500 



INDEX. 



\V. 



Water-bears. J. Murray . 



Water-mites. Genus Tlydraclina. 

 C. D. Scar . 



Water-mites new to Britain. 

 G. P. Deeley 



Wesche,W. The male genitalia 

 of the cock- 

 roach, Periplan- 

 eta orientalis. 

 and their homo- 

 logy with the 

 genitalia in 

 Diptera 

 „ „ The proboscis of 

 the blow-fly, 

 Callipliorcb ery- 

 tliroce±)liala. A 

 study in evolu- 

 tion . 



PAGE 



51 

 271 



17 



rro 

 O 



23; 



283 



PAGE 



Wesche, W. The structure of 

 the eye-surface 

 and the sexual 

 differences of 

 the eyes in Dip- 

 tera . . . 367 

 „ „ Notes on the life- 

 history of the 

 Tachinid fly, 

 Pliorocera ser- 

 riventris (Eon- 

 dani) and on 

 the viviparous 

 habits of other 

 Diptera . . 451 

 ,, „ Note on a quick 

 method of pre- 

 paring and 

 staining pollen . 



Wright, J. T. Note on beetles 



on Turkish tobacco leaf . 472 



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