CAMPONOTUS. 373 



stout, tibiae more or less compressed and longitudinally channeled. 

 Node of pedicel biconvex ; abdomen broad and massive. 



min. Similar, smaller and slighter, slightly more pubescent ; 

 head more elongate ; legs comparatively longer, tibiae cylindrical. 



$ . Similar to the maj. ; head more elongate and rounded 

 posteriorly. Node of pedicel thicker and broader, abdomen more 

 massive. 



d . Similar to the $ , but with a very much smaller head, the 

 mesonotum with a medial and two laterally impressed longitudinal 

 lines ; head and thorax opaque, densely and very finely reticulate- 

 punctate. 



Length, maj. 7-8 ; min. 56*5 ; 5 8'5 ; c? 6 mm. 



Hob. The Himalayas (Smythies) ; Upper Burma, the Shan States 

 at 4000 ft. (Bingham). 



438. Camponotus caxnelinus, Smith (Formica), Pi-oc. Linn. Soc. ii 

 (1857), p. 57, $; id. (Formica). Oat. vi (1858), p. 23, $; Ford, 

 Jour. Bomb. N. H. Soc. vii (1892), p. 224, . 

 Formica singularis, Smith, Cat. vi (1858), p. 27, . 



g maj. Black, covered with a thin brownish sericeous pile and 

 rather more densely with erect brownish hairs ; head, thorax and 



Fig. 118. Camponotus camdinus, $ initj. 



abdomen minutely reticulate-punctate, with a superposition of 

 minute scattered tubercles. Head oval, very convex in front, the 

 occiput constricted and narrowed into a neck; mandibles with 

 7 teeth ; clypeus with a medial vertical carina ; median lobe broad 

 and slightly produced, its anterior margin waved. Thorax elon- 

 gate narrow, meso-metanotal suture emarginate ; legs very long, 

 the tibiaa cylindrical. Node of pedicel rounded ; abdomen com- 

 paratively massive. 



$ mm. Very similar. Head and abdomen much smaller. Node 

 of pedicel more globose. 



5 . Similar to the $ maj., but more elongate and with a pro- 

 portionately larger abdomen ; node of pedicel elongate oval. 



Lewjth, $ maj. 14-15; $ min. 11-12; $ 1, mm. 



Hal. Sikhim (Moller); Burma; Tenassenm (BtnyJuim). 

 C singularis, Smith, is only a variety of which the head i 

 variably of a blood-red colour. Both forms are common n 

 Burma. 



