. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. THE GENERIC NAMES ETC. 31 stripes) is broken; and their integrant parts, the specks, and spots, resemble confused rows of printing types. I have seen this interruption among the stripes, between the gill-opening and the dorsal fin. It also occurs among the rows below the lateral line, about the middle of the body; and occasionally in other parts ». In the second variety, Mitchill describes rows of dots or spots between each Figure 2 - Roccus saxatilis (Walbaum) (from Bigelow & Schroeder, Fishes of the Gul


. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. THE GENERIC NAMES ETC. 31 stripes) is broken; and their integrant parts, the specks, and spots, resemble confused rows of printing types. I have seen this interruption among the stripes, between the gill-opening and the dorsal fin. It also occurs among the rows below the lateral line, about the middle of the body; and occasionally in other parts ». In the second variety, Mitchill describes rows of dots or spots between each Figure 2 - Roccus saxatilis (Walbaum) (from Bigelow & Schroeder, Fishes of the Gulf of Maine) According to Bigelow & Schroeder (1953), the longitudinal stripes in Roccus saxatilis «may be variously interrupted» (see Figure 2), which suggests that Mitchill's two varieties were based on no more that extreme examples of this variable colour pattern. Jordan & Ever- mann (1896) and subsequent authors have considered both as varieties of Roccus lineatus ( R. saxatilis), but they have recognised Morone interrupta Gill, 1860 as a distinct species (= M. mississippiensis, see below). Gill (1860) based his description on Labrax chrysops of Girard (1859) (non Rafinesque) and he states « The continuity of the bands below the lateral line is interrupted in the posterior half of their length, and they there alternate with their anterior parts ». Gill makes no mention of Mitchill's P. interrupta in his synonymies, although he referred Perca mitchilli Mitchill to the synonymy of Roccus lineatus (Bloch). Jordan & Eigenmann (1887) proposed the name mississippiensis to replace the name interrupta, the latter being regarded as preoccupied since it had been used « for a species of Roccus, a genus at that time merged in Morone ». Although Morone and Roccus are here recognised as distinct,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustratio


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky