POISONOUS SNAKES OF TEXAS AND FIRST AID TREATMENT OF THEIR BITES
BULLETIN NO. 31
Originally published February 1950 Revised February 1952 Reprinted May 1960 Revised July 1963; May 1964 Reprinted Jan. 1967 Reprinted Jan. 1969 Reprinted August 1970
By JOHN E. WERLER Director, Houston Zoological Gardens
Texas State Seal
Published by Texas Parks and Wildlife Department Austin, Texas
