INDEX. 



[The important references in each case are in 



Page. 



abactinal 13 



abnormal development 101 



aboral, see abactinal. 



accessory actinals 13 



accassory interbrachials 13, 15,45,46 



accossory plates 13, 47,51 



Acroiira (Ophiura) schlotheimii 18 



actinal 13 



acuminalus, Asterias 93 



acuminatus, Mesopalseaster (?) 75,93 



acuminalus, RoemeTaster (?) 93 



adambulacralia, see adambulacrals. 



adambulacral oral skeleton 16 



adambulacral spines 13, 43 



adambulacrals (see also lateral shields) 13, 



34,43,162,213,214,222 



Agalmaster 40,49, 128, 131, 133 



A. grandis 132 



A. intermedins 133 



A. miellcnsis 132 



Aganaster 263 



A. gregarius 264 



A. (?)sp. Miller and Gurley 251 



AganasteridiE 240, 263 



Alepidastcr 216, 228 



A. fle.xuosus 230, 231 



A. granulifcrus 229, 230 



A . gregarius 264 



A. miamicnsis 230, 233 



A. n. sp 230 



ambltal and ambital plates 13, 46, 174 



ambulacralia, see ambulacrals. 



ambulacral oral skeleton 16 



ambulacrals 1 3 , 33, 34, 4 1 , 213, 235, 258 



alternate arrangement 13, 



33,41,152,172,174,213,214,215,222,226 



opposite arrangement 13, 



41,163,213,214,224,246 



americanus, Coelaster 146 



americanus, Petraster (?) 139,146 



ampulto 213 



anal opening 18, 89, 54,01 



Anorthaster 41, 42, 43, 50, 1 25 



A. mlamiensls 127 



Anorthastcrinaj 62, 74, 126 



anthonii, A sterias 146 



antiqua, A rgaster 86 



antiqua, Asterias, Ilisingor 149 



antiqua, Asterias, Troost 86 



antiqua, Hisingcrasttr 149 



antiqua, Palseaster (^Argaster) 88 



antiqua, Palseasterina 149 



50601°— Bull. 88—15 20 



heavy-faced typ«. Sjmonyms are in italics.] 



Page. 



antiqua, Palmipes 149 



antiqua, Petraster (?) 86 



antiquata, Asterias 109 



antiquata, Palseaster 109 



antiquus, A steriscus 149 



antiquus, Lindstromaster 149, 153 



antiquus, Mesopalmaster (?) 75, 86 



antiquus, Palseaster 86 



anus, see anal opening. 



approzimata, Palseasterina 142 



A rchxasterias 129, 130 



arcs, see a.\il. 



7 A rgaster 74, 77, 87 



A . antiqua 86 



arnoldi, A spidosoma 243 



amoldi, Encrinaster 241, 248 



asper, Onychaster 270, 2 72 



asperrima, Palseaster 187 



asperrima, Urasterella (?) 175, 187 



asperrimus, Salteraster 187 



asperrimus, Tetraster 187 



asperula, A sterias 188, 262 



asperula, Roemeraster 188 



asperula, Urasterella 175, 188 



A spidosoma 241 



A . arnoldi 243 



A. eifelense 244 



A. goldfussi 243 



A. grayaj 245 



A. petaloides 243 



A. petaloides goslariensis 243 



A. ?pontis 244 



A. roemeri 244 



A. schmidti 244 



A. tischbeinianum 244 



Aspidosomatidx 241 



Asterias 33 



Asterias Graham, Anthony and James 148 



A . acuminatus 93 



A . anthonii 146 



A. antiqua Ilisinger 149 



A . antiqua Troost 86 



A . antiquata 109 



A . asperula 188, 262 



A . comtellata 187 



A . matutina 67 



A. montanus 189 



A . primseva 167 



A . primordialis 108 



A. (A rchseasterias) rhenana 131 



A. spinosissima 19 



asterid radicle 34 



vsterina 33 



303 



