230 



H.6 = the sandy beach, moist near the water level, extend- 

 ing for a mile or two along the river and lakes just above and 

 below Havana. (See p. 198, and PL XXIII.) 



H.m. = miscellaneous situations about Havana. 



Mer. = a very sandy small area, with blowouts, some black- 

 jack, sand-pit, and adjacent sandy river bank, just south of 

 Meredosia, 111. (See p. 198.) 



Mol. = = the Moline Sand Hill, on the left bank of the Rock 

 River near Moline, with a small summit area of waste sand 

 land, and blowouts, adjoining a close-cropped sandy pasture. 

 (Seep. 198.) 



For the sake of brevity, Je., Au., and S. are used respectively 

 for June, August, and September. 



Arachnida. 



Phidippus insolens Hentz (Banks, det.). H.l, 4, Mer. ; Je. 6, 7, 

 Au. 20, 22, 29. (8) Blow-sand and dune tops. Mimics fe- 

 male Mutillidoe. 



Acrosoma rugosa Emerton (Banks, det.). H.5, Au. 12. 



Wala mitratus Hentz (Banks, det. ) H.2, Au. 18. 



Tetragnatha laboriosa Hentz (Banks, det.). H 2, Au. 18. 



Xysticus gulosus Keys (Banks, det.). H.2, 4; Je. 6 ( immature), 

 Au. 18. (5) 



Liobunum vittatum Say (Banks, det.). H.2, 6; Je. 9, Au. 12, 18, 

 19. (11) Abundant on mullein along river bank All 111. 



Trombidium locustarum Riley. H.2, Au. 19. (2) On Melanoplus 

 angustipetmis. 



Platyptera. 



Termes iiavipes Kollar. H.2, 5; Au. 17,19. (8) Common on the 

 under part of sticks and logs on sand. Observed swarming 

 from a house in Havana. 111., especially southward. 



Orthoptera. 



Isohnoptera inwqualis Sauss.-Zehntn. H. 1,2, 4, 6, H.m.; Je. 7, 8, 

 9, 12, Au. 18, 19, 20, 22. (11) All 111., common; Iowa. 



Blatta orientalis Linn. H.m., Je. 18, 25. (2) 111. 



Bacunculus blatchleyi Gaud. H.l, Au. 22. (2) On dry prairie 

 vegetation. All 111., not rare; L. Geneva, Wis. (Note 1) 



Tettix arenosus Bu>m. H.6, H.m.; Apr. 13, May 6, Je. 8, 9. (6) 

 All 111. 



