47^ 



Unio inflatus ? 

 infurcatus,. 

 instructus, 

 insulus, 

 interventus. 

 Iris, 

 irrasus, 

 irroratus, 

 Kleinianus., 

 lachrymosus. 

 lapillus, 

 laevissimus, 

 lens, 

 lepidus, 

 Lewisii, 

 ligamentous, 

 limatulus, 

 lineatus, 

 lugubris. 

 luteoluSj 

 macer, 

 macrodon. 

 medius, 

 Meredithii, 

 metanervis, 

 micans, 

 monodontus, 

 Morcerii, 

 multiradiatus ? 

 Nashvillensis, 

 nasutus, 

 negatus, 

 Neusensis f 

 nigellus, 

 nocturnus, 

 Northamptonensis, 

 Novi-Eboraci, 

 nux, 

 obesus, 

 obliquus, 

 obscurus, 

 obtusus, 

 occidens, 

 ochraceus, 

 Ocmulgensis, 

 orbiculatus, 

 ornatus, 

 ovatus. 



INDEX. 



485 



Unio patelloides, 



407 



patulus, 



82 



paulus, 



53 



pauperculus, 



84 



pallidofulvus, 



419 



penitus, 



91 



percoarctatus 



433 



permiscus, 



404 



perpastus, 



431 



perplexus, 



423 



perradiatus, 



425 



personatus, 



428 



piceus, 



389 



piger, 



71 



plancus, 



424 



plicatus, 



407 



porphyreus, 



407 



prasformis, 



414 



pressus, 



402 



propinquus, 



202 



pustulatus, 



193 



pustulosus, 



78 



purpuratus, 



65 



purus, 



430 



Pybasii, 



59 



pyramidatus, 



422 



radiatus, 



209 



rangianus, 



426 



rectus, 



439 



retusus, 



403 



Riddelii, 



76 



ridibundus, 



60 



rostrum, 



409 



rubidus, 



380 



rubiginosus, 



190 



Sampsonii, 



419 



Sayi, 



439 



securis, 



404 



Shepardianus, 



441 



Showalterii, 



442 



Sloatianus, 



406 



solidus, 



418 



soleniformis. 



455 



spadiceus, 



95 



speciosus, 



430 



Spillmanii, 



85 



splendidus, 



435 



squameus. 



383 

 422 

 ■ 402 

 99 

 83 

 440 

 59 

 102 

 69 

 420 

 66 

 442 

 379 

 387 

 81 

 431 

 79 

 384 

 423 

 63 

 429 

 428 

 436 

 61 

 67 

 433 

 411 

 426 

 426 

 433 

 198 

 442 

 201 

 95 

 416 

 192 

 416 

 431 

 415 

 73 

 48 

 429 

 422 

 55 

 207 

 98 

 414 

 200 



