162 Genus Ixodes 



ending at the posterior curve of the border ; Venter bearing similar 

 hairs; vulva facing coxae IV ; sexual and anal grooves but slightly 

 divergent. Spiracles large, whitish, circular. Capitulum - 8 mm. long; 

 dorsal base almost as broad as long ; lateral borders parallel, posterior 

 border rectilinear, with slight cornua ; porose areas circular, widely 

 separated, near to the posterior border ; ventral surface longer than 

 broad, auricula short, flat, rounded. (Digit, see Fig. 152 C.) Hypostome 

 (Fig. 152 H) lanceolate, very pointed, with 3 j 3 then 2 | 2 rows of sharp 

 teeth ; palps long, slender, narrow. Legs long, slender ; coxae broad, 

 flat, all bearing a short spur at the postero-external angle ; coxa I bears 

 besides a long slender spine internally. Tarsi long, slender, tapering 

 gradually ; pads as long as claws. Gorged female 4 mm. long, 2 mm. 

 broad, red-brown, the coxae situated close together in the anterior 

 fourth of the body. 



Neumann's description based on 2 % s from Mus agrarius collected 

 at Genoa by C. Parona (Neumann coll., Toulouse). 



4. IXODES DENTATUS Marx, 1899. 



Figs. 153, 154. 



Lit. and Icon. : Neumann, 1899, p. 119, Figs. 4 and 5 (reproduced). 

 Ward (x. 1900, brief mention only on p. 204). 



Banks, 1908, p. 28 ; PI. IV, Fig. 6 ( <? capitulum, scutum, coxae), PI. IX, Fig. 3 

 ( ? gorged, capitulum and scutum) ; inaccurate, since the two sets of figures 

 completely disagree. 



Male : unknown. 



Female: Body oval, L. 62 mm., W. 35 mm. [? replete], broad, 

 blackish brown. Scutum oval, scarcely longer (1 mm.) than broad, with 

 sides rounded, posterior angle broad ; cervical and lateral grooves well 

 defined, the latter straight, almost united behind to the cervical grooves ; 

 £ . , — many large punctations, especially abundant behind. Dorsum shagreened, 

 with numerous punctations, each of which may bear a very short hair ; 

 grooves normal. Venter shagreened like the dorsum. Vulva facing 

 coxae IV; sexual grooves very divergent. Anus toward the posterior 

 third ; anal grooves long, divergent. Spiracles small, rounded, in front 

 ■ — -ofone-half the body length. Capitulum (Fig. 153) with dorsal base 

 rectangular, slightly broader than long ; porose areas small, far apart ; 

 auricula forming a retrograde tooth. Chelicera ? Hypostome lanceo- 

 late, 4 4. Palps with article 2 slightly longer than 3. Legs short, 

 maroon-brown. Coxae (Fig. 154) close together, not occupying the 



