OBSEliVATJONS ON SOME SOUTH AFRICAN TERMITES. 501 



Fig. 3. — x i. A queen-cell fi-om a modern nest showing in cross- 

 section highly arched cavity, characteristic thin floor and pedestal. 

 Width of cavity 85 mm., height 32 mm. 



Fig. 4. — x }. A very large cell, with more or less regular exterior, 

 showing where clay arms were attached, and entrance holes. Total 

 length about 260 mm. 



Fig. 5. — x J. A three-quarter view of fig. 4, showing cavity and 

 pedestals. 



Fig. 6. — Nat. size. Portion of upper surface of great fungus-garden. 



Termes vulgaris Haviland. 

 Fig. 7. — Nat. size. Portion of outer surface of great fungus-garden. 

 Fig. 8. — x to- "Vertical section of nest described in text, p. 391. 

 Fig. 9. — x 1. Great loaf-like fungvis-garden from nest illustrated 

 in fig. 8. 



Fig. 10. — X i. Fungus-garden, in section, showing layer formation. 



Termes latericius Haviland. 

 Fig. 11. — X 4. — A typical supplementary fungus-garden. Length 

 110 mm., height 50 mm. 



PLATE XXXI. 

 Eutermes parvus {Haviland). 

 Fig. 1. — X ^. Nest viewed from above; the margin represents 

 ground level. Diameter 160 mm. 



Fig. 2. — x i. Horizontal section of lower apex of nest, ex^wsing 

 queen-cell. (Photo, by Dr. Conrad Akerman.) 



Fig. 3. — X 4. Vertical section of nest showing the queen-cell in 

 base; the ground level is represented by a dotted line. (Photo, by 

 Dr. Conrad Akerman.) 



Termes incertus Haviland. 



Fig. 4. — Nat. size. Earth fragment showing a very small fungus- 

 garden cavity and the young fungus-garden. 



Fig. 5. — x f. A large fungus-garden viewed from above, 70 mm. 

 across. 



Termes latericius Haviland. 

 Fig. 6. — x j\,. Nest site with one particularly high chimney at 

 Pienaar's River, Transvaal. Chimney 2-3 ft. (Photo by F. Thomsen.) 



