﻿416 



Unio piriformis, 

 quadrans, 

 quadratus, 

 radians, 

 radiatus, 

 Raeensis, 

 rectus, 

 retusus, 

 Roswellensis 

 rostriformis, 

 Rowellii, 

 rubellinus, 

 rudus, 

 rufus, 



Kutersvillensis, 

 rutilans, 

 Saladoensis r 

 Savannahensis, 

 scamnatus, 

 scitulus, 

 secuxis, 



Shanghaiensis,. 

 Sikkimensis, 

 similis, 

 spatulatus, 

 spissus, 

 stramineus, 

 subangulatus., 

 subellipsis, 

 subflavus, 

 subgibbosus, 

 subniger, 

 subulatus, 

 sudis, 



Sumatrensis, 

 tenebricus, 

 tetricus, 

 Texacensis, 



INDEX. 





69 



Unio Thwaitesii, 



•246 



360 



triangularis, 



48 



338 



umbrans, 



72 



201 



undulatus, 



48 



48 



ventricosus, 



224 



331 



verutus, 



335 



47 



vicinus, 



61 



47 



vireus, 



80 



20b 



virescens, 



341 



64 



viridans, 



237 



256 



viridicatus, 



87 



70 



viridiradiatus, 



236 



266 



vittatus, 



249 



85 



Wilsonii, 



256 



356 



Woodwardianus, 



47, 199 



46, 59 



Wynegungseensis, 



271 



370 



Unionidae, Embriotic forms of 



43 



81 



Exotic, 



235 



259 



New of the U. S., 



51, 191, 327 



342 



" of Mexico, 



327 



47 



Unzela, 



134 



242 



Japyx, 



134 



251 







91 



Venilia trapezoidea, 



282 



47 



Venus Ripleyana, 



893 



208 



Meekeana, 



894 



223 



Volutilithes bella, 



800 



50 



biplicata, 



300 



62. 



Conradi, 



800 



90 



Eufalensis, 



286 



53 



limopsis, 



292 



196 



nasuta, 



300 



82 



rugata, 



292 



194 



SafFordii, 



300, 304 



239 



Volvula Conradiana, 



386 



83 



minutissima, 



386 



195 







359 



Xylophanes Drancus y 



157 



