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PROCEEDINGS OF THE TEXAS ACADEMY OF SCIENCE. 
Austin, June 14, 1892. 
Address by the President, Dr. Edgar Everhart. 
Some of the Problems of Biology; Dr. Charles L. Edwards. 
* The Development of the American Trotter: A Study- in Animal 
Physics; Prof. George W. Curtis. 
* The Occurrence of Volcanic Dust in Texas; E. T. Dumble. 
A New Theorem in the Integral Calculus; H. Y. Benedict. 
The Theorem of Limits; I. H. Bryant. 
Austin, October 1 , 1892. 
Modern Theory of Multiplication; Dr. George Bruce Halsted. 
Paper by Prof. Cragin, member of the Geological Survey. 
The Eochester Meeting of the American Association for the Advance¬ 
ment of Science; A. Macfarlane. 
Austin, November 5, 1892. 
The Geology of Benton County, Arkansas; Dr. Frederic W. Simonds. 
(For Abstract, see page 115.) 
A Texas Mylodon Specimen, and Record of Previous Observation; E. 
T. Dumble. 
The Fundamental Geometrical Concepts; I. H. Bryant. 
Austin, December 3, 1892. 
On a Logical Problem in Physics; A. Macfarlane. 
A New Method of Forming the Conic Sections; L. E. Dickson. 
The Rain-Making Experiments at San Antonio; A. Macfarlane. 
Galveston, December 31, 1892. 
* Maternal Impressions and Transmissions of Mutilations; Dr. James 
E. Thompson. 
* The Non-Metallic Mineral Resources of the State of Texas; W. H. 
von Streeruwitz. 
Potable Water from the Chemical Standpoint; Dr. Edgar Everhart. 
* Rain-making; Dr. A. Macfarlane. 
School Ventilation; Dr. C. L. Gwyn. 
Note on the Occurrence of Jet in Texas; E. T. Dumble, State Geol¬ 
ogist. 
