TY  - BOOK
AU  - Gregson,John D.
TI  - The Ixodoidea of Canada / 
U1  - 595.429 
PY  - 1956///
CY  - Ottawa, Ont. : 
PB  - Canada Dept. of Agriculture, 
KW  - Ticks
KW  - Canada
N1  -  Publication 930 January, 1956;  Includes bibliographical references and index
ER  -