PLATE XXII. 









Paul Folschr. Photo. 



A. TERMITE MOUND, PORT DARWIN. COLUMNAR TYPE, p. 124. 





Collotype, n~. if S. L1,L D. Le Souef, Photo. D. Lt Souef, Photo. 



B. OVATE TERMITE MOUND, WITH C. SMALL EXTRA-TROPICAL TERMITE MOUND, 



NEST BURROW OF Tanysiptera sylvia, p. 125. WITH NEST BURROW OF Posephotus pulcherrimus, p. 125. 



