A treatise on zoology . Fig. 3;! nitidnf, Rich. (After Giinther.) passing back between the sternohyoid muscles, is quite peculiar tothe Teleostei (Figs. 303, 358); similar but paired bones occur inPolypterus. FINS 351 The dermal pectoral girdle is generally remarkable for thebackward and inward prolongation of a styliform postclavicle deeply. Fig. of Erythrichthys nitidus, Ricli., with mouth protracted. (After Giinthin.) embedded in the body-wall (Fig. 452). Almost always the radials ofthe pectoral fin are reduced to three or four short radii and one very

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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology