185 



and JV. lyra are abundant, showing great variations within the 

 probable limits of each species. There are two forms of Ehren- 

 berg's genus Actinocyclas, called by most English writers Eupo- 

 discus ; Stauroptera aspera {Y\yY.) =■ Stauroneis pulchella (W. 

 S.) is abundant and variable ; in the Zanzibar slides he had 

 seen an Auliscus which may be new, and an Isthmia certainly 

 new, with many forms common also to the Sandwich Islands. 

 Mr. Edwards has undertaken to describe and figure the new spe- 

 cies, for publication in the Journal of the Society. 



The Corresponding Secretary read the following let- 

 ters, viz : — 



From Dr. A. Snowden Piggot, of Baltimore, and William 

 Sharswood, Esq., of Philadelphia, accepting Corresponding Mem- 

 bership ; from the Royal Geographical Society of London, the 

 Societe des Sciences Naturelles de Neuchatel, the Royal Society 

 of Sciences of Gottingen, and the Natural History Society at 

 Bonn, acknowledging reception of parts of Vols. 5 and 6 of the 

 Proceedings of the Society, and No. 4 of Vol. 6 of the Journal ; 

 from the Royal Academy of Sciences at Berlin, and the Zoologi- 

 co-Botanical Society at Vienna, acknowledging the same, and 

 presenting their publications ; and from the Natural History So- 

 ciety of Emden, sending their Proceedings for 1858. 



Prof. J. L. Riddell, M. D., of the University of Louisi- 

 ana, and J. B. Avequin, M. D., of New Orleans, were 

 elected Corresponding Members. 



Messrs. N. S. Shaler and Burt G. Wilder of Cam- 

 bridge, and W. E. Sheldon of West Newton, were 

 chosen Resident Members. 



December 21, 1859. 



Dr. C. T. Jackson, Vice-President, in the Chair. 



Mr. Scudder read a paper by the late Dr. T. W. Har- 

 ris, on Cicindela Hentzii : — 



