652 Mr. R. Shelford on the Studies of the Blattidae. 



iiotum testaceous with 2 broad fuscous vittae. Tegmina and wings 

 exceeding the apex of the abdomen. Tegmina castaneous, the 

 marginal field and the apex of the anal field testaceo-hyaline, 14-16 

 costals, radial and anterior ulnar veins simple, 6 longitudinal dis- 

 coidal sectors. Wings suft'used with castaneous, mediastinal vein 

 3-ramose, 14 costals the first 8 incrassated, medio-distal area in 

 middle about 3 times broader than medio-ulnar area, crossed by 12 

 transverse venules, ulnar vein bifurcate, the rami sometimes reunit- 

 ing at their apices, triangular apical area large and conspicuous, 1st 

 axillary 4-ramose. Abdomen castaneous above, laterally margined 

 with testaceous, beneath testaceous, laterally margined with castane- 

 ous. Scent-gland opening on 7th abdominal tergite ; supra-anal 

 lamina bullate, apex emarginate with a small tuft of rufous hairs on 

 either side of the notch ; surpassed by the sub-genital lamina which 

 is symmetrica], j)roduced, with the apex emarginate, right style 

 minute, left style stouter, curved, median in position. Cerci 

 moderate, 8-jointed. Legs testaceous. 



5 . Similar, supra-anal lamina trigonal. 



Total length 9-10 mm. ; length of body 9 mm. ; length of tegmina 

 8-8"5 mm. ; pronotum 3-5 mm. x 4 mm. 



Hah. French Congo, Ndjole, Lambarene, Fernand Vaz 

 (Z. Fea) (Genoa Mus., types; Oxford Mas.). 



Theganopteryx lucida, Br. (Plate LXXIX, figs. 6 and 7.) 



Ectohia [Thegaiiopterijx] lucida, Brunner von Wattenwyl, 

 Noiiv. Syst. Blatt., p. 62 (1865). 



^. Kufo-testaceous. Distance apart of eyes on vertex equal to 

 length of 1st antennal joint. Pronotum with 2 broad fuscescent 

 vittae, occasionally obsolescent. Tegmina and wings exceeding the 

 apex of the abdomen. Tegmina suft'used with castaneous near the 

 base, 17-20 costals, radial and anterior ulnar veins simple, 5-6 longi- 

 tudinal discoidal sectors. Wings with the veins castaneous, media- 

 stinal vein 4-ramose, 12-14 costals, all but the last 2 or 3 incrassated, 

 medio-discal area in middle 3 times broader than the niedio-ulnar 

 area crossed by about 15 transverse venules, ulnar vein bifurcate, 

 the rami reuniting at their apices, triangular apical area large and 

 prominent its upper half crossed by 2 venae spuriae, 1st axillary 

 5-ramose. Opening of scent-gland on 7th abdominal tergite ; supra- 

 anal lamina triangular, sub-truncate at apex ; sub-genital lamina 

 asymmetrical, notched to the left of the middle line, left style long 

 and slender, right style absent. Femora as in the preceding species. 



