ACTINOrTERYGIT. 
9 
Anogmius polymicrodus, Stewart. 
1898. Beryx ? polymicrodus, A. Stewart, Kansas Univ. Qua 1 ' 1 - t 
vol. vii. p. 195. 
1899. Anogmius polymicrodus, A. Stewart, ibid. vol. viii. P- 1 ’ 
pi. xxxi. 
1900. Osmeroidcs polymicrodus, F. B. Loomis, Pal/eontogr. vol xl"- 
P- 256, pi. xxv i. tigs. 1-4. 
type. Imperfect fish ; Kansas University Museum. , 
A large species probably attaining a length of about 2‘5. h® 11 ” 
of head with opercular apparatus equalling about two thirds t 
maximum depth of the trunk. Cranial roof coarsely rugose, 811 
snout tapering to an obtuse point; length of orbit contained thr *® 
times in the length of the cranium and twice in its interorbi a 
width. 
This species soems to differ from A. aratus in its relatively l ar ^J 
orbit; from A. evolutus in its less numerous longitudinal series 
mandibular teeth ; and from A. favirostris in the ornamentation 0 
the cranium and its pointed snout. ^ 
Form. 4" hoc. Upper Cretaceous (Niobrara Group): Kansas, U.S-> ’ 
P. 9202. Head and abdominal region ; near Elkadcr, Logan 
Kansas. Length of head with opercular apparatus 9 ^ 
that of trunk from pectoral arch to position of pelvic ^ 
0‘65. The characteristic cranium is exposed from abov > 
and the cheek-plates of the right side are well preserve 
Nearly 40 vertebra; are shown in the length of 
mentioned, and the ribs extend to the ventral borde^ 
Only a few of the supports of the dorsal fin remain , ' 
the paired fins are preserved, one pectoral being especia } 
well displayed on the flank. The scattered scales are 
moderately thick, showing only lines of growth , t 7 
appear to have been deeply overlapping. Purchased , 1 
The following imperfectly known species are not represented 
the Collection 
Anogmius aratus, E. D. Cope, Bull. U.S. Geol. Surv. Territ- 
vo1 - .«»• (1877), p. 585.— Upper Cretaceous (Niobrara 
Group) ; Kansas. [The type species. Imperfect fasD, 
showing part of dorsal and anal fins.] 
Anogmius evolutus, E. D. Cope, Proc. Amor. Phil. Hoc. vol- ■ 
(18/8), p. 179 . Osmeroidcs evolutus, F. B. Loomis, ? a 
