44 
STUDIES OF TETMGINiE (ACRYDIINiE). 
A. rugosus, Bol. 
Bolivar, Ann. Soc. Ent. Belg. xxxi. p. 228, 1887. 
Four examples of this short-winged species from Matang 
Ed., Oct. 18-14, 1909 ; Kuching, May and July, 1900. 
Sarawak Museum. 
A. bispinosus , Balm. 
Yet. Acad. Handl. p. 77, 1818 ; &c. 
Two examples from Kuching, 1897. Sarawak Museum. 
These specimens do not materially differ from specimens 
in my collection from China. 
Genus Criotettix, Bolivar. 
Bolivar, Ann. Soc. Ent. Belg. xxxi. p. 222, 1887; Hanc. 
Spol. Zeyl. ii. p. 128, 1904; Gen. Ins. Orthopt., Acrid. 
Tetr. p. 27, 1906. 
C. lineatus, Hancock. 
Paratettix lineatus , Hanc. Trans. Ent. Soc. Lond. p. 287, 
1907. 
Five examples from Kuching, April, May and Bee. 
Sarawak Museum. 
In both lineatus, Hanc., and angulobus the antennae are 
inserted between the eyes, and the lateral lobes of the 
pronotum are only very slightly dilated and obliquely 
truncate. In the last mentioned species the angulate 
lobes project laterally when viewed from above. 
C. angulobus , Hancock. 
Paratettix angulobus , Hanc. Trans. Ent. Soc. Lond. 
p. 236, 1907. 
Two examples from Kuching. Sarawak Museum. 
C. momtoni , sp. nov. 
Colour ferrugineous; body rather smooth ; head slightly 
exserted. Vertex subequal in width to one of the eyes, 
somewhat smooth, subtumid backwards, the median carina 
slightly roundly produced; eyes elevated above the dorsum 
of pronotum; frontal costa arcuately elevated between the 
antennae, divided slightly above the paired ocelli, the rami 
divergent forward ; antennae long filiform, inserted forward 
and just below the angles of the eyes. Pronotum deplanate, 
granulate-punctate, dorsum transversely convex between 
the shoulders, humeral angles bicarinate, and between the 
