The genera Boophilus, Rhipicephalus, and Haemaphysalis (Ixodidae) of the new world
By: by R. A. Cooley ...
Publisher: U.S. Govt. print. off.
Published: 1946
Place of publication: Washington
Language: eng
Number of pages: 54
Subjects: Ticks.
Notes: "References": p. 51-54.
U. S. 79th Cong., 2d sess.  House.  Doc. 603.
"From the Rocky mountain laboratory, Division of infectious diseases, National institute of health."