INDEX. 



A. Page. 



Ananchy tc3 74-75 



cinctus 75 



cniciferua 63 



. flmhriatus 75 



ovalis 74-75, 176 



sp 75 



Apiocrinid® 24-25 



Arbat'ia sp ^" 



Asterias 31-32 



Jclubium 31-32,114 



Asteroidea 29-33 



B. 



Botriopygus 60-61 



alabamensis 60-61, 154 



elevatiis 61 



Bourgueticrinus 25 



alabamensis 25, 110 



ellipticus 25 



C. 



Cardiaster 75-76 



cinctus 75-76,178 



fimbriatus 75 



Carpenter, P. H., cited on Pcntaorinidse 25-26 



Cassidulidas 59-73 



Cassiduliis 66-73 



abruptus 92 



sequoreus 67,68-69,162 



fequorum 68 



florealis 66-67,160 



micrococcus 69-70, 164 



porrectus 72-73, 170-174 



Stantoni 73,174 



subconicus 67, 71-72, 168 



subquadratus 70-71, 72, 166 



Catopygus - 64-66 



columbarius 65 



OYiformis 64-65, 66, 158 



pusillus 65-66,158 



Cidaridae 33-40 



Cidaris 33-38 



axmiger 33 



Branneri 37 



californicus 35, 36, 116 



clavigera 46 



diatretum 40, 46 



hemigranosus 38 



nahalakensis 92, 93 



sceptrifera 46 



eceptrifera compared with C. texanus . 37 



Page. 



Cidaris— Continued. 



serrata 34 



(!) sp 33 



splendens 33-35, 116 



splonileus 33,34 



Tayloreusis 35, 116 



texanus 36-37,118 



Walcotti 37-38, 1 16 



Cidarites armiger 33 



diatretum 46 



splcndens 33-35 



Clypeaster florealis 66 



geometricus 92, 93 



sp 66,92 



Coptosoma 51-53 



Mortoni 51-52, 53, 138 



sppciosum 52-53, 140 



Criuoidea 21-29 



Cypliosoma texanum 48, 49 



D. 



Diadema sp ^ 92 



texanum 47, 48 



Diadematidfe 44-54 



Diplopodia 48-51 



Diplopodia Hilli 50-51, 136 



texanum 48-50, 134-136 



Discoidea oocidentale 92, 93 



E. 



Echinidre 54-58 



Echinobrissus 61-63 



cruciferus 63 



expansus 61-62, 63, 156 



texanus 62-63, 156 



Ecbinoconidaj 58-59 



Echinoidea 33-93 



Echinus andinus 54 



Boli varii 50 



patagonensis 54 



sp 33 



Enallaster '. 78-80 



mexicanus, related to E. obliquatus ... 80 



obliquatus 79-80,184 



peruvianus 79 



texanus 78-79, 80, 82, 182 



texasus ' 78 



Epiaster 80-84 



eiegans 80-82,186-190 



Wbitei 81, 82-83, 190-192 



Eaochinoidea 33-93 



205 



