cl., clavicle; co., circumorbitals; (^., dentary;//-., frontal; 

 iop., interoperculura ; /., scales of lateral line ; mx., maxilla ; op., 

 operculum; pa., parietal; pcJ., postclavicular scale; jw., postorbitals 

 (the large foremost plate of the series lacking) ; pop., preoperculum ; 

 pro., preorbitals; ptt., post- temporal; scL, supraclavicle; sma;., supra- 

 maxilla ; sop., suboperculum ; sq., squamosal; st., supratemporal. 39. 



