Mr. R. Shelford’s Studies of the Blattide. 243 
vein, apex incised, basal margin very obtusely angled, about two-fifths 
of total wing-length. Supra-anal lamina slightly produced, Legs 
testaceous. 
Total length 4:8 mm. ; length of tegmina, 4 mm. 
KucHIna, SARAWAK. Three examples. [No. E.] (Oxford 
Museum. ) 
The following table will help to show the differences 
between the various Oriental species :— 
1. Rufo-castaneous or fulvous, 
2. Medio-discal field of wing with five 
transverse venules, ulnar vein bi- 
fureated, ulnar field without trans- 
verse venules . .. . . . . A.thwaitesi,mihi(Ceylon) 
2’. Medio-discal field of wing with four 
transverse venules, ulnar vein 
simple, ulnar field with two trans- 
verse venules . . . . . . « A.zeylanica, mihi (Ceylon) 
1’. Fusco-castaneous. 
2. Disc of pronotum with pale central 
macula) 202 0.2 . 20. 2 « Ajmaculata,uuhi(Ceylon) 
2’, Dise of pronotum without pale 
central macula. 
3. Median vein of wing obsolescent 
atitsdistalend . . . . . . A. obscwra, mihi (Malay 
Peninsula) 
3’, Median vein of wing not obsoles- 
cent at its distal end. 
4, Medio-diseal field of wing with 
four venules. 
5. These venules transverse, 
apex of apical area not 
incised . . . . . . . A.malayensis, mihi (Malay 
Peninsula) 
5’. Two proximal venules, very 
oblique, apex of apical area 
incised . . . . . . . A.borneensis, mihi(Borneo) 
4’, Medio-discal field of wing with 
two transverse venules. . . A. javanica, Sss. (Java) 
I have not been able to examine critically A. gyrin- 
oides, W1k., from Ceylon, the type of which is in the British 
Museum, however it enters into Sect. 1’ in the above table 
but can be readily distinguished by the fulvo-testaceous 
pronotum. A. fuwlva, Br., from Burma belongs to Sect. 1 in 
