. A guide to the study of fishes. Fishes; Zoology; Fishes. Fig. 19.—Caturus dongatus Agassiz. Jurassic. Family Isopholidce. (After Zittel.) to rings. The mouth is large, with small teeth, and formed as in the Isospondyli. The caudal is scarcely heterocercal. Fig. 20.—Notagogus pentlandi Agassiz. Jurassic. Family Macrosemiidw. (After Woodward.) Of PJiolidopJwrus, with scales joined by peg-and-socket joints and uniform in size, there are many species. PJiolidopJiorns. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colo

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. A guide to the study of fishes. Fishes; Zoology; Fishes. Fig. 19.—Caturus dongatus Agassiz. Jurassic. Family Isopholidce. (After Zittel.) to rings. The mouth is large, with small teeth, and formed as in the Isospondyli. The caudal is scarcely heterocercal. Fig. 20.—Notagogus pentlandi Agassiz. Jurassic. Family Macrosemiidw. (After Woodward.) Of PJiolidopJwrus, with scales joined by peg-and-socket joints and uniform in size, there are many species. PJiolidopJiorns. 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

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfishes, booksubjectzo