/. vespertilionis 



275 



sides ; spiracle as in £. Gapitulum : base shorter and broader than in 

 the </", with salient lateral points ; porose areas large and near together ; 

 palps normal ; hypostome tapering to a point, 4 j 4, merging to 3 | 3 

 posteriorly, the teeth are very pointed and the hypostome posterior to 

 the basal teeth is constricted (see Figs. 278 A and B (digit), 279). 

 Legs (PI. V, Figs. 1 and 2) long and thin, with the same characteristics 

 as in </, but comparatively smaller. 



Nymph (Fig. 280) : resembling the $ in all essential parts, the 

 capitulum with blunt auricular protrusions and no latero-dorsal ridge. 



Fig. 280. I. vespertilionis o : capitulum and scutum ; ventral aspect of capitulum, with 

 coxae, spiracle, anal grooves and tarsus 4. (Same origin as ? in Fig. 277. Original, 

 G. H.F.N, del.) 



Larva (Figs. 281, 282) : resembling the o, but with broad scutum ; 

 lateral angles and capitulum more elongate and possessing no auriculae. 



Fig. 281. Fig. 282. 



Fig. 281. /. vespertilionis larva: capitulum and scutum; ventral aspect of capitulum, 



with coxae, tarsus 3. Specimen found on Rhinolophus sp. by Trouessart, 1896. 



(Neumann coll. 768. Original, G. H. F. N. del.) 

 Fig. 282. 1. vespertilionis larva : left digit in dorsal aspect, x 590. (Neumann, 1899, 



Fig. 34.) 



