1891.] Progress of American Invertebrate Paleontology. 333. 
A. Warner notes some casts of Scolithus flattened by pressure, 
in the American Geologist, Vol. V., pp. 35-38. 
In the AMERICAN NATURALIST, Vol. XXIII., pp. 710-712, C. 
L. Webster has a Description of a New Genus of Corals from the 
Devonian Rocks of Iowa; and on pp. 621-625, Contributions to 
the Knowledge of the Genus Pachyphyllum. 
J. F. Whiteaves describes Some New Species of Fossils from 
the Devonian Rocks of Manitoba, in the Transactions of the 
Royal Society of Canada, Vol. VIII., Sec. iv., pp. 93-110, six 
plates. 
H. S. Williams has the Devonian System of North and South 
. Devonshire, in the American Journal of Science, Vol. XXXIX., 
pp. 31-38; and, The Cuboides Zone and Its Fauna: A Discus- 
sion of the Methods of Correlation, in the Bulletin of the Geo- 
logical Society of American, Vol. I., pp. 481-500. 
L. C. Wooster gives a few notes on the fossils of the Permo- 
Carboniferous of Greenwood and Butler counties, Kansas, in the 
American Geologist, Vol. VI., pp. 8-18. 
A. H. Worthen notes certain Cretaceous fossils in the drift 
deposits of Illinois, Geological Survey of Illinois, Vol. VIII., pp. 
1-24; also, Descriptions of Fossil Invertebrates, pp. 69-154 of 
the same publication. 
