S.A. X AT., VOL. XV. 
march 27th. 1934 . Entomolrjjcal Club of S-.E .■>■. 
July 20th—The aquatic Hemiptera ( Crytocerata) were 
shown by Mr. Hale and their habits discussed and illustrated 
bv means of lantern slides. Mr. J. \\ . Kvans brought forward 
specimens of Cicadas including the archaic non-stridulating species 
of Tettigarcta. 
A 11 l’L ist 16th—The interesting Trombid Mite. (Aiyzerla vius- 
zraeei l hist, and the rare Polyxemd Myriapod, Sxnxenus uneae- 
hollaniiac Silv., the first from \\ oodsidc, tlie other from (lien 
Osmond, were shown by the Secretary. 
September 21st—! )r. Pulleii'ie gave a talk on Spiders, dealing 
in detail with the various families. A verv fine photograph of 
the fossil insect Lemnatop/iora typica Sell. {Protoperlaria Tilly- 
ard.) from the Kansas beds. 
October 19th—'The Entomological Laboratories of the \\ aite 
Instituted were vistecl and the various researches in progress 
were explained In Dr. Davidson. Mr. Kvans and Mr. Swan. 
November 16th—Mr. X. I>. Tindalc exhibited the Museum 
material of the Ilepialid Moths and detailed his st udies ; ; he 
Oncopcra and other groups of these moths. The Secretary show¬ 
ed specimens of the Australian species of [apygidae. 
TWO NEW GENERIC NAMES 
FOR SOUTH AUSTRALIAN MARINE MOLLUSCA. 
By Tom Iriedalk. 
{Contribviion from the Australian Museum . Sydney, .Y.S.H .) 
Recently some molluscs trawled off the New South Wales 
coast necessitated comparison with srecies of the genera allied to 
Amoria and lluidsia, and the opportunity offers for the recogni¬ 
tion of the good work being done in connection with South Aus¬ 
tralian Mollusca by Messrs. I>. C. Cotton and F. K. Godfrey. 
Genus COTTONIA nov. 
Tv pc S cap hell a dannevigi Verco. 
A genus of the Volutidae (sensu latissimo) large, thin, elon¬ 
gate oval, large apex, deciduous at ail early stage, two or three 
whorls remaining, outer lip thin, fragile, columella with three 
long pleats. 
When Verco (Trans. Roy. Soc. South Ansi. vol. XXX\ I, 
1912. p. 225, pi. XIII, Tigs. 1. 2 (in colour). December: 105-77 
fathoms 90 miles West of the meridian of Eucla) described this 
very fine shell he overlooked / oluta nodiplicata Cox (Proc. Malac. 
