604 



MUSEO NACIONAL DE BUENOS AIRES. 



Struthiolaria, 30, 31, 82, 91, 171, 489, 491, 



492, 498-500, 515, 549. 

 Struthiolaria Ameghinoi, 67, 99; 109, 113, 



171, 172, 215. 

 Struthiolaria Ameghinoi multinodosa, 



172. 

 Struthiolaria chilensis, 172, 343. 

 Struthiolaria chilensis fuegiana, 333, 



343. 

 Struthiolaria cincta, 86. 



Struthiolaria densestriata, 28, 67, 99, 171) 



172. 

 Struthiolaria Hatcheri, 333, 343. 

 Struthiolaria ornata, 99, 108, 171, 172. 

 Struthiolaria prisca, 28, 31. 

 Struthiolariopsis, 171, 491. 

 Surcula clara, 218. 

 Sveltia, 213. 

 Sveltia major, 101, 215. 

 Sveltia varicosa, 215. 



T. 



Tagelus, 361, 529, 538, 540. 



Tagelus Dombeyi, 525. 



Tagelus gibbus, 423, 425, 456, 462, 517, 



530, 532, 538. 

 Tagelus gibbus entrerianus,358-360. 387. 

 Tapes, 92, 296. 

 Taria, 522. 



Tectarius muricatus, 531. 

 Tectura Muelleri, 436. 

 Telliua, 30, 92, 314, 501. 

 Tellina Burmeisteri, 27, 31. 

 Tellina exilis, 532. 

 Tellina Foncki, 314. 

 Tellina gibber, 423, 424, 456. 

 Tellina Iheringi, 423, 457. 

 Tellina interrupta, 530. 

 Tellina Ortmanni, 313-315. 

 Tellina patagónica, 105, 108, 109, 315. 

 Tellina patagónica camaronesia, 105, 



315. 

 Tellina perplana, 311, 313. 

 Tellina platensis, 358, 387. 

 Tellina radiata, 531. 

 Tellina santacruzensis, 314. 

 Tellina tehuelcha, 313. 

 Tellina yeguaensis, 105, 109, 315. 

 Tenagodus, 165, 501. 

 Tenagodus Cossmanni, 99, 109, 1()6. 

 Tenagodus speciosus, 166. 

 Terebra, 92, 216-218, 432, 501, 526. 

 Terebra cinérea, 533. 

 Terebra costellata, 216, 217. 

 Terebra discors, 216. 

 Terebra flammea, 432, 435. 

 Terebra gemmulata, 216, 422, 448. 

 Terebra patagónica, 448. 

 Terebra quemadensis, 101, 216, 217. 

 Terebra quemadensis santacrucensis, 



216. 

 Terebra santacrucensis, 101. 

 Terebra subaequalis, 216. 



Terebra undulifera, 82, 101, 216-218. 

 Terebratella, 471, 472. 

 Terebratella aff. patagónica, 480. 

 Terebratella concéntrica, 477. 

 Terebratella dorsata, 440, 470-472. 474 ; 



478, 

 Terebratella flexuosa. 470-472, 478. 

 Terebratella gigantea, 470, 479. 

 Terebratella grávida, 476. 

 Terebratella Lahillei, 470, 480. 

 Terebratella patagónica, 476. 

 Terebratella tehuelcha, 470, 479. 

 Terebratella venter, 355, 470. 

 Terebratella venter ijyramidesia, 470» 



479. 

 Terebratula, 471, 476. 

 Terebratula Moseleyi, 472. 

 Terebratula patagónica, 476. 

 Terebratula uva, 471, 472. 

 Terebra tulina, 470-472, 474. 

 Terebratulina Crossei, 472. 

 Terebratulina Ortmanni, 470. 

 Teredo, 91. 

 Thyasira, 288, 505. 

 Thyasira chilensis, 516. 

 Thyasira flexuosa, 516, 517. 

 Tirgonia, 92. 

 Tivela, 298, 361, 362, 486, 487, 496, 529» 



540. 

 Tivela argentina, 359, 384. 

 Tivela fulminata, 359, 360. 384, 538. 

 Tivela fulminata oblonga, 358, 384. 

 Tivela Isabelleana, 358, 385, 423, 452. 

 Tivela oblonga, 384. 

 Tivela perplexa, 385, 452. 

 Tivela trigonella, 385. 

 Tivela ventricosa, 536. 

 Toledonia, 502, 504. 

 Tonicia, 504. 

 Tornatina, 424, 501, 503. 

 Tornatina camaronesia, 96, 435. 



