190 Genus Ixodes 



The following description is the one which we gave of kelloggi, with 

 a few slight additions : 



Male : unknown. 



Female (fully fed) : L. 7 to 8, W. 5 # 2 mm. Body brown, with 

 numerous white hairs. Scutum (Fig. 182) very long, 1*4 x 11 mm., 

 somewhat diamond-shaped, with a few conspicuous white hairs ; scapular 

 angles sharp, no lateral grooves ; cervical grooves well marked but not 

 deep, slightly converging at first, then diverging to reach the margin 

 nearly half-way along its postero-lateral border; several large shallow 

 punctations, in part confluent, from some of which hairs have fallen. 

 Venter: with numerous white hairs; spiracles slightly oval, brown, 

 macula central ; vulva between coxa III ; anal grooves parallel or 

 slightly divergent, rather short, terminating far from the posterior 

 border. Capitulum (Figs. 182, 183) of medium length (08 mm.) ; base 

 triangular, comua slight; porose areas large, transverse, of indefinite 

 form; palps rather long and narrow, article 2 the longest; blunt auriculae; 

 ventral base broad and rectangular posteriorly ; hypostome pointed, 3 | 3, 

 followed by 2 j 2 l . Legs (Fig. 182 B) medium, coxa I with two spurs wide 

 apart, coxae II-IV with short outer spurs and inner edge trenchant ; 

 tarsi tapering (as in /. pilosus <?, Fig. 217). 



Nymph : resembles the % (Neumann). 



Larva : Scutum as broad as long (Neumann). 



The species occurs on birds in Europe, Africa and North America. 

 The type in the Berlin Museum (1 gorged %) was found on Fringilla 

 albicollis Gmelin, from North America. The larva described by Koch 

 (1844) as /. pallipes was found on Sitta coesia by Panzer (1795), and 

 Leach (1815) found the $ on Parus major. Berlese (1890) states that 

 he frequently encountered this species on Passerines, fixed to the head 

 near to the auditory orifices, and in the country about Florence and 

 Venice on Anthus arboretis, A. pratensis, Erythacus rubicula, Merula 

 nigra. Canestrini (1890) possessed two specimens found on Praticola 

 rubetra and Emberiza schoeniclus. 



The description of frontalis by Neumann (1899) is based on specimens 

 collected in Corsica on Turdus (E. Simon coll.) ; 3 % s from Crex pra- 

 tensis from the Lower Loire (Trouessart coll.), from Saxicola rubicola 



1 In Neumann's figure (Fig. 183 of frontalis, here reproduced) the dentition ranges 

 from 4 1 4 to 3 j 3, 2 | 2. The shape of the hypostome is different from ours, possibly owing 

 to pressure of the coverglass on the specimen. His Fig. C (basis capituli and coxae I) is 

 obviously drawn from a balsam mount, and consequently somewhat misleading, as such 

 preparations generally are. 



