Review of North American Palceontology. 683 
R. Etheridge and P. H. Carpenter publish “A Catalogue of the 
Blastoidea in the Geological Department of the British Museum of 
Natural History” in Amer. NATURALIST, Vol. XXXI, p. 68. 
A. F. Foerste publishes in Bull. Sci. Laboratories Denison Uni- 
versity, p. 71, “Coal-Measure Bryozoa from Flint Ridge”; in same, 
p. 89, he has “The Clinton Group of Ohio,” Part II.; in same, 
p- 149, he has “The Clinton Group of Ohio,” Part III.; and in 
Science, Vol. X., No. 248, p. 225, he has “ Recent Methods in the 
Study of Bryozoa.” 
A. H. Foord, in Geol. Mag., New Ser., Dec. III., Vol. IV., p. 
541, has an article “On the Genus Piloceras Salter, as Elucidated 
by Examples lately discovered in North America and in Scotland.” 
Persifor Frazer has “ General Notes—Sketch of the Geology of 
York County, Pennsylvania,” in Proc. Amer. Philos. Soc., Vol. 
XXIIL., p. 391. 
J. S. Gardner, in Geol. Mag., New Ser., Dec. III., Vol. IV., p. 
158, has “The Appearance and Development of Dicotyledons in 
Time”; in Proc. Geol. Ass., Vol. IX., No. 6, p. 433, he has “ Fos- 
sil Grasses,” 
Herbert Goss has an article “On Some Recently Discovered 
Insecta from Carboniferous and Silurian Rocks” in Proc. Geol. 
Ass., Vol. IX., No. 3, p. 131. 
L. P. Gratacap, in Proc. Nat. Sci. Ass. of Staten Island, Extra 
No. 6, March, 1887, has “Preliminary List of Paleozoic Fossils 
found in the Drift of Staten Island”; in Amer. Jour. Sci., Third 
Ser., Vol. XXXIII., p. 374, he has “The Eozoonal Rock of Man- 
hattan Island.” 
James Hall publishes “Appendix A. Catalogue of Translucent 
Sections of Rocks and Fossils” in Thirty-seventh Ann. Rep. N. 
Y. State Mus. Nat. Hist.” ; in Sixth Ann. Rep. State Geologist for 
the Year 1886, p. 41, he has “ Descriptions of Fenestellidæ of the 
Hamilton Group of New York”; publishes Fifth Annual Report 
of the State Geologist for the Year 1885; accompanied by a Geo- 
logical Map of the State. Transmitted to the Legislature February 
16, 1886. Albany: Weed, Parsons and Company, Printers, 1886, 
pp. 1-47, Plates XX VIII.; James Hall and George B. Simpson 
publish Geological Survey of the State of New York. Palontol- 
ogy: Vol. VI. Corals and Bryozoa. Text and Plates. Con- 
