TABLE OF CONTENTS. XI 
Stejneger, Leonhard. An Annotated List of Batrachians 
and Reptiles Collected in the Vicinity of La Guaira, Vene- 
zuela, with Descriptions of Two New Species of Snakes. — 
No.1248. October 3, 1901 ' 179-192 
New species: Phrynonax lyoni, Pseudoboa robinsoni. 
White, David. Two New Species of Algae of the Genus 
Buthotrephis, from the Upper Silurian of Indiana. No. 
1255. November 30, 1901 ' 265-270 
New species: Buthotrephis divaricata, B. newlini. 
^ Date of publication. 
