ME. G. D. HAVILAND ON TEBMITES. 377 



The ventral plate of tlie 7th abdominal segment broader than 

 that of the 6th or 8th, that of the 9th small and narrow. 



Soldier from 11 to 12 mm. long. Head 3'7 mm. long, 2*6 mm. 

 broad, aurantiacous, with a broad, shallow, concave area above the 

 epistoma. Antennae of 16 segments, the 2nd and 3rd subequal, 

 the 4th much shorter. Labrum short, rounded. Mandibles 

 3 mm. long, black except at the base, the right with two large 

 teeth, the left with many small ones. Grula narrow in the lower 

 two thirds, broad ia the upper third, united to the head for 

 almost its whole length. Pronotum as broad as the head. 

 Hind legs exceeding the abdomen. 



Worker 9 mm. long. 



Sarawak. Type, No. 177. 



Caxotebmes duebanensis, n. sp. 



Soldier 8 mm. long. Head orange, testaceous. Antennae of 

 13 segments, the 3rd much larger than the 2nd. Labrum short 

 and broad. Mandibles black, upcurved, the right with one large 

 tooth below the middle, the left with several smaller teeth. 

 Gula somewhat narrow in the lower part, broad towards the apex, 

 united to the head for nearly its whole length. Pronotum broad, 

 with rounded lateral margin. Hind legs reaching nearly to the 

 apex of the abdomen. 



Worker 8 mm. long. Pronotum, mesonotum, and metanotum 

 broad and arched. 



jVatal (Durban). 



Gen. Teemes, Linn. 



Antennae of not more than 20 segments. Pronotum various, 

 seldom large or arched. Cerci of 2 to 3 segments. 



Fertile individuals with compound eyes and (except in T. tenuis) 

 lateral ocelli. Feet without plantulae. Anterior wmg-stumps 

 with nearly straight margins, seldom much larger than the 

 posterior. Costal area of the wings narrow and not veined; 

 the subcostal seldom gives off any branch, and the median only 

 a few. 



Soldier with head variously modified for defence in the 

 different species, blind, either with cutting-mandibles, or with 

 means of discharging a viscid fluid from a conical projection in 

 the front of the head. The soldiers may be of different sizes. 



Workers very variable, often narrowed at the thorax. 



The species of Termes differ much in their habits, but they 



