DISEASE RH.ATIONS 

 Unstvidied. 



REMARKS 



M. wlnthemi and M. reidi sp. nov. are readily distingiiished 

 by key characters (pages 57A and 575). 



The HOLOTYPE cf is deposited in the United States National 

 Museiim, nvunber2225. The ALLOTYPE 9 is deposited in the same 

 institution, together with one of the PARATYPE nymphs collected 

 on 15 May 1953. The data for these specimens are presented a- 

 bove. A single c?, 9, and nymph (15 May 1953) PARATYPE are depos- 

 ited in the Onderstepoort collection (Dr. G. Theiler), East African 

 Veterinary Research Organization (Miss J. B. Walker), British Mu. 

 seum (Natxoral History), Rocky Moxintain Laboratory, and Chicago 

 Natiiral History Musevun. The remainder of the PARATYPE material 

 is in the writer *s collection. 



See M. winthemi (pages 899 to 905). 



DEXRIPTION 



MALE (Figures 236, 237, 3/^2 to 3^6): Length overall approx- 

 imately 3.0 ram., width approximately 1,A mm, Color (dry) dark 

 reddish brown, legs yellowish; integument white, yellowish, or 

 dsirk brown. Outline oval with integument bulging beyond scutum 

 laterally and posteriorly, but lacking cavdal protrusion (avail- 

 able specimens are moderately engorged). 



Capitulum ; Basis capituli twice as wide as long; lateral 

 margins markedly diverging anteriorly, basal margin slightly 

 concave; dorsal surface bearing a horizontfid row of twenty hairs 

 at level of midlength; ventrally more elongate, length and width 

 equal, lateral margins slightly concave, basal margin convex. 

 Palpi comparatively short; overall length and width of each palpus 

 approximately equal; segment 1 forming a short, wide pedicle for 

 segment 2. Segment 2 subquadrate, approximately twice as wide 

 as long; outer margin slightly expanded basally, inner margin 



_ 578 - 



