TABLE OF CONTENTS. IX 



Sinn-lure and anatomy Continued. -, , 

 Perisornic plates Continued. 



Side and covering plates Continued. 



Family Tlialassometridae Continued. Page. 



Cosmiometra crassiclrra .. 252 



Cosmionietra delieata 253 



Stylometra spinifera 253 



Stenometra quinquecostata 254 



Stenometra cristata 254 



Stenometra dindeiiia 254 



Daidalometra hana 256 



Parametra orion 256 



Parametra srauulata 25f! 



Oceanoruetra gigantea 256 



Oceanometra annandalei 258 



Thalassometra villosa 258 



Thalassometra agassizii 258 



Aglaometra eupedata 258 



Agalaometra incerta 258 



Family Charitonietrida? 25S 



Crossometra helius 258 



Perissometra selene 259 



Perissometra pa tula 259 



Perissometra lata ._. 259 



Pachylometra distincta 259 



Pacliylometru inrequalis 260 



Chondrometra rohnsta 260 



Calyptometra lateralis 260 



Glyptometra tuberosa 260 



Crinometra inseulpta 262 



Monaohometra frngilis 262 



Ptecilometra scalaris 263 



Chloronietra fSnrrettiiina 261 



Stroluinetra hcpbiirnmna 264 



Charitonvtra luisieurva 264 



Family Antedonida; 264 



Antedon petnsus 264 



Antodon bifida 265 



Anl(>don adrlatiwi 265 



(Ymipsnmetra lovelii 265 



Compsoruetra inonmnioda 265 



Toxometra paupera 265 



Dorometra parvicirra 2'i."i 



Eumetra chamberlain! _ _. 265 



Iridometra adrestine 265 



Iridornetra melpomene 265 



Andromotra psyche 265 



Thysauometra tenelloides 265 



Coccometra guttata 267 



Coccometra nigrolineatn 267 



Coccometra hagenii 267 



Perometra diomedete 267 



Erythrometra australis 267 



Mi'.vthrometva ruber 267 



Hypalometra defecta 267 



