/mm. 
210 
Variability of Ticks 
Fig. 4. Rhipicephalus pulchellus, extreme types of males, dorsal and ventral aspects ; 
tarsi IV; hypostome of larger male ; posterior end of another large well-fed individual, 
dorsal and lateral aspects, showing orientation of the caudal appendage and the anal 
plates. N. C. del. 
