1917] Studies on Hydromyza Confluens Loew 45 



LITERATURE CITED 



Bembower, W. 1911. Pollination Notes from the Cedar Point Region. The Ohio 

 Naturalist, 11:378-383. 



Fulton, B. B. 1911. The Stratiomyidae of Cedar Point, Sandusky. The Ohio 

 Naturalist, 11:299-301. 



Needham, J. G. 1908. Notes on the Aquatic Insects of Walnut Lake. Appendix 

 III. A Biological Survey of Walnut Lake, Michigan, by T. L. Hankinson. A 

 Report of the Biological Survey of the State of Michigan, published by the 

 State Board of Geological Survey as a part of the Report for 1907, pp. 252-271. 



Welch, P. S. 1914. Observations on the Life History and Habits of Hydromyza 

 confluens Loew, (Diptera). Ann. Ent. Soc. Am., 7:135-147. 



EXPLANATION OF PLATE III 



Outline of egg showing surface which bears fossa and carinae. 



Outline of egg showing shape when viewed ninety degrees from position 



indicated in Fig. 1. 

 Egg capsule as it appears in transverse section. 

 Camera lucida drawing of reticulation which appears on surface of egg 



capsule. 

 Transverse section of median carina of egg. 

 Recently hatched larva. 



