1917.] 



NATURAL SCIENCES OF PHILADELPHIA. 



373 



Musculium rykholti 65 



Mustelus mustelus 109 



Myliobatis freminvillii 109 



Natica finitima 173 



Neaera alternata 195 



ornatissima 195 



Necturus maculosus 7 



piiuctatus S 



Neritina bryana; 330 



Netrosoma fusiforme 252, 274 



nisropleura 252, 274 



uniforniis 252 



Neurergiis crocatus 27 



Niso sandwichensis 229 



Notropis bifrenatus 117, 123 



chalybffius 110, 118 



cornutus 110, 118, 123 



hudsonius amarus 118, 123 



photogenis amoenus 118, 123 



procne 117, 123 



whipplii analostanus 110, 118 



Nudivagus 296 



simplicus 296,297 



Ocyurus chrysurus 132 



Odontesthes 308 



Odostomia (Odostomidea) bartsoh- 



iana 182 



(Eulinast.oma) bathyraphe 180 



(Goniodostomia) circumvinc- 



ta 181 



rlathrata 183 



(Parthenina?) clyclocephala .... 181 



(Chrvsallida) duHs ' 182 



(Evalina) eclecta 322 



e. nematoderma 322 



(Evalina) gracilis 321 



(Odostomia gulicki 324 



(Evalina) haleiwensis 321 



(Odostomia) ingloria 178 



(Odostomia) kahoolawensis... 323 



letsona? 323 



(Odostomia) loxocephala 324 



myrmefoon 179 



(r)dostomelIa) patricia 317 



(Miralda) paulbartschi 319 



polita 179 



(Nesiodostomia) prima 325 



(Miralda?) pupu 320 



(Eulimastoma) pyrgulop.sis . . 179 



(Nesiodostomia) quarta 326 



san todomingensis ■ 179 



(Miralda) sropulonim 319 



(Nesiodostomia) secunda 325 



fChrysallida) stearnsiella 318 



(Goniodostomia) superans 180 



(Cvclodostomia) suta 322 



(Miralda) syrtites 318 



(Nesiodostomia) tertia 325 



(Evalea?) vexator....._ 180 



(Evalina) waikikiensis 320 



I ffidalionotus jucundus 275 



CEdipina 12, 14, 15 



lineolus ^. 21 



CEdipus. 12, 14, 15 



variegatus 21 



Oliva cylindrica 164 



dimidiata 165 



proavia 164 



sayana immortua 33 



Ophichthus gomesii 130 



Ophidion barbatum 277 



Opisthocosmia bogotensis 237 



burri 2^9 



Opisthonema oglinum 128 



Opsanus tau 115. 125 



Oreohelix binneyi 66, 69 



carinifera 45 



concentrata 95 



rooperi 44, 52, 55, 56, 57, 59, 60, 



66,76,81,86-88, 100 



elrodi 96 



handi 46 



havdeni 42, 69, 78, 79, 81, 95, 96 



h. betheli 43 



h. corrugata 43, 61, 62 



h.gabbiana 43, 67,71,72,78-80 



h. hybrida .43, 57, 59, 64-67, 70, 72 



h. mixta 43 



h. oquirrhensis 77-81 



h. oquirrhensis form utahensis 42 



h. utahensis 43, 66, 72, 78-80 



hemphilli... 45,78,81 



h. eurekensis 45,46,81 



hendersoni dakani 44, 65 



hermosensis 96 



I metcalfei.. 86, 87, 95, 100 



! m. acutidiscus 96-98 



m. concentrica 96, 97, 98 



I m. cuchillensis 87,96,99 



m. hermosensis 97, 98-100 



m. radiata 96,97.99, 100 



peripherica.43, 44, 62, 64, 66, 69, 70 



p. wasatchensis 43, 67, 68 



pilsbryi 86,96, 100 



! rugosa 44, 65, 66 



socorroensis..^. 96 



strigosa 78 



s. depressa 43, .54, 59, 60, 62, 64, 



j 65,67,68,70,73,76,81,94,96 



s. fragilis 61,62 



s. magnicornu 78 



s. metcalfei 95 



swopei ^7,93,95 



tenuistriata 45, 53 



yavapai 45, 46 



Orthaulax pugnax 150 



Orthopristis chrvsopterus 112 



Osteulcus '.. 247, 249 



kervillei 248 



Ostrea bolus 192 



I brvani 329 



