SYSTEMATIC INDEX. 



Introduction 



PAGE 



1 



Description of Genera and Specie 



page 



s 



Stratigraphy 



2 



(continued) — 





Classification of Fishes 



5 



E 1 onichthy s obi iquus ... 



91 







— ornatus 



91 



Pal^oniscid^ 



... 11 



Gouatodus 



92 



List of Genera 



... 11 



— punctatus ... 



94 



Structure 



... 13 



— macrolepis ... 



97 



Head 



... 15 



— parvidens ... 



99 



Internal Skeleton of Body 



... 23 



Drydenius 



. 100 



Shoulder-girdle 



... 24 



— insiguis 



101 



Dermal Fin-rays 



... 26 



— Molyneuxi ... 



. 102 



Scales 



... 29 



Cryphiolepis 



. 104 



Lateral Line 



... 31 



— striatus ... 



. 104 



Dentition ... 



... 32 



Acrolepis 



. 108 



Systematic Position 



... 34 



— Hopkinsi 



. 109 







— semigranulosa 



. 112 



Description of Genera and Specie 



3 ... 42 



— ortholepis 



.. 113 



Cosmoptychius 



... 42 



— Wilsoni 



. 115 



striatus 



... 43 



Nematoptychius 



.. 116 



Elonichthys 



... 47 



— Greenocki 



.. 116 



— semistriatus 



... 49 



Cycloptychius ... 



.. 121 



— caudalis ... 



... 58 



— carbonarius 



.. 121 



— oblongus ... 



... 55 



— concentricus 



.. 124 



— striolatus ... 



... 57 



Ehadiuichthys ... 



.. 126 



— Eobisoni ... 



.. 62 



— ornatissimus ... 



.. 127 



— serratus 



... 70 



— carinatus 



.. 180 



— pulcherrimus 



... 71 



• — canobiensis 



.. 133 



— Portlocki 



... 73 



— elegantulus 



.. 135 



— microlepidotus 



... 74 



— delicatulus 



.. 136 



— Binneyi 



... 74 



— monensis 



.. 137 



— multistriatus 



... 76 



— Macconochii ... 



.. 140 



— Aitkeni 



... 11 



— Wardi 



.. 142 



— Egertoni ... 



... 80 



— brevis 



.. 143 



— pectinatus 



... 82 



— hibernicus 



.. 144 



— denticulatus 



... 88 



— macrodon 



.. 146 



-^ striatulus 



... 89 



— Hancocki 



.. 147 



