PEOCEEDINGS OF THE SOCIETY. 157 



Mr. Guimaraens : 



Quartzite from S. America and sandstone from Chesliire, exhibited 

 for comparison with the so-called " Brauufels Meteorite." 

 Mr. Groves : 



Capillary network of tracheaB on duct of salivary gland of cock- 

 roach. 



Improved Groves-Williams Ether Freezing Microtome. 

 Dr. Gibbes: 



Bacillus t'uherculosis in sputum, and injected human lung from a 

 case of Acute Tuberculosis. 

 Mr. H. F. Hailes : 



Arenaceous Foraminifera. 

 Mr. Hardy : 



Chromatoscope. 

 Mr. Hood : 



Floscularia amhigua Hudson. 

 Mr. Ingpen : 



Professor Abbe's Test-plate. 

 Mr. Joshua : 



Bulbochcete sessilis, and some Desmids. 

 Dr. Millar : 



Mylinsia Fittelli, a Hexactinellous Sponge. 

 Mr. Michael : 



Specimen of Mymar and Uropoda formicarice, a new species of 

 predatory mite discovered by Sir John Lubbock, Bart. 

 Mr. E. M. Nelson : 



Amphipleura pellucida (dry on cover), with Powell and Lealand's 

 oil-immersion l-25th, N.A. 1 • 38 (130° in glass). 



Pleurosigma formosum (dry on cover), with Powell and Lealand's 

 low-angled dry l-4th, N.A. -77 (100° in air). 

 Mr. Priest : 



Statoblasts of two new Spongillce described by Mr. Carter, 

 S. Bombayensis and S. segregata. 

 Messrs. Powell and Lealand : 



Scale of Podura with l-20th oil-immersion, N.A. 1 • 88. 



AmpMpleura pellucida with l-12th oil-immersion, N.A. 1"43. 

 Mr. Eeed : 



Section of leaf of HedycMum Gardnerianum. 

 Mr. G. Smith : 



Transparent photographs of rock sections by polarized light, and 

 section of Nepheline Dolerite. 

 Mr. J. Smith : 



Wing of peacock butterfly. 

 Mr. C. H. Stearn : 



Microscopes illuminated by minute Swan incandescence lamps, 

 Mr. Chas. Stewart : 



Botryllus sp. ? 

 Messrs. Swift and Son : 



Eggs of parasite of Ground Hornbill, 



