502 CLAUDE FULLER. 



Eutermes bilobatus (Haviland). 



Fig. 7. — x i. Common type of weather-worn mound associated 

 with Eutermes trinervins mounds (140 mm. broad). 



Fig. 8. — x i. Abnormal and recent conical mound, not weather- 

 worn. (Photo by F. Thomsen.) 



Fig. 9. — x i. Yertical section of fig. 8, showing typical cellular 

 structure. (Photo by F. Thomsen.) 



PLATE XXXII. 



Eutermes trinervius (Ramhur). 



Fig. 1. — x To- "Vertical section of mound. (Photo by F. Thomsen.) 



Fig. 2. — x -^. Mound beax'ing Podaxon sp. (Photo by F. 

 Thomsen.) 



Fig. 3. — x ^V. Termes sp. Mound with Cocculus villosus J' 

 growing on apex. Koodoos River, Zoutpansberg, Transvaal. (Photo by 

 A. O. D. Mogg.) 



Fig. 4. — x aV- Termes natalensis Haviland. Mound in low- 

 veld overgrown by bush. (Photo Ijy F. Thomsen.) 



PLATE XXXIII. 



Fig. 1. — Termes badius. Antennal chart (solid black) showing 

 the range of variation for each joint of the XlX-jointed imago in ten 

 individuals, and chart (double line) of one XlX-jointed worker antenna. 



Fig. 2. — Termes badius. Antennal charts for the XlX-jointed 

 soldier, worker major and worker minor. 



Fig. 3. — Termes natalensis. Antennal charts of the major and 

 minor soldiers. 



Fig. 4. — Eutermes trinervius. Antennal chart of the major 

 nasutu. 



Fig. 5. — Hodotermes spp. Diagram to illustrate the ranges of 

 the measurements given for the described species of Hodotermes. 

 a. Total length ranges for soldiers, a'. Head with mandible ranges for 

 soldiers, a^. Head-width ranges for soldiers, h. Total length-ranges 

 for workers. 6'. Head-width ranges for workers. 



Note. — In the case of all five diagrams the figures are based on the 

 measurement of at least ten individuals except when otherwise stated. 



