252 



THE AMERICAN CHARACIDAE. 



Catalogue 

 number 



3253 C. 



3254 C. 



3255 C. 



3256 C. 



3257 C. 



3258 C. 



3259 C. 



3260 C. 



3262 C. 



3261 C. 



3263 C. 



3264 C. 



3265 C. 



3266 C. 



3267 C. 



3268 C. 



3269 C. 



3270 C. 



3271 C. 



3272 C. 



3273 C. 



3274 C. 



3275 C. 



3276 C. 



3277 C. 

 13626 I. 

 13760 I. 



Number of 

 specimens 



41 

 33 



4 

 12 



9 



2 



3 

 23 



1 



4 

 17 

 17 



4 



3 

 33 



2 



9 



2 

 2 



2 

 10 

 312 



2 



8 



1 



1 

 60 



Size 

 in mm. 



64-79 



54-109 



76-86 



48-68 



57-77 



87 



70-78 



37-56 



84 



98-115 



60-118 



37-58 



46-61 



78-145 



36-76 



60-68 



55-61 



109 

 41-46 



41^6 



25-102 



33-57 



59-92 



53-79 



42 



largest 95 mm. 



Locality 

 Entre Rios 



Campos, June 13-14, 1908 

 Muniz Freire 

 Sao Joao da Barra 

 Lagoa Feia, Tocas 

 Barra da Pirahy 

 Jacarehy 

 Sao Joao del Rei 

 Rio Paranahyba Bridge, Goyaz 

 Sao Joao del Rei 

 Jaguara 

 Mogy Guassu 

 Bebedouro 

 Piracicaba 

 Salto Avanhandava 

 Itapura • 



Miguel Calmon, a lake four miles 



from town 

 Xiririca, Rio Iguape 

 Porto Alegre, a creek west of Rio 



Grande do Sul 

 Cacequy 



Uruguaj- and Uruguay Basin 

 Porto Alegre 

 San Joaquin 

 Barragan^a 

 Para 



Barrigon, Rio Meta Gonzales Coll. 



Santa Anna, Rio Uru- E. Heller Coll. 



bamba, 3,400 ft. 



■ Head 3.5-4.3; depth 2-2.6; D. 11; A. 21-43'; scales 6 to 8-31 to 41^-5 

 to 7; eye about 3, interorbital 2.3-2.4 in the head. 



More or less regularly elliptical, varying from regularly elliptical to sub- 

 rhomboidal; compressed but not excessively so. Preventral area rounded, 

 without a median series of scales. Predorsal area narrowly rounded, a little 

 broader than the postventral area; a few median scales near the dorsal, then 



1 A. .31; scales 8-38-7 (to ventrals). 



2 The specimens furnish an interestinp; variant. The lateral line is 35 in three, 36 in two, 37 in 

 three, and 38 in one. The anal is 25 in one, 20 in two, 27 in four, 28 in one and 43 in one. The 43 rays 

 occupy the same space occupied by the 27 in the others. The scales over the muscles of the anterior 

 part of the fin are also much smaller and more numerous. The last ten rays occupy as much space as the 

 last nine rays in normal specimens and over these the scales are normal. 



^ See p. 255 for details. 

 ' See p. 255 for details. 



