PLATE I. 



Fig. Page. 



1. Beri/copsis eJegaus, Dixon; right lateral aspect of fisli. — Chalk; Sussex. 



Dixon Collection (B. M. no. 25881). a., expanded foremost support of 

 anal fin; a//., articnlo-angular ; oo., antorbital ; co., circumorbital ring"; 

 (h, dentary; ioji., interoperculnm ; ■)»,*'., maxilla; ;/., free dorsal fin- 

 supports; op., operculum; j>., remains of pectoral fin; pmx., pre- 

 maxilla ; 2>op., preoperculum ; qu., quadrate ; smx. 2, posterior supra- 

 maxilla ; sore, supraoccipital crest ; soj)., suboperculum. 6. 



2. Ditto ; head, right lateral aspect. — Probably from zone of Holasfer 



phnms ; Cuxton, Kent. Harford Collection (B. M. no. P. 5G96). 

 hr., branchiostegal rays ; c, coracoid, with scapula above ; cl., clavicle ; 

 ecj)!., ectopterygoid ; /., foramen in scapula; hm., hyomandibular ; 

 mj't., metapterygoid ; pc?., post-clavicle ; ^:>r/., prefrontal (ectethmoid) ; 

 Siux. 1, anterior supramaxilla ; .s*,, suspension of operculum; other 

 letters as above. 7. 



3. Ditto; part of roof of cranium seen from above. — Chalk; Kent. Egerton 



Collection (B. M. no. P. 1951). fr., frontal; socc, supraoccipital crest ; 

 sph., supraorbital flange of frontal. 6. 



4. Ditto ; fragment of trunk showing scales and anterior part of dorsal fin 



with spines. — Chalk ; Kent. Mrs. Smith's Collection (B. M. no. 

 49053). 10. 



All the figures of the natural size. 



