”5 
DESCRIPTION OF TWO NEW SPECIES 
OF AFRICAN TICKS 
By 
G. NEUMANN 
HROFliSSKl'K A l.’KCOLE NATIONAI.K VflTfiRINATKE L)K TOULOUSE 
Rhipicephalus duttoni , n. sp. (Neumann) 
Male.—B ody, narrow in front, broadest (1*85 mm.) a little 
posterior to the middle, length with rostrum 3-55 mm. Scutum 
slightly convex, chestnut-brown without spots, abdomen does not 
extend beyond its margins ; cervical grooves are very broad, shallow, 
and form elongated depressions, they are not punctated and are 
continued posteriorly by a narrow superficial groove which extends 
beyond the middle point of the length; marginal grooves broad, 
shallow, slightly and finely punctated, commencing almost imme 
d lately behind the eyes and terminating in the groove which separates 
Fig. 22.— Rhipicephalus duttoni, i . Rostrum, x 45 
the two last from, the following festoon; punctations irregular, 
coarsest in iront, fine and superficial over the remainder of the 
surface; behind are three wide, shallow, unpunctated longitudinal 
grooves, the middle one being the longest; festoons longer than they 
are broad, slightly punctated, normal. Eyes flat, yellowish, large, 
marginal. Ventral surface reddish-brown, covered by rather long 
and abundant whitish hairs. Anus anterior to the middle of the 
