no 



I.NUKX OF SPECIES. 



Tbylacodes 



repf lis, 4j. 



Rusei, 43. 



squaiuigura, 43. 

 Tiara 



foraminata, O 185, 261, P 

 460. 



niuricata, 185. 

 Tivela 



arguta, 60. 

 Tonlcia 



Brandti, 317. 



crtintilata, O 317. 



Eschsulioltzii, O 317. 



Forbesii, 252, 317, P 193. 



insigni:*, O 317. 



lineata, 134, 170, 317. 



var. 134. 



liueolata, 134, 170. 



Merckii, 0317. 



Sitcbeusis, 317. 

 Torinla 



areola, 192, P 407. 



bicanaliculata, ^^^. 



grauosa, 259, 333, P 40S. 



rotundata, 36. 



variegata, 24, 32, 63, 69, O 192, 

 O 238, 259, O ?74, O 297, 

 O 33,3, 363, P 407. 

 Tornatella 



punctopaelata, 132, 307. 

 Tornatellina 



Cuniiiigiana, 1S6, 315. 

 Tornatina 



carinata, 37, 97, 133, 194, O 250, 



0313,? 171. 

 cerealis, 23, 133, 227, 313, 



O349, P 171, U 203. 

 cnlcitella, 23, 133, 313, O 349, 



U 203. 

 eximia, 89, 90, 133, 166. 

 inculta, 79, 227, 313, O 351, 



U 203. 

 infreqaens, 154, 194, O 250, 



275,0313,0366,? 171. 

 gracilis, P 171. 



Tracbydermon 



deiitieud, 135. 

 tlecteiis, 135. 

 Gothieus, 98, 135. 

 Hartwegii, 135. 

 inteiistiiicturi, 135. 

 Nuttallii, 113, 135. 

 pseudodeutieua, 98, 135. 

 reteporosu^i, 135. 

 tiifidus, 135. 

 Trapezium 



CaliforniLum, 102, u 306, 



349- 

 Treaus 



capax, 76. 



ni:ixiuius, II, 123, 192. 

 Tribulus 



Caroleiisis, P 4S0. 

 Trichotropis 



Atlanlica, 217. 



bicarinata, 4S, 61, 70, 71, 176, 



O 220, 223, O 328. 

 borealis, 20, 146, 176, 211, 



217, O 223, 328, 347, 



348. 

 cancellata, 20, 114, 147,0 206, 



O 210, 211, 213, 217, 



328. 

 ciliata, 72. 

 coronata, 70, 72. 

 co^tellata, O 217. 

 Gouldii, 40, O 2S8. 

 inermis, 114, 146, 207, 217, 



O328. 

 insignis, 70, 71, 217, 223, 



O328. 

 multicaudata, 70. 

 Sowerbiensis, 61, 220. 

 umbilicata, 217. 

 Trigona 



sequilatera, P 549- 



argentina, 27, O 202, 234, O 



246, O 305, P 58. 

 bicolor, O 366, P 59. 

 Byronensis, O 246, P 54. 

 oorbicula, O 232, 234. 



