﻿SYSTEMATIC INDLX. XXIX 



ICHTHYODORULITES {continued). 



Page 



Cosmacanthus carinatus 112 



priscus 112 



Lispacanthus 113 



retrogradus 114 



Lepracanthus ■. ... 114 



colei 114 



Nemacanthus 115 



monilifer 116 



brevis Il7 



Gnathacanthus 118 



triangularis 118 



striatus 118 



Apateacanthus 118 



vetustus 119 



Pristacanthus 119 



securis 119 



Coelorhynchus 120 



rectus 120 



gigas 122 



cretaceus 122 



MachaBracanthus 123 



sulcatus 123 



Haplacanthus 124 



marginalis . 124 



Heteracanthus 125 



politus 125 



heterogyrus 125 



Psammosteus 126 



maeandrinus 126 



■ arenatus 127 



paradoxus 128 



Stethacanthus 129 



Physonemus 130 



— — arcuatus 130 



attenuatus 130 



hamatus 131 



