GEOGKAPHICAL INDEX. 



The followiug index was compiled in order to present a concise list of 

 the sx^ecies of Nematognathi of each locality where collections have been 

 made. The numbers refer to the serial number of the sj)ecies as given in 

 this pajDer. The figures in parentheses refer to the pages of Pi'ofessor and 

 Mrs. Agassiz's "A Journey in Brazil," where the given localitj' is dis- 

 cussed. 



The map has been compiled with especial reference to the localities 

 where collections have been made. 



Abrolhos, 61. (p. 540). 



Acapulco, 42. West Coast of Mexico. 



Alexo, Lago, 124b, 151, 172, 206, 20S, 317, 321, 334, 400. Near Manaos. 



(p. 294). 

 Altata, 18, 20, 24, 28, 39, 41, 42. West Coast of Mexico. 

 Amable Maria, 288, 291, 416. Pern. 

 Amazons, 32, 67, 70, 67.1, 124e, 145, 147, 151, 152, 153, 156, 161, 183, 185, 



232, 236, 244, 318, 319, 326, .334 (near Kio Negro), 353, 375, 393. 

 Ambyiacu, 114, 116, 124, 160, 177, 2.56, 286, 340, 344, 402, 421, 422, 42-5, 426, 



439, 448, 450, 453, 454, 455, 463, 464, 465, 466. Tributary to Mara- 



non near Nauta. 

 Antilles, 30. 

 AiDure, 67, 75. 



Apurimac, 434 (at an altitude of 2,000 metres), 442. 

 Araguay, 22, 46, 124, 137, 138, 143, 265, 286, 361, 391. 

 Arary, 12, 108, 124a, 14,3, 163, 224, 390, 446. 

 Avary. This should read Arary in the text. 

 Azangaro, Eio, 260. A tributarj' of Titicaca. 

 Bahia, 19, 21, 3.3, 35, 37, 37a, 37b, 46, 61, 83, 88, 230, .365, .366, 367, 402, 



444. (p. 127). 

 Bayano, 64. 

 Bogota, 206, 274. 

 Boliyar, 21, 110, 124, 395. 

 Bon Jardin, 91. 

 Borba, 89, 135, 236. 

 Branco, Eio, 1, 71, 98, 130, 136, 155, 156, 159, 176, 218, 222, 24S, .304, .322, 



344, 346, ,349, 414, 447. (p. 295). 

 Branco, Forte de Eio, 89, 144, 161. 



Brazil, 157, 217, 219, 2.37, 288 (rivers of Central Brazil), 354, 374, 415. 

 Buenos Ayres, 59, 71, 83, 89, 110, 122, 124a, 154, 163, 238, 316, 3.38, 446. 



