Smithsonian miscellaneous collections . Fig. 70.—Pogonichthys iiiccqnilobns. After Girard. preceding, it has little skinny tags or barbels at the hinder ends ofthe upper jaw bones (one on each side) ; another peculiar character,developed in the adults, is a want of symmetry in the forked tail-fin,the upper lobe being much larger than the lower; furthermore, thefulcral or basal caudal rays are unusually developed. The scalesare rather large (about 65 in lateral line) and well one species is now recognized. The split-tail is the name aptly given to the Pogonichthys macro-lepidotu
Smithsonian miscellaneous collections . Fig. 70.—Pogonichthys iiiccqnilobns. After Girard. preceding, it has little skinny tags or barbels at the hinder ends ofthe upper jaw bones (one on each side) ; another peculiar character,developed in the adults, is a want of symmetry in the forked tail-fin,the upper lobe being much larger than the lower; furthermore, thefulcral or basal caudal rays are unusually developed. The scalesare rather large (about 65 in lateral line) and well one species is now recognized. The split-tail is the name aptly given to the Pogonichthys macro-lepidotus. Its ordinary length is about a foot, but some may attain. Fig. 71.—Mylopharuduii coiiocephalus. that of eighteen inches. According to Jordan (1883), it is verycommon in the Sacramento, and is brought in considerable numbersto the San Francisco market. 3l8 SMITHSONIAN MISCELLANEOUS COLLECTIONS [vOL. 48 All the preceding species of the Pacific coast have been universallyrecognized as Leuciscines; a couple of other west coast types resem-bling them in structure and form, as well as in the short intestinalcanal, but differentiated by molariform pharyngeal teeth, have been
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