1921] 



NATURAL SCIENCES OF PHILADELPHIA. 



543 



(Scapharca) proletaria 

 (Scapharca) sobrina . 



(Argina) tolepia 



t. rrassicardinis 



t. saxca 



. 404 

 . 403 

 .. 406 



407 



406 



t. scapularis 407 



iimbonat a 403 



Architoctonica quadriseriata 379 



Argyresthia oreasella 14 



Aristotelia rubidella 6 



Astasia niobilis 152 



Astraea domingensis 396 



Atarba megaphallus 59 



Atlanta cordiformis 315 



neronii 315 



rotundata 314 



Atrina sp 408 



Atys (Aliculastrum) caribaea 313 



cinctorii 311 



sulculorum 311 



Aulostomus chinensis 439 



maculatus . 439 



Auieolaria caiycosa 512 



dispersa . 511 



flava macrantha 511 



grandiflora 510 



g. cinerea 510 



g.serrata 511 



pectinata 509 



virginica 510 



Aurinia striata 339 



Beryl 192 



Bicoeca exilis 117 



Biotite 170-172, 177-182, 185, 



191, 192 



Bittium asperoides 375 



yaquense 375 



Blaberus fraternus 290 



giganteiis 213 



Blaptica dubia 290 



interior 286 



Blatta orientalis 285 



Blatella germanica . 264 



Borkhausenia haydenella . . 12 



Borsonia recurvirostris 326 



(Paraborsonia) varicosa 325 



Brachycola tubsrculata 252 



Brachypremna basilica 92 



breviventris 92 



Candida 91 



dispellens 92 



uniformis 92 



williamsoni 92 



Bramia minnieri 474 



Brookite 186, 192 



Buchnera americana 527 



elongata obtusa 528 



Bullaria paupercula 313 



solida 313 



Bursa amphitrites 360 



bifoniopsis 360 



crassa proavns 360 



Cadulus colobus 401 



depressicoliis 401 



clegantissiiiius 401 



phenax 400 



Caecum ancllifor 378 



(Meioceras) constrictum 378 



Calcite 186 



Calliostoma leve 396 



Calyptraea centralis 385 



Cancellaria barretti 332 



epistomifera 333 



gabbiana 334 



ellipsis 333 



guppyi 333 



(Trigonostoma) insularis 334 



larvescens 333 



rowelli 333 



Candona rogorsi 28 



Capulus inornatus 384 



Cardium (Trachycardium) domin- 



icanum 420 



(Trachycardium) domincense 421 



(Trigoniocardia) haitense 421 



(Laevicardium) serratum 421 



tintinnabularum 421 



(Laevicardivmi) venustum 421 



Cariblatta mesembrina 258 



Cassis inflata monilif era 361 



sulcifera 360 



(Cypraecassis) testiculus 361 



Castilleja citrina 532 



coccinea . 533 



indivisa . 534 



labiata .. 530 



lanata . 532 



latebracteata . 533 



lindheimeii 531 



purpurea . 531 



sessiliflora . 530 



Centriscops humerosus ... . 440 



Centriscus scutatus ..' 441 



strigatus 441 



Ceratocheilus americanum .91 



Cerithium dominicense ... . 370 



(obesum?) gurabense . 372 



microlineatum . 369 



obesum . 371 



obesum harrisi 372 



obesum ventricosior . . 371 



simplex ... 372 



turriculum 370 



vmiseriale .. 370 



(?) venustum 373 



Ceuthobia 292 



fulvella 295 



