788 Journal of the Asiatic Society of Bengal. [December, 1911. 
Sphingolabis is very closely related to Chaetospania : differ- 
ing only in its somewhat larger size, stouter build, less de- 
pressed body, broader head and more nearly square pro- 
notum. 
p 129. 
The Chelisochinae are raised to the rank of a family, the 
Chelisochidae, being the third family of the Superfamily Buder- 
maptera : the remaining subfamilies given in this page remain 
in the family Forficulidae. 
p. 136. 
€ specimen from Travancore recorded here as var. stra- 
Th 
tioticus, Rehn, of Chelisoches morio, Fab., proves to be the 
hitherto undescribed male of Adiathetus tenebrator, Kirby. 
q-V. (post, p. 792). 
p. 136. 
Genus Prorevs, Burr. 
Table of Species. 
1. Pronotum longer than broad, 
and gently widened posteriorly 
(size medium). 
- Forceps rather slender with one 
sharp tooth, or not toothed - 
build slender. .. 1. simulans, Stal. 
- Forceps depressed, broad and 
stout, with several teeth : build 
stronger -s es 
Pronotum about as broad as 
long : (smaller insects), 
- Pygidium 
bo 
Nm 
bo 
2. ritsemae, Borm. 
—_ 
: 
—_ 
H 
tubercl - ‘a 
Pygidium hidden: last dorsal 
segment ¢ with a pair of 
minute tubercles on _posterior 
3. melanocephalus, Dohrn. 
Sd 
margin. 
- Build slender : forceps with 
several strong teeth : abdomen 
Searcely dilated: last dorsal 
w 
: wings 
normally developed .. 4. delicatulus, sp. 0. 
