ORIENTAL COLLEMBOLA. 105 



pattern is more evident in the Alliihabad specimens. On the 

 other liand, in several of the Bengal specimens the markings are 

 much enlarged and intensified. 



Lenrith varying from 1 mm. to 1-75 mm. ; average length 1-5 mm. 



Twenty-five specimens, taken at night crawling up the surface 

 of a, whitewashed outer wall of a bungalow, illuminated by electric 

 light, Allahabad {A. D. Imvis, September 22nd, 1907). 



No. ^^ Indian Museum Coll. 



Id 



Twenty-six specimens, taken under dead leaves, Calcutta ; for 

 the most part poorly preserved {Indian Museum Collector, Jan. 1st, 

 loth, and 18th, 1908). 



Cremastocephalus montanus, sp. n. (PI. IX. fig. 60.) 



Ocelli 16:8 in ntroque latere capitis. Unguiculus superior 

 duobus parvis dentibus ariaatus ; umjuiculus inferior inermis, 

 Proitarsi pilis clavatis singulis insti'ucti. Mucrones furculm tribus 

 dentibus armati. Long. 2-2-5 mm. 



Head. — The nyes eiglit in number on each siile ; post-antennal 

 organs absent. 



Antenna'.. — The first two joints related proportionately in 

 length as 5 : 7 ; the remaining joints missing in the specimens 

 examined. 



Trunk. — The segments related in length in the proportion of 

 5:3:3:4:1:15:2:1. Clothed with fine hairs and slender 

 setfe. 



Legs. — The superior claws moderately stout, armed with two 

 small teeth ; one tooth situated fi-om the base of the claw at a 

 distance equal to one third the length of the claw ; the other 

 placed at a similar distance from the apex. The inferior claws 

 bioad, resembling those of C. indicus (fig. 58), only slightly more 

 acuminate ; unarmed. A single tenent hair to each foot very 

 stout, and arising from the pra?tarsus. 



Furcula. — The mucrones inclined at an angle of 30^ with the 

 denies, tridentate (fig. 60). At the apex of each dens is a scale- 

 like appendage, equal in length to the muci^o. 



Coloration. — StiawTColoured inclining to yellow. The lateral 

 margins of the thorax and the first segment of the abdomen 

 edged with dark violet. A few dorso-lateral markings of the 

 same colour over the rest of the abdomen, and a proximal and 

 distal suttusion to each of the tiliifc. The two basal antennal 

 joints inclining to pale yellow ; the furcula white. 



Length 2 -2'5 mm. 



Three examples, taken among damp soil under stones and 

 leaves at Kurseong, E. Himalayas, 5000 ft. {F. H. Gravely, 

 March 25th, 1910). 



js^o. ^ Indian Museum Cull. 



Cremastocephalus Diontanus is closely related to the preceding 

 species (C. indicus), but can be readily separated by the form of 



