. Fishes. Fishes. Isospondyli 27; ceous of Mount Lebanon. Many other species are found in the European and American Cretaceous rocks, but are known from imperfect specimens only. Sardinins, an American Cretaceous fossil herring, may stand near Spaniodon. Rhacolepis buccalis and Notelops brama are fotmd in Brazil, beautifully preserved in concretions of cal- careous mud supposed to be of Cretaceous age. The extinct family of Pachyrhizodontidw is perhaps allied to the Elopidaz. Numerous species of Pachyrhizodus are found in the Cretaceous of southern England and of Kansas. The Albulidae.—The Alh
. Fishes. Fishes. Isospondyli 27; ceous of Mount Lebanon. Many other species are found in the European and American Cretaceous rocks, but are known from imperfect specimens only. Sardinins, an American Cretaceous fossil herring, may stand near Spaniodon. Rhacolepis buccalis and Notelops brama are fotmd in Brazil, beautifully preserved in concretions of cal- careous mud supposed to be of Cretaceous age. The extinct family of Pachyrhizodontidw is perhaps allied to the Elopidaz. Numerous species of Pachyrhizodus are found in the Cretaceous of southern England and of Kansas. The Albulidae.—The Alhulidce, or lady-fishes, characterized by the blunt and rounded teeth, are found in most warm Fig. 203.—The Lady-fish, Albula vulpes (LinnEeus). Florida. Albula vulpes is a brilliantly silvery fish, little valued as food. The metamorphosis which the lava undergoes is very remark- able. It is probably, however, more or less typical of the changes which take place with soft-rayed fishes generally, though more strongly marked in Albula and in certain eels than in most related forms. Fossils allied to Albula, Albtda oiveni, Chanoides macroponius are found in the Eocene of Europe; Syntegmodus alius in the Cretaceous of Kansas, In Chanoides, the most primitive genus, the teeth are much fewer than in Albula. Plethodns and Thryptodus, with peculiar dental plates on the roof and floor of the mouth, probably constitute a dis- tinct family, Thryplodontidce. The species are found in Euro- pean and American rocks, but are known from imperfect speci- mens only. The Chanidse.—The Chanidcr, or milkfishes, constitute another small archaic type, found in the tropical Pacific. 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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