284 
NOTES ON TICKS. 
BEING DESCRIPTIONS OF TWO NEW SPECIES OF ORNITHODORUS AND OF 
THE HITHERTO UNKNOWN FEMALE OF HYALOMMA MONSTROSUM. 
By CECIL WARBURTON, M.A., F.Z.S. 
(From the Quick Laboratory , University of Cambridge.) 
(With 3 Text-figures.) 
Hyalomma monstrosum, Nuttall and Warburton, 1907 ( Proc. Camb. 
Phil. Soc., Yol. xiv. pp. 392-416, figs. 41-45 of the d). The female 
is here described for the first time. 
Fig. 1. Hyalomma monstrosum $. Capitulum and scutum. 
Female: Scutum rather broader than long (1-7 x 2 mm.), very dark, 
glossy, with a few large, deep, conspicuous punctations ; cervical grooves 
deep at their origin, their floors rugose; lateral grooves a series of 
