. The life-histories of the British marine food-fishes. Fishes; Fishes; Fishes. 78 GENERAL SKETCH OF pectoral fins are well defined, rounded anteriorly and pointed posteriorlj^ The liver (arising from the ventral region of the gut) forms a rounded process. The heart has a trumpet-shaped venous end and a boldly flexed arterial portion. The pulsations are now more regular—about per minute. Rounded black chromatophores, or pigment-cells, have appeared on the head and dorso-lateral region of the trunk, but they have no regular linear disposition (Figs. 29—33).. Fig. 33. "View of the head
. The life-histories of the British marine food-fishes. Fishes; Fishes; Fishes. 78 GENERAL SKETCH OF pectoral fins are well defined, rounded anteriorly and pointed posteriorlj^ The liver (arising from the ventral region of the gut) forms a rounded process. The heart has a trumpet-shaped venous end and a boldly flexed arterial portion. The pulsations are now more regular—about per minute. Rounded black chromatophores, or pigment-cells, have appeared on the head and dorso-lateral region of the trunk, but they have no regular linear disposition (Figs. 29—33).. Fig. 33. "View of the head of the same embryo from the front. 2'ird Apj-il, 9th day. By this time the eyes become pigmented with rounded black chromatophores and the pig- ment-spots of the body and tail are more numerous. Three branchial clefts have made their appearance behind the ears. The olfactory bulbs are connected with the nasal pits. The liver has acquired an irregular lobulated appearance, and the gut is a prominent vermiform structure (Fig. 34).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original M'Intosh, William Carmichael, 1838-1931; Masterman, Arthur Thomas, joint author. London, C. J. Clay and sons
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectfishes, bookyear1897
