568 



OBJECTS EXHIBITED, WITH NOTES 



March 6th, 1903. 



Mr. H. Morland : Trinacria grunowii^ from deposit at 

 Simbirsk, Russia, showing " front " and " side" views of valve. 



Mr. K. I. Marks : Transverse section of young stem of 

 Clematis japonica, showing open collateral fibro-vascular bundles, 

 the number of the same being few, as it is a leaf climber. 



Mr. A. L. Still : Plumularia 2nnnata. Killed with cocaine 

 and osmic acid. Stained with carmine. Mounted in balsam, 

 1896. 



Mr. H. J. Quilter : Foraminifera from the London clay. 

 Taken from Hampstead Heath Tube station. 



Mr. F. E. Filer : Mitosis in endosperm of Fritilkiria imperialis. 



Mr. A. Downs : Spirillum rugida, a bacterium common in 

 bog water. 



Mr. A. E. Hilton : Head of House Gnat, Culex pijnens^ 

 showing plumed antennae, labium, and palpi. Mounted in 

 glycerine, without pressure. 



March 20th, 1903. 



Mr. A. L. Still : Portion of a twelve -months' -old culture (on 

 French plum) of Eurotium ccspergillus-glaucus, showing a few 

 heads of gonidia and numerous ripe ascocarps. The contained 

 ascospores are still capable of fairly rapid germination. 



Mr. A. Downs : Hydra viridis, showing the testes and the 

 active spermatozoa. 



April 3rd, 1903. 



Mr. H. Morland: Pyxilla americana, from Sendai "cementstein,' 

 Japan, showing how the opposing frustules cohere to each other. 



