318 Mr. R. Shelford's Studies of the Blattidae. 



Gyna hichhoki, Gerstaecker, Mitt. Ver, Neuvorpomm 



"u. Riigen, xiv, p. 72 (1883). 

 ? A'potrogia angoleoims, Kirby, Ann. Mag. Nat. Hist., ser. 

 7, V, p. 281 (1900) ; Distant's Ins. Transvaal, p. 21, 

 PI. I, fig. 11 (1900). 



A handsome species, readily distinguished by the obso- 

 lescent markings on the pronotum and by its primrose- 

 yellow colour. 



Kamerun (Greifswald Mus., type of huchholzi ; Oxford 

 Mus. ; Berlin Mus. ; coll. Bolivar) ; FERNANDO Po (Greifs- 

 wald Mus.) ; Angola (British Mus., type of laticosta). 



8. G. oUonga, Borg. 



Gyna dblonrja, Borg, Bih. Svcnsk. Vet.-Akad. Handl., 

 xxviii, Afd. 4, No. 10, p. 21, PI. II, fig. 1 (1902). 



The form and extent of the markings on the pronotum 

 varies considerably ; a reliable character is presented by 

 the oblique fascia at the apex of the tegmina, Avhich is 

 present in all the specimens of botli sexes that I have seen. 



Kamerun (Stockholm Mus., type ; Oxford Mus. ; Berlin 

 Mus. ; coll. Bolivar). 



9. G. iiigrifrons, Bol. 



Gyna nigrifrons, Bolivar, J. Sci. Lisboa (2) i, p. 77 

 '(1889). 

 Benguella (Lisbon Mus., type); Loanda(coll. Bolivar). 



10. G. pcringiieyi, sp. n. 



^ . Testaceous. Eyes on vertex 1 mm. apart. Vertex ami frons 

 not striate. Four stripes on tlie vertex, the vertex between the eyes, 

 a macula between the antenna! sockets, two spots on the clypeiis, 

 castaneous ; antennae castaneous at base, remainder fuscous. Pro- 

 notum faintly striate posteriorly, lyrate markin<^s clearly defined. 

 Tegmina mottled with testaceous, no rufescent macula on disc, a 

 piceous spot ]>etween radial and mediastinal veins. Wings slightly 

 infuscated, ulnar vein with 11 ranu", 7 being incomplete. Abdomen 

 testaceous mottled with castaneous ; supra-anal and sub-genilal 

 laminae of usual shape. Legs pale testaceous, posterior metatarsi 

 elongate. 



Total length 20 nun. ; length of body 17 mm. ; length of tegmina 

 18 mm. ; pronotum 5*1 mm. x 6'8 mm. 



Benguella (Cape Town Mus., type). 



