. Fishes. Fishes. 45° Phthinobranchii composed of plates which are soldered to the ribs. The small toothless mouth is at the end of a long Fig. 355.—Shrimp-fish, xSoliscus strigatus (Giinther). Riu Kiu Islands, Japan. These little fishes with the transparent carapace look very much like shrimps. Centriscus scutatus {Amphisile) with the terminal spine fixed is found in the East Indies, and ALoliscus strigatus with the terminal spine movable is found in southern Japan and southwards. A fossil species, ALoliscus heinrichi, is found in the Oligocene Fig. 356.—^oKscus ^i«ric/ii Heckel. Eoce
. Fishes. Fishes. 45° Phthinobranchii composed of plates which are soldered to the ribs. The small toothless mouth is at the end of a long Fig. 355.—Shrimp-fish, xSoliscus strigatus (Giinther). Riu Kiu Islands, Japan. These little fishes with the transparent carapace look very much like shrimps. Centriscus scutatus {Amphisile) with the terminal spine fixed is found in the East Indies, and ALoliscus strigatus with the terminal spine movable is found in southern Japan and southwards. A fossil species, ALoliscus heinrichi, is found in the Oligocene Fig. 356.—^oKscus ^i«ric/ii Heckel. Eocene of Carpathia. Family CenfriscidtE. (After Heckel.) of various parts of Europe, and Centriscus longirostris occurs in the Eocene of Monte Bolca. In the CentriscidcB and Macrorhamphosida; the expansions of the hypocoracoid called infraclavicles are not developed. The Lophobranchs. — The suborder Lophobranchii {Xocpos, tuft; ^payxos, gill) is certainly an offshoot from the Hemi- branchii and belongs likewise among the forms transitional from soft to spiny-rayed fishes. At the same time it is a degenerate group, and in its modifications it turns directly away from the general line of specialization. The chief characters are found in the reduction of the gills to small lobate tufts attached to rudimentary gill-arches. The so-called infraclavicles are present, as in most of the Hemi- branchii. Bony plates united to form rings take the place of scales. The long tubular snout bears the short toothless jaws at the end. The preopercle is absent, and the ventrals are seven- rayed or wanting. The species known as pipefishes and sea-horses are all very small and none have any economic value. They are. 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 Jordan, David Starr, 1851-1931. New York, H. Holt and Company
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