. The freshwater fishes of British Guiana, including a study of the ecological grouping of species and the relation of the fauna of the plateau to that of the lowlands . 1. Heterogramma ortmanni Eigenmann. (Type.) 64 mm. No. 2306. 2. Heterogramma steindachneriRegan. 67 mm. No. 2318. 3. Crenicichla alta Eigenmann. (Type.) 170 mm. No. 227-1. >< o w PS <o o sw

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Keywords: ., bookauthoreigenman, bookcentury1900, bookdecade1910, bookyear1912