96 HAY—VERTEBRATES OF CARBONIFEROUS AGE. [March 16, 
Communications entitled ‘‘ Descriptions of Some Verte- 
brates of the Carboniferous Age,’’ by O. P. Hay, of the 
American Museum of Natural History, and ‘‘ Native Tribes 
of Western Australia,’’ by R. H. Mathews, were presented. 
The Society was then adjourned by the presiding officer. 
DESCRIPTIONS OF SOME VERTEBRATES OF THE 
CARBONIFEROUS AGE. 
(Plate VII.) 
BY O. P. HAY, 
OF THE AMERICAN MUSEUM OF NATURAL HISTORY, NEW YORK, 
(Read March 16, 1900.) 
The following descriptions are based partly on materials which 
belong to the United States National Museum, partly on materials 
collected by members of the United States Geological Survey, and 
partly on a small ,but very interesting collection which belongs to 
Mr. L. E. Daniels, of La Porte, Indiana. In the last-named col- 
lection are included several specimens of a fossil fish which proba- 
bly belongs to Dr. Newberry’s L/onichthys peltigerus and one speci- 
men of Prof. Cope’s Amphibamus grandiceps. 
A few scales of fishes have also been received for examination 
from the Peter Redpath Museum, Montreal. 
Dirropus Latus (Newb.). 
Diplodus latus, Newberry, J. S., Proc. Acad. Nat. Sct. Phita., viii, 
1856, p. 99; Newberry and Worthen, Geo’. Surv. Lllinois, 
ii, 1866, p. 59, Pl. iv,, Figs. 1-8; Newberry, J.°S.4.Geae 
Surv. Ohio, i, 1873, Pt. 2, p. 3365, Geol. Surv. Ohio, items. 
Pt. 2, p. 44, Pl. lviii, Figs. 1-1"; Woodward, A. S., Caz. Foss. 
Fishes, Pt. i, 1889, p. 12; Destinez,’"P., 427; SoriGeee 
Belg., xxiv, 1898, p. 220. 
Dissodus latus, Miller, S. A., WV. Amer. Geol. and Patl., 1889, 
ps 714. 
A nodule bearing Mr. Daniels’ No. 17, from Mazon Creek, IIli- 
nois, had originally enclosed a tooth of this species of Elasmo- 
branch. ‘The tooth itself had been almost wholly dissolved out of 
