81 



the spots on the underside was only very partial, there being none 

 in typical lonicerae and a very smooth and full suffusion in the 

 jilipendidae. 



Mr. B. S. Williams exhibited a very brilliant male form of 

 Polyo)iniiatHs icariis a,h.clara, from Cornwall, with var. clara male 

 from Ireland and a typical male from England for comparison. 



Mr. H. Leeds exhibited a box of the undersides of female 

 F. icarns showing no fewer than 130 named forms as worked out 

 by means of J. W. Tutt's British Lepidoptera. 



Mr. K. G. Blair exhibited the bark-boring Scolytid beetles, 

 Xyleborus dispar and A', sad-eseni from Kidderminster, with sections 

 of plum-tree showing the course of their burrows. He also showed 

 Heliocopris sp. from iSiam, including the beetle and its dung-ball 

 cut open to show the egg-cavity; sent to him by Mr. E. J. Godfrey. 



FEBRUARY 2ith, 1921. 



Mr. W. S. Bristowe, Ashford House, Cobham, Surrey, and Mr. 

 Hy. Ruggles, 146, Southfield Road, Bedford Park, W. 4., were 

 elected members. 



Lantern slides were exhibited as follows : — 



Mr. A. E. Tonge, a series illustrating the Noctuid type of egg. 



Mr. Dennis, slides illustrative of an Oribatid mite. 



Mr. Bunnett, slides of the fish parasite Aryulus, species of I'rotura, 

 and the rasp of the field-cricket. 



Mr. Step, a series of slides of Crustacea including some of the 

 devices of Spider Crabs for disguise. 



Mr. Main, a set of slides to show the simplicity and advantages 

 of this method of showing results of study and of observations. 



Other exhibits were then taken. 



Mr. Leeds exhibited a very long series of undersides of the male 

 of Polijommatm icarns, each identified as a named form listed by the 

 late J. W. Tutt in his British Lepidoptera. 



Mr. Hy. J. Turner exhibited a bred series of the beautiful pale- 

 green Morplio laertes with a coloured photograph of the larvas 

 grouped naturally and resembling a flower- head ; he also showed 

 three perfect specimens of the huge Noctuid Thijmnia ayrippina, of 

 which one measured eleven inches in expanse. The whole were 

 sent from Sao-Paulo, Brazil, by our member Mr. Lindeman, who 

 reported that he had seen no fewer than eight of these large moths 

 with outspread wings on one tree. 



