528 AUbTKALIAN TEHMITIDJ:, 



Calotermes longiceps, n.sp. 



(PI. XXXV. fig. 7.) 



(Immature). Head pale yellow, jaws black, rest of insect dull 

 Avhite. Length 6 lines. 



Head spherical, a little longer than broad. Eyes indistinct; 

 ocelli C?). Antennae 20-jointed; 1st stout, cylindrical; joints 2-7 

 very short, orbiculate; the rest moniliform, towards the tip 

 becoming broader at apex; the last smaller, elongate-oval. 

 Clypeus truncate behind, rounded in front, narrow : labrum large, 

 convex in front : jaws short and stout, with three teeth above 

 and two angular ones at base. Prothorax as broad as head, 

 slightly concave in front, broadly rounded on sides, and nearly 

 truncated at apex, with a median suture extending through the 

 rest of the thorax; wing covers extend down to the third segment 

 of the abdomen, slender and pointed. Legs rather short; thighs 

 small, slender; tibite short and thick, with three stout ferrugin(jus 

 spines at apex; tarsi short, terminal joint large, with plantulaand 

 stout claws. Abdomen long, cylindrical, rounded at the tip, with 

 very small anal appendices, and the cerci small and hair3\ 



Soldier. — Head bright ferruginous, jaws black, the rest light 

 yellowish brown. Length 6i lines; the head and jaws as long as 

 thorax and abdomen. Head very large, longer than broad, con^ ex 

 above but sloping to base of the jaws, slightly rounded on the 

 sides, and emarginate in front of the antennfe : antenna? very 

 slender, 20-jointed; 1st stout, cyhndrical; 2nd smaller; the rest 

 moniliform to the tip : clypeus narrow, truncate behind, rounded 

 in the front; labrum spade-shaped, straight on the sides, rounded 

 in front, and projecting to the base of first large tooth; jaws very 

 stout and large, straight on the sides, curving inwards slightly 

 and meeting at the tips, with three small irregular teeth on the 

 left hand jaw and one large angular one on the opposite side; a 

 slight median and cross suture on head. Prothorax not as wide 



