. Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text. FIG. 187. Lampsilis cariosus. Adult. 243 MOLLUSCS, VERMES AND HYDROZOA the hinge, which has the margin compressed and considerably surface is smooth, except at the posterior portion, where it is wrinkledand shows a number of radiations from the upper edge of the FIG. i Anaaonta cataracta. Adult. The color is a deep clear green, indistinctly radiated with a darker gree
. Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text. FIG. 187. Lampsilis cariosus. Adult. 243 MOLLUSCS, VERMES AND HYDROZOA the hinge, which has the margin compressed and considerably surface is smooth, except at the posterior portion, where it is wrinkledand shows a number of radiations from the upper edge of the FIG. i Anaaonta cataracta. Adult. The color is a deep clear green, indistinctly radiated with a darker greenand brown. On the inside the silvery nacre is tinged with blue and yellowand has a greenish margin. It reaches a large size and may be 4^ incheslong, 2^. inches broad and \l/2 inch thick, though most of these musselsare about 3 inches long. It usually inhabits ponds and still water andoccurs quite generally on the Eastern Atlantic slope. A. implicata, Fig. 189, is a characteristic species with transverselyoblong, sub-oval, thick, opaque, strong and heavy valves, almost as thickas broad; having the umbones distinct and usually eroded. It has ridgesfrom the lower posterior edge of the umbone to the angular tipof the posterior edge. Thevalves are broadest behind themiddle; the hinge margin isslightly curved. The outer sur-face is rough with coarse lines ofgrowth,of a yellowish-olive colorsomewhat darker above, and the FIG- l89- ^»*« «?«• Youns she11- lines are marked with a d
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectaquariu, bookyear1908
