Mr. K. Shelford's Studies of the Blattid^. 235 



anterior femora. Supra-anal lamina slightly produced, trigonal; 

 sub-genital lamina produced, irregular in shape, without styles ; cerci 

 mutilated. On each side of the middle line of the sixth abdominal 

 tergum appears a mamilliform tubercle with a small orifice at the 

 summit of each. 



Total length 10 mm. ; length of tegmina 7 mm. 



Madeas. Five examples. (Oxford Museum.) 

 The specimens are in bad condition, and the erect hairs 

 in some examples have been rubbed off. I have no doubt 

 however of the correct generic position of the species. 



Genus Theganopteryx, Br. 



Theganopteryx apicigcra, Wlk. 



Blatta apicigera, Walker, Cat. Blatt. B. M. p. 227 (1868). 



^ and 5 . Rufo- testaceous or flavo-testaceous. Head, antennae, 

 legs and cerci fusco-castaneous ; abdomen testaceous above, darker 

 below. Pronotum trapezoidal, sides not deflexed, with hyaline lateral 

 margins. Tegmina with the apices fuscous, the part of the right 

 tegnien overlapped by the left, hyaline, twelve costal veins, anterior 

 ulnar vein quadri-raniose, posterior ulnar vein simple. Wings hyaline, 

 apex infuscated, marginal field flavo-testaceous, ten to eleven costal 

 veins, their extremities swollen, median vein simple, ulnar vein 

 bifurcate, first axillary vein tri-ramose, triangular apical field 

 conspicuous but not projecting beyond the anterior part of the 

 wing. Anterior femora not sj^ined beneath, mid- and posterior 

 femora with two or three spines only on each margin beneath ; 

 formula of apical spines I, r, x ; no genicular spine on anterior 

 femora. Supra-anal lamina of male short, rounded, of female 

 slightly produced ; sub-genital lamina of male ample, with two 

 styles. Ootheca with a longitudinal crest and carried with the 

 crest uppermost, so that the eggs are vertically disposed. Cerci 

 elongate. 



Type ( $ .) Total length 11 mm. ; length of tegmina 9'5 mm. 

 ^ . ,, ,, 9 mm. ; „ „ 8 mm. 



$. ,, ,, 11 to 12 mm. ; length of tegmina 9 to 10 mm. 



Java (Wallace — Type), Sumatra {IVeyers), Sarawak, 

 Borneo (Shelford). Nine examples. (Oxford Museum.) 



The position of the ootheca when carried by the female 

 before deposition is not a character of sub- family import- 



trans. ent. soc. lond. 1906. — part ii. (sept.) 16 



