EXPLANATION OF PLATES. 

 Plate 1. 



Fig. 1. Cryptotennes infumatus, wing and pronotum. 



2. Reticulitermes flavipes, venter of male and female. 



3. Amitermes (?) perple.vus, maxilla and right jaw of worker. 



4. Amitermes tubiformans, maxilla and right jaw of worker. 



5. Anoploterm.es fumosiis, maxilla and right jaw of worker. 



6. Constrictotermes tenuirostris, maxilla and right jaw of worker. 



7. Constrictotermes, gula of adult. 



8. Amitermes, gula of adult. 



9. Nasutitermes, gula of adult. 



10. Leucotermes, gula of adult. 



11. Prorhinotermes, gula of adult. 



12. Reticulitermes, gula of adult. 



13. Termopsis, gula of adult. 



14. Kalotermes, gula of adult. 



15. Cryptotennes cavifrons, right jaw of soldier. 



Plate 2. 

 Fig. 1. Kalotermes marginipennis, venation of fore wing. X 12. 



2. Kalotermes schwarzi, venation of fore wing. X 12. 



3. Kalotermes minor, venation of fore wing. X 14. 



4. Kalotermes hubbardi, venation of fore wing. X 12. 



Plate 3. 



Fig. 1. Neotermes castaneus, venation of fore and hind wings. X 12. 

 2. Cryptotennes cavifrons, venation of fore and hind wings. X 17. 



Plate 4. 



Fig. 1. Prorhinotermes simplex, venation of fore wing. X 16. 



2. Anoplotermes fumosus, venation of fore and hind wings. X 13. 



Plate 5. 

 Reticulitermes flavipes. 

 Earthlike shelter tubes built over a brick wall in a dark basement of an infested build- 

 ing in Washington, District of Columbia. The termites were thus enabled to pasa 

 from one wooden floor to another over the impenetrable brick. (Flashlight.) 



Plate 6. 

 Coptotermes, species. 

 Damage to lead sheathing of underground cable and perforations in tarred parcelling. 

 Gold Hill, Panama, October 29, 1916. 



Plate 7. 

 Amitermes wheeleri. 

 Dry hard wood of a dead mesquite tree honeycombed. Laguna, Texas. 



Plate 8. 



The pro and meso thoracic tibiae of earth-inhabiting worker termites contrasted to show 

 subfossorial prothoracic tibiae in some species. 



207 



