454 



Striclulating organs of male grass- 

 hopper. ..... 



Auditory organs of female grasshopper . 



A living house-fly (Musca domestica), 

 showing head, antennae, compound 

 and simple eyes, also proboscis in 

 act of sucking honey 



Pollen — Lilium longifolium 



Polyxenes lagurus 



Flower of forget-me-not 

 „ woodruff 

 „ red dead-nettle 



Drosera rotundifolia 



Section of Cementstein, from Jutland 



Rutilaria capitata, valve and four co 

 hering frustules . 



Head of a wasp, showing mouth organs 

 Mounted without pressure 



Photo-micrographs of diatoms 



The microbe of the Indian plague 

 x 2000 diameters 



Radiolaria from the Challenger sound 

 ings 



Pedicellaria ..... 



White-nettle flower, showing pollen 



Tartaric acid .... 



Perophora listeri .... 



Larva of Corethra plumicomis 



Fungus of ringworm . 



Carious tooth .... 



Wing of small tortoiseshell butterfly 



Cyclosis in Vallisneria spiralis, with 

 y^-inch apochromatic water-im- 

 mersion objective .... 



Volvox globator, with l|-inch apochro- 

 matic objective .... 



(Jomatricha friesiana, showing the 

 " capillitium" or framework. Wall 

 of sporangium and spores blown 

 away ...... 



Mr. R. T. Lewis. 



Mr. R. Macer. 



Mr G. E. Mainland. 



Dr. J. W. Measur< 

 Mr. H. Morland. 



Mr. C. Muiron. 



Mr. E. M. Nelson. 



Mr. J. Neville. 



n n 



Mr. Frank Orfeur. 



11 11 



Mr. F. A. Parsons. 

 Mr. T. Plowman. 

 Mr. J. Pollard. 



n •• 



Mr. C. S. Poulter. 



Mr. T. H. Powell. 



Mr. J. W. Reed. 



