TAlvAlIASIII : ORTHüPTKKA A\l) WATER. gg 



13. Kirbj-, W l*". 1914. !■" H. I. Acritlidae. 



14. Kolbc, H J 18S9. iMiifühluiiL; in die Kentniss dor Insekten. 



15 Morse, A. P. 1904. Rcsearclies on \orth .\.nieiic;ui Aciididae. (I'ub. 

 Carnegie Inst.) 



16. Rcdtenbacher, J. 1893 Über Wantler licuschrcckcii Jahresbericht 



deuts. K. K. Staatsrealschule Hiidwe-is, p. 1-42. (Zool. Centralblatt, 

 1S94. p, 640). 



17. Rile}', C. \^ 1 891 Destructive locusts. 



1 8. X Robertson, R. B. 1916. Taxonomic relationship shown in the chro- 



mosomes of Tcttigidae and .\cvididae Jour. Morph, p. 179. 



19. Sharp, D. 1S95. Insects (i). 



20. Shiraki, T. 1905. Die Tettigiden Japans. Trans. Sapporo N. H S p. 



157- 



21. Snodograss, R. E. 1909. The thorax of insects and articulation of 



the wings. Proc. U. S. N. M. p\). 511-595. 



22. Wcstwood, J. O. 1840. An introduction to modern classification of 



insects. 



23. Vestal, A. G. 1914- Notes on habitats of grasshoppers at Douglas 



Lake, Michigan. Ent. News. XNV. p. 105 



71-77. 



Resume 



The insects belonging to Tettigidae and .\crididae are to a great extent 

 subaquatic in habit, and they are able to swim with great facility using only 

 their hind legs. It is a well known fact that the migratory locust sometimes 

 swims crossing the river. AtractoinorpJia bedcli and Oxya velox etc., as 

 well as Tettigidae, inhabit the vicinity of streams and ponds and often jump 

 into water. 



Tettigidae 



The body is held just below the surface of water, but the insect is not 

 able to dive deeper ; and the large amount of air for respiration is carried 

 with insect under its large pronotum, on the sides of the abdomen, under 



