455 



Dictydium cernuum. Showing the 

 " capillitium " or framework, the 

 outer wall of the sporangium and 

 spores having been blown away. 

 The stem becomes very weak near 

 the apex of the sporangium, so that 

 the latter may be easily swayed by 

 mites and other minute creatures, 

 who thus become dusted w T ith spores 

 and effect distribution . 



Drawings and microscopic preparations 

 kindly lent by G. Massee, Esq., 

 Cryptogam ist, Royal Botanic 

 Gardens, Kew .... 



Fern spores 



Wild thyme 



Diatoms with colour ground illumination 



Rotifers. Life in pond water 



Rotifers. Mounted .... 



Clothes moth, Tinea pellionella 



Egg case of „ „ 



Scapholeberis {Daphnia) mucronata, and 

 the surface-film of water 



Fredericella sultana .... 



Mycetozoa. Arcyria punicea 

 ,, Stemonitis fusca 



„ Trichia verrucosa 



Duodenum of cat, injected . 



Diamond beetle ..... 



Bouquet of scales .... 



Bostrychia scorpoides, showing tetra- 

 spores ...... 



Leucite in lava — Rieden Eifel 



Dolerite (altering lias), Port rush, 

 Antrim ..... 



Axonct versicolor ..... 



Deep-sea soundings .... 



Section of paint from Spitalfields door, 

 showing 33 coats. Age of door, 

 150 years 



Mr. J. W. Reed. 



Mr. Frederic Reeve. 



Mr. J. Rheinberg. 

 Mr. C. Rousselet. 



33 33 



Mr. J. Russell. 



33 33 



Mr. D. J. Scourfielcl. 

 Mr. C. J. H. Sidwell. 

 Mr. J. Slade. 



33 3) 



Mr. W. Smart. 



Mr. Alpheus Smith. 

 Mr. George J. Smith. 



Mr. C. D. Soar. 

 Mr. A. T. Spriggs. 



Mr. Alfred W. Stokes. 



