PROCEEDINGS 



OF THE 



Hawaiian Entomological Society 



Vol. Ill, jSTo. 3. May to December 1915. September 1916. 



MAY 6Tir,. 1915. 



The one Innidred-seventeenth meeting of the Society was 

 held in the usual place, President Ehrhorn in the chair. 

 Other members present: Messrs. Back, Bryan, Fullaway, 

 Illingworth, Mant, Muir, Osborn, Pemberton, and Swezey. 

 Three students of Professor Illingworth's from the College of 

 Hawaii were present as visitors : A. H. Case, Y. Kutsunai, 

 and H. E. Starratt. 



Minutes of previous meeting read and approved. 



ENTOMOLOGICAL PROGRAM 



Mr. Muir gave a short summary of a paper he was pre- 

 paring for publication on "A Review of the K^ative Genera 

 of Hawaiian Delphacidae," which contained quite a number of 

 new species. 



]\Ir. Sw^ezey stated that this was one of the groups in which 

 he had collected for several years, and that he considered that 

 other grouj)s would yield new species siuiilarly if more thoroly 

 collected. 



Mr. Fullaway remarked on the very large number of un- 

 described species which he had found in looking over material 

 of the genus Sierola, collected by Mr. Swezey, Mr. Giifard, 

 and himself. 



In consideration of some of the subjects touched on by Mr. 

 Muir above, Mr. Bryan mentioned some evidences of depres- 

 sion and elevation which he had recently been making observa- 

 tions on in the Waianae region. Well drillings in one of the 

 valleys show silt to 1500 feet below sea level, from which it 

 is estimated that there has been a subsidence of at least 3000 

 feet since the valley was eroded. Some elevated coral reefs 



