420 



CALIFORNIA ACADEMi :?w SCIENCES. 



Turbouilla gibbosa 19, 46 



(Pyrgolampios) gibbosa 279 



laminata 19, 22, 28, 31, 46, 55 



(Pyrgiscuhis) laminata 277 



latifundia 46 



(Pyrgiscus) latifundia 275 



lowei 19, 22, 28, .31, 46, 279 



(Pyrgolampros) lowei 278 

 Tar. pedroana 279 



mexicana 280 



muricata 19, 22, 46 



(Strioturbonilla) muricata 270 



pentalopha 19, 46 



(Laucea) pentalopha 274 



pticatida 269 



plicalulus 269 



similis 19, 22, 31, 46 



(Strioturbonilla) similis 270 



stearnsii 22, 23, 28, 31, 46, 270, 271 



(Strioturbonilla) stearnsii 271 



subcuspidata 19, 22, 28, 31, 46 



(Pyrgiscus) subcuspidata 277 



tenuicula 19, 22, 28, 31, 46, 276 



(Pyrgiscus) tenuicula 275, 276 



torquata 19, 46, 272 



var. stylina 19. 22, 46, 271 



(Strioturbonilla) torquata 271 

 var. stylina 272 



tridentata 19, 22, 31, 46, 52, 273 



(Lancea) trideutata 273 



typica 269 

 Turcica {Plyckstytiis) cnfua 327 

 Turckula cidaris 334 

 Turritella 83, 300 



apicalis 300 



cooperi 15, 17, 19, 22, 24, 25, 28, 31, 32, 46, 54, 

 56, 66, 57, 64, 83, 300, 301 



jewettii 15, 19, 24, 25, 28, 46, 83, 300, ,301 



aanguinea 300, 301 



terebra 300 

 Turritellidii- 8.3, .300 



Urolophcs 85, 346 



halleri 28, 47, 85, .346 

 Uroxalphix cnitcellinus 257 



Venus corlizl 147 



fluctifraga 27, 147 



(Chioiie) fluctifraga 38, i'7 



fflbhosula 147 



gnidia 27, 67, 147 



(Chione) gnidia 38, 147 



kcnnerlcij) 146 



Innullifera 149, 150, 155 



lapicida 154 



maxivia 151 



neglecta 27, 31, 148 



(Chione) neglecta 38, 148 



tmUalli 149 



perlaminosa 51, 52, 75, 146 



rhjida 150, 151 



rysonia 153 



sectirix 149 



simillima 15, IS, 23, 2.5, 27, 31, 148 



(Chione) simillima 38, 148 



slnminen 150 



succincta 23, 2.5, 27, 31, 149 



(Chione) succincta 38, 149 



InntiUiis 153 



verrucosa 146 

 VermetidiP 83, 299 

 Verinetus squnniigeriis 299 

 Vermicularia 19, 46, 83, 299 

 Vertebrata 85, 346 

 Verticordia 73, 126 



cardiiformis 126 



novemcostata 18, 38, 73, 126 



oriiata 126 

 Verticordiid* 73, 126 

 Vitriuella 64, 85, 335 



anomalii 335 



williamsoni 19, 28, 46, 85, 335 

 Vitul'tria aspcra 257 

 Vola 57 



dcnlata 104 

 t'olv'irin nlbn 192 

 Volvarina 79, 222 



varia 19, 22, 24, 25, 28, 31, 46, 64, 79, 222 

 Volvula 77, 191 



acuminator 191 



cylindrica 19, 46, 64, 77, 191 



Veneracea 74, 142 

 Venericardia 74, 128 



barbareusis 15, 17, 18, 25, 27, 32, .38, 52, 74, 128 



borealis 57 



var. vcntrkona 128 



planicostata 128 



ventricosa 15, 17, 18, ,38, 52, 56, 57, 64, 128 

 Veucridic 74, 142, 147 

 Venerin.-G 74, 142 

 Veneruph cordieri 155 

 Venus 75, 146 



bisc.cta 135 



brevitineata 149 



californica 149 



callona 145 



YoLUiA 72, 99 



amygdala 100 



arctica 99 



cooperi 27, 38, 55, 64, 72, 99, 100 



hnpresfia 99 



myalis 99 



scissurata 18, .38, 72, 99, 100 



ZiRPii.KA 77, 183 



crispatn 56, 184 



gabbii 2.3, 2.5, 27, 31, .32, 38, 56, 77, 1S4 

 Zizyphinux amtulalits 329 



cannliciil'ttus 329 



ftlosus 330 

 Zygobrauchia 85, 336 



