. 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 . ^ 0J w >? : 01 o o o CO o CO CD aH ZZ azw© W =oss o B s. o-e Memoirs Carnegie Museum, Vol, V. Plate 1. Centromochlusaulopygius Kner. 65 mm. No. 1727. 2. Psendauchenipterus nodosus (Bloch). 3. Tympana pleura pipcrata Eigenmann. (Type.) (>4 mm. No. 1708. No. x: x H >o 3Wco ow Z o CO

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Keywords: ., bookauthoreigenman, bookcentury1900, bookdecade1910, bookyear1912