BY G. F. HILL. 113 



esting data, had it not died out from want of attention during 

 the writer's absence. 



This species is too rare to be regarded as an economic pest of 

 importance. 



EXPLANATION OF PLATES XIV.-XXIII. 

 Plate xiv. 

 Fig.L — Termitarium of Coptotermes acinaci/or7ms FvoggSitt; Koolpinyah, 

 N.T. 



Plate XV. 

 Fig.2. — Termitarium of C. acinaciformis; Stapleton, N.T. 



Plate xvi. 

 Fig.3. — Section of termitarium of C. acinaciformis; Batchelor, N.T. 



Plate xvii. 

 Fig. 4. — Termitarium of C. acinaciformiH in termitarium of Eutermes 

 triodice; Stapleton, N.T. 



Plate xviii. 

 Fig.5. — Termitarium of C. acinaciformis in termitarium of Eutermes 

 triodice; Stapleton, N.T. 



Plate xix. 

 Fig. 6. — Termitarium of Eutermes pasiinator, showing recentl}' added por- 

 tion; Stapleton, N.T. 

 Fig. 7. —Termitarium of Eritermes pastinator; recently added portion broken 

 away, to show numerous holes in wall of older portion; Stapleton, 

 N.T. 



Plate XX. 

 Fig. 8.— Typical termitaria of Eutermes triodice.; 34-Mile Siding, N.T. 

 Railway. 



Plate xxi. 

 Fig.9.— Large termitarium of Eutermes triodice; 34-Mile Siding, N.T. 

 Railwa}'. 



Plate xxii. 

 Fig. 10. — An unusual form of termitarium of Eutermes triodice; 34-Mile 

 Siding, N.T. Railway. 



Plate xxiii. 

 Fig. IL— Termitarium of Euttrmen triodice; Batchelor, N.T. 



12 



