OBSERVATIONS ON SOME SOUTH AFRICAN TERMITES. 495 



Fimbriate. — Set with a fringe of hair closely placed. 

 Foramen. — Applied to gland orifices of the head of certain soldier 

 termites which are situated elsewhere than where the fontanelle is. 



Fontanelle. — Particularly applied to a small gland orifice of the 

 epicranium of certain soldier termites in which the Y-suture is absent 

 and found at a spot which coincides with the fork of the suture in other 

 soldier termites. (The fenestra of Haviland.) See Foramen. 



Frons. — = Front; the anterior portion of the head cephalic of the 

 Y-suture (see Frontal area). 



Frontal area. — Used as an inclusive term to describe the front 

 region of the head (frons and clypeus) when the Y-shaped suture 

 and the clypeo-frontal suture are absent. 

 F u r c a t e. — ^Forked. 



Gen 86. — -The whole of the sides of the head from the cephalic ex- 

 tremity to the occipital region. 



Incurvate. — Bowed, or curved inwards. 



Insignificant. — (Restricted). Not essential to the diagnosis. 

 Intermediate. — (Restricted). To indicate the point or region at 

 oi" about half way between apex and base of an appendage, or generally 

 the second member of a series of three similar parts. 

 Intro se. — Directed inward toward the body. 



Labrum. — Used in the proper sense for the unsegmented flap-like 



sclerite articulated to the cephalic margin of the clypeus (see Labrum- 



epipharynx), or loosely for the labrum-epipharynx or labrum + lingula. 



Labrum-epipharynx. — The long articulated labrum of the workers 



of many species. 



Lingula. — A cordate prolongation of the epipharynx which is white 

 and not chitinised, and the dorsal surface of which is continuous 

 with that of the labrum (found in the soldier termites of the group 

 represented by T. natalensis). 



Obsolete. — Inconspicuous or apparently absent. 

 Occipital region. —An indefinite area forming the convex caudal 

 extremity of the head. 



P a t e 1 1 a. — An apparent segmentation of the tibia of certain species, 

 resembling the patella of the legs of spiders. 



Pennant stripes. — Narrow, tapering, and somewhat long stripes 

 like the pennant of a war- vessel. 



Proximal, Proxima d. — Used in reference to appendages (mandibles, 

 autennaj. legs, etc.) and more or less free parts (clypeus, gula) to 

 indicate nearness to the end which is attached to or inserted into the 

 body. 



Salient.— (Restricted). Jutting out more or less conspicuously. 

 Scallop. — (Restricted). A small, obtuse, and rather roundly 

 curved tooth. 



