376 PROCEEDINGS OF THE SOCIETY. 



Mr. A. D. Michael : 



A hymenopterous insect, showing the abortion of the hind wings, 

 wliich merely support the fore pair, and one of the Oribatidae, 

 Nothrus spiniger. 

 Messrs. Powell and Lealand : 



Pleurosigma angulatum with -^^ oil-immersion objective, Amphi- 

 pleura pellucida with water-immersion J and new oil-immersion 

 condenser. 

 Mr. B. W. Priest: 



Grantia compressa, showing the osculum. 

 Mr. Walter W. Beeves : 



An alga, new to this country, SpJiceroplea annulina (Roth.). 

 Mr. James Smith : 



Pleurosigma formosum and -^^ immersion objective. 

 Mr. Alpheus Smith : 



Foraminifera {Polytrema ruhra). 

 Mr. Charles Stewart : 



Spicula cells of Welwitschia mirahilis, showing crystals in the wall. 

 Mr. Amos Topping : 



Stained palates of whelk, periwinkle, &c., in two colours. 

 Rev. J. E. Vize : 



Glceocapsa sanguinea (Kiitz.). 

 Mr. F. H. Ward : 



Twelve sections of plant stems, double stained. 



Walter W. Reeves, 



Assist.-Secrctary. 



