774 



INDEX. 



Trachycorystes magdalenae, 315, 396 

 obscurus, 322, 396 

 paseae, 327 

 porosus, 396 

 robustus, 322, 396 

 striatulus, 337, 341, 396 

 trachycorystes, 396 



typus, 395, 396 

 Trachypoma, 400 



marmoratum, 400 

 Traill, T. S., 487 

 Tres Marias Ids., 137, 138 

 Trichomycterida, 244 

 Trichomycterus, 247, 248 



areolatus, 251, 291 



barbatula, 399 



brasiliensis, 373 



dispar, 373 



gracilis, 399 



inca, 399 



inermis, 246, 291, 398 



maculatus, 249, 291 



nigricans, 247 



pentlandi, 399 



pictus, 399 



prodps, 374 



pusillus, 401 

 Trichophocaceae, 100 

 Tridens, 245, 400 



brevis, 400 



melanops, 400 

 Trifarcius riverendi, 456 

 Trinectes, 483 



Trinidad, 45, 263, 311, 327, 354, 355, 356, 358, 

 36i 



Channel, 519, 658 

 Triportheus, 440 



flavus, 440 

 Tristan d'Acunha, 97 

 Triurobrycon, 430 

 Trocheta, 674 



Troschel, F. H., 450, see also Miiller, J. 

 Trygon aiereba, 378 



garrapa, 378 



henlei, 378 



hystrix, 378 



Trygon orbicularis, 378 



Tryon, G., 549 



Tryonia, 569, 570 



Tschudi, J. J. von, 113, 117, 133, 489 



Tuco-Tuco, 24, 34, 42 



Tulotoma, 569 



Turbo minutus, 553 



Turin, University of, 687 



Turner, W., 109, 129, 130 



Turtle, 138 



Tylomys, 44 



Tylosurus, 462 



acus, 462 



almeida, 325, 462 



amazonicus, 346, 462 



cantraini, 462 



fluviatilis, 314, 462 



marinus, 301, 462 



microps, 325, 462 



scapularis, 462 

 Typhlobagrus, 335, 387 



kronei, 374, 387 



{JARU, 469 



amphiacanthoides, 326, 469 



imperialis, 469 



obscurum, 469 

 Uarus cenlrarchoides, 475 

 Ulrey, A. B., 501 

 Uncia, 167 

 Uncia, 167 

 Unger, F., 294 

 Ungulata, 10 

 Unibranchapterura, 450 



grisea, 451 



lineata, 451 

 Unio, 294, 628 



frenzellii, 610 



patagonica, 610 

 Unionidae, 293, 514, 515, 613, 615, 616, 626, 



628, 632 



United States, 45, 46, 143, 230, 252, 260, 279, 

 297, 36i, 563. 631, 653, 654, 655, 657, 687 

 Uraptera, 377 

 Urocoptidae, 613, 622, 625 



distribution of, *625 



