xlii 
Proceedings. 
- The Protocouch of Cephalopoda. 
-Carboniferous Cephalopods. 
—-— The Larval Theory of the Origin of Cellular Tissue. 
-Values of the Stages of G-rowth and Decline. 
- Sketch of the Life and Services to Science of Prof. 
Spencer P. Baird. 
Jack, R. L. Geological Observations in British New Guinea in 
1891. 
-- Russell River Gold Field. 
- The Normandy Gold Field. 
Jackson, M. M. Daniel Webster. 
James, J. F. (With U. P. James.) The Genus Scolithus. 
- Additions to Catalogue of Lower Silurian Fossils, Cincin¬ 
nati Group. 
- Conspectus of Twenty Natural Orders to be used in An¬ 
alysis. 
-A Revision of the Genus Clematis of the U. S. 
-Monograph of the Monticuliporoid Corals of the Cincinnati 
Group. 
-Section of the Magdoketa Shales in Iowa. 
-Report of the Executive Board of the Society of Natural 
History. 
—— Illustrations of the Fauna of the St. John Group, No. 1, 
by G. F. Matthew. 
- On the Age of the Mt. Pleasant Ohio Beds. 
-Manual of the Paleontology of the Cincinnati Group, parts 
1 and 2. 
-An Ancient Channel of the Ohio River at Cincinnati. 
-Biography of U. P. James.' 
-Catalogue of Lower Silurian Fossils of the Cincinnati 
Group. 
Janson, A. v. Die Mineralien-Sammlung des Rittergutsbesitzers 
A. von Janson auf Schloss Gerdauen in Ostpreussen. 
Jenssen, E. Beitrage zur krystallographischen Kenntniss or- 
ganiscber Verbindungen. (Presented by Dr. E. Cohen.) 
Jones, M. E. New Plants from Arizona, Utah, and Nevada. 
-New Species and Notes on Utah Plants. 
