110 



INDEX OF SPECIES. ' 



Thylacodes 



re pens, 43. 



Riisei, 43. 



squauiigera, 43. 

 Tiara 



forainiuata, 185, 261, P 

 460. 



muricata, 185. 

 Tivela 



arguta, 60. 

 Tonicia 



Brandti, 317. 



cremilata, 317. 



Eschsclioltzii, 317. 



Forbesii, 252, 317, P 193. 



insignis, 317. 



lineata, 134, 170, 317. 



var. 134. 



lineolata, 134, 170. 



Merckii, 0317. 



Sitclieusis, 317. 

 Torinia 



areola, 192, P 407. 



bicanaliculata, 333. 



granosa, 259, 333, P 408. 



rotundata, 36. 



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

 238, 259, 274, 297, 

 333, 363, P 407. 

 Tornatella 



punctocselata, 132, 307. 

 Tornatellina 



Cuinitigiana, 186, 315. 

 Tornatina 



carinata, 37, 97, 1 33, r 94, 250, 



0313, P 171- 



cerealis, 23, 133,0 227,0 313, 



0349, P 171,^203. 

 culcitella, 23, 133, 313, 349, 



U203. 



eximia, 89, 90, 133, 166. 

 incalta, 79, 227, 313, O 351, 



U20 3 . 



infrequens, 154, 194, 250, 



275,0313,0366, P 171- 

 gracilis, P 171- 



Trachydermon 



dentieiis, 135. 



flecteus, 135. 



Gothicus, 98, 135. 



Hartwegii, 135. 



interstiuctus, 135. 



Nuttallii, 113, 135. 



pseudodeutiens, 98, 135. 



reteporosus, 135. 



trifidus, 135. 

 Trapezium 



Californicum, 102, 0' 306, 



349- 

 Tresus 



capax, 76. 



maximus, ir, 123, 192. 

 Tribulus 



Caroletisis, P 480. 

 Trichotropis 



Atlantica, 217. 



bicarinata, 48, 6 1, 70, 71, 176, 

 220, 223, 328. 



borealis, 20, 146, 176, 211, 

 217, 223, 328, 347, 



348. 

 cancellata, 20, 114, 147, 206, 



210, 211, 213, 217, 



328. 



ciliata, 72. 

 coronata, 7i 7 2 - 

 costellata, 217. 

 Gouldii, 40, 288. 

 inermis, 114, H^, 207, 217, 



0328. 

 insignis, 70, 71, 217, 223, 



0328. 



wmlticaudata, 70. 

 Sowerbiensis, 61, 220. 

 umbilicata, 0217. 

 Trigona 



sequilatera, P 549- 



argentina, 27, O 202, 234, 



246, 305, P 58. 

 bicolor, 366, P 59. 

 Byronensis, O 246, P 54. 

 corbicula, O 232, 234. 



