0-5 mm 
296 
The Genus Ixodes 
third of article 3 which is rounded distally; ( Ventral aspect) hypostome 
club-shaped, 4]4 merging to 313 and 2]2 posteriorly where the median 
unarmed ridge broadens, teeth sharp, 12 per external file; basis capituli 
constricted where the short pointed recurved auriculae arise, posterior 
margin straight with rounded angles. Venter : vulva between coxae II; 
anal grooves form a small closed ring situate near the posterior border; 
spiracle ovoid, macula central. Legs slender; coxa I with short 
internal and stout external spur; stout external spurs on coxae II-IV 
Fig. 2. Ixodes eichhorni n. sp. nymph (1ST. 2675). Scutum, capitulum in dorsal and 
ventral aspects, coxae with trochanters, anus with circular anal groove, spiracle 
and tarsus 4 (G.H.F.N. del.). 
progressively decreasing in size; trochanters with slight spurs; tarsus 
4 tapering gradually, the distal pseudo-article about thrice as long as 
the basal; pads large but shorter than the claws. 
Nymph (Fig. 2): Resembles the ? in general form, structure and 
colour. ( Dorsal aspect ) Body with a few white hairs posteriorly. 
Scutum : 0-55 x 0-6 mm. with equally marked cervical grooves, the 
external fields somewhat rugose. Capitulum with cornua somewhat 
more pointed and arising from slight ridges extending over the dorsal 
