24 The American Geologist. January. i90o 
Plesiochelys belviderensis Crag. 
Hyposaurus (?) sp. 
Plesiosaurus gouldii Willist.* 
In September, 1897, while in the employ of the Kansas 
University under Dr. S. W. Williston the writer found a few 
imperfect insect remains in the lower part of the Kiowa near 
the natural Corral not more than a foot above the Champion 
shell-bed. They were sent to Dr. Williston, who forwarded 
them to Dr. Samuel H. Scudder of Harvard University. Dr. 
Scudder indentified them as insects, but stated that they were 
too poor for specific identification. So far as known these are 
the first insects found in the Kansas Cretaceous. 
d. Tra?isition Beds and Dakota Sandstone. 
I. Stratigraphy. 
Above the Kiowa the rocks grade upward through a series 
of transition beds into the leaf-bearing Dakota sandstone. The 
presence of Dakota-like boulders on several hills in the vicinity 
of Belvidere has been noticed by nearly every geologist who 
has worked in the vicinity especially by professors Cragin,f 
Hill;!; and Prosser,§ but the relation of these to the Kiowa was 
first worked out in the fall of 1897 by Dr. Ward and the writer. 
As a result of careful measurements and by the advice of Dr. 
Ward the paper referred to above w^as prepared. 
In this paper the term Medicine beds was applied to the 
series and it was divided on purely stratigraphical grounds into 
four divisions, as follows : 
III. Dakota Group. 
7. Dakota leaf-bearing sandstone. 
II. Medicine Beds. 
6. Reeder Sandstone. 
5. Kirby clays. 
4. Greenleaf sandstone. 
3. Spring Creek clays. 
Ibid., p. 373. 
*Kansas University Quarterly, vol. VI, No. i, p. 57, 1897. 
tBul. W. Col. Lab. Nat. Hist., vol. II, p. 74, 1890. Ibid., p. 77. 
American Geologist, vol. XVI, 383, 1895. Ibid., ji. 382. 
^American Journal Science, vol. I, p. 210, 1895. 
§Loc. cit., p. 118. 
II American Journal Science, vol. V, pp. 169-175, 1898. 
