TABLE OF CONTENTS. VH 



Descriptions of species— Continued. 

 Family Amphiuridse — Continued. 



Genus Amphiura — Continued. i"«jg<'- 



Amphiura leptodoma ^'^^ 



euopla ^ "*■* 



acrystata l^-* 



ecnomiotata -1 48 



trachydisca 149 



micraspis 1'^" 



pycnostoma I'^l 



psilopora 1^* 



Amphiodia urtica ^^^ 



occidentalis 1'^^ 



craterodmeta 1^^ 



macraspis 1^' 



euryaspis 1^8 



periercta 1"" 



ancistrota ^"^ 



digitula 1*^2 



strongyloplax l""* 



psilochora - ^^^ 



Amphipholis pugetana 1^^ 



Amphioplus rhadinobrachius 167 



acanthinus 1"° 



hexacanthus 1^^ 



megapomus ^'" 



Amphilepis platytata 



Amphilimna pentacantha 1"^^ 



Ophionereis eurybrachiplax l'^^ 



Genus Ophiocrasis 



Ophiocrasis dictydisca 1'^^ 



Ophiodoris pericalles ly 



Family Ophiohelidse ' 



Ophiomitra cardiomorpha 1'^^ 



discycla 1^^ 



habrotata. 



182 



microphylax 1°^ 



bythiaspis 1^^ 



polyacantha 



codonomorpha 1°° 



acontophora 



iqi 

 Ophiocamax lithosora 



polyploca ^^^ 



Family Ophiacanthidse ^ 



Ophiacantha bidentata 



pentagona - 



levispina 



adiaphora ^^^ 



90"! 



rhachophoia ^"^ 



, , 202 



omoplata 



90"^ 



acanthinotata -""' 



anchilabra - _ 



trachybactra -^^ 



diploa '^«7 



