512 Records of the Indian Museum. [Vol. XXII, 



Subfam. CHELTSOCHINAE. 



Gen. Chelisoches, Scudder. 



Chelisoches morio, F. 



Siju Cave, Garo Hills (R. Friel, Nov. 191 7): 417- , 3 9 , 4 young 

 individuals. 



This species is very common in India. I reported it previously 

 from Batu and Jalor Caves {loc. cit., p. 342). 



ORTHOPTERA. 



Fam. BLATTIDAE. 



Subfam. BLATTINAE. 



Gen. Spclaeoblatta, Bolivar. 



Spelaeoblatta (?) caeca, sp. nov. 



(PI. xxi, figs. I to II ; pi. xxii, figs. 12 to 14.) 



Type. — One immature male from Rupmath Cave, north of 

 Jaintiapur, Jaintia Hills, Sylhet District [alt. ca. 1000-1500 ft.], 

 (R. Friel and VV. Ballantine, iii-i8). 



Apterous, size medium ; coloration rather bright yellow, 

 becoming almost orange about the middle of the body, lighter, 

 rather greyish and translucid on the sides. Legs and antennae con- 

 colourous. Body shining, glabrous; legs with scarce pubescence. 



Head narrow; occiput convex, exposed; face straw-yellow, 

 with scarce pubescence; forehead broad, little convex, united 

 with the facial shield without limit ; clypeus twice as long as 

 broad, almost rectangular, labrum as long as broad, subacute at 

 the apex. Eyes, ocellae and ocelliform spots absent. Antennae 

 a little longer than the bod}^, yellow, pubescent ; ist joint large 

 and thick, almost glabrous; 2nd short, C3dindrical; 3rd almost 

 thrice as long as broad, smooth, almost glabrous ; the following 

 joints are very short, with scarce pubescence ; little by little 

 they become longer and about the middle of the antennae they 

 are thrice as long as broad, with an abundant hairy clothing. 

 Maxillary palpi rather short, the ist and 2nd joints ver}' short ; 3rd 

 longer, dilated at the apex; 4th equal to 3rd in length, more 

 strongly dilated; 5th a little longer than the preceding joints, 

 subtriangular. Labial palpi with ist and 2nd joints short, sub- 

 equal to length, 3rd almost equal to them united, rather slender, 

 not dilated at the apex. 



Pronotum a little broader than long, with anterior margin 

 widely rounded, posterior one weakly convex, posterior angles 

 almost right angles, a little rounded ; disk of a dark 3'ellow, with a 

 very fine longitudinal median keel ; surface little convex, smooth, 

 glabrous; anterior margin a little thickened ; a rather long bristle 

 on each posterior angle. Meso- and metanotum rather short, their 



