Note F — Chapter XII · HOMINOXIOUS ARTHROPODS
Reading edition
Dr. C. W. Stiles considers the species which is responsible for spotted fever distinct from the venustus of Banks, separating it as follows:
Goblet cells about 75 in the male or 105 in the female. Texas. D. venustus.
Goblet cells 157 in the male, or 120 in the female; stigmal plate shaped as shown in the figure (figs. 150 a, b). Montana, etc. D. andersoni.