. Geological magazine. Americak Jurassic Mammals. -Geol. Mag. 1887. Decade III. Vol. IV. Pl. American Jurassic Mammals. THE GEOLOGICAL MAGAZINE, NEW SERIES. DECADE III. VOL. IV. No. VII.—JULY, 1887. OI^Ia-I^s^. . I.—American Jurassic Mammals. By Professor 0. C. Marsh, , , (PLATES VIII. AND IX.) {Concluded from page 247.) Drtolestid^. THE first American mammal found in the Jurassic, and a largeproportion of those since discovered, belong to a peculiar familywhich the writer has called the Dryolestidcs. It includes severalgenera and numerous species from Ame
. Geological magazine. Americak Jurassic Mammals. -Geol. Mag. 1887. Decade III. Vol. IV. Pl. American Jurassic Mammals. THE GEOLOGICAL MAGAZINE, NEW SERIES. DECADE III. VOL. IV. No. VII.—JULY, 1887. OI^Ia-I^s^. . I.—American Jurassic Mammals. By Professor 0. C. Marsh, , , (PLATES VIII. AND IX.) {Concluded from page 247.) Drtolestid^. THE first American mammal found in the Jurassic, and a largeproportion of those since discovered, belong to a peculiar familywhich the writer has called the Dryolestidcs. It includes severalgenera and numerous species from America, and is likewise repre-sented among the forms found in Europe. The type species of the group, Dri/olestes prisons, was based upona characteristic lower jaw, although the 8j)ecimen was nearly complete lower jaw of the species is represented on PlateVIII. Fig. 2. An allied species, Dryolestes vorax, is shown on thesame Plate, by Figures 3 and 4. Stylacodon, Asthenodon, and Laodon,other genera of this family, are likewise represented on the samePlate. The upper jaws of sever
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