IV. 



INDEX. 



Page 

 Stiibbs, Rev. E. T., on a 

 Supposed New Species of 



Caligus 57 



Stylaria Paludosa ... ... 8i 



Tanypus Maculatus, on the 



Larva of . . . 

 Teeth from the Sucker of the 



Cuttle-Fish 

 Teeth of Blow-Fly ... 

 Teeth, to Grind Sections of 

 Telephorus ... 

 Thymus Gland 

 To Our Readers ... 

 Tortoise Tick, Proboscis of 

 Trichina Spiralis ... 

 Tubifex Rivulorum 



Ulva Crispa 



83 



146 



37 

 T92 



43 



155 



I 



92,95 



QT 



14 



99 



Page 

 Unpressed Mounting for the 

 Microscope ... ... 129 



Vegetable Marrow, Hair 

 on Leaf of ... ... 36 



Velia Currens ... ... 154 



Vereker, Hon. J. G. P., on 

 Numerical Aperture ... 7 



Yieillott's Pheasant, Eggs of 

 Louse of 93, 95 



Vital Absorption in Plants 42 



Wade-Wilton, E., on Pond- 

 Hunting in Winter ... 183 



Water-Collecting Apparatus 158 



West, Tuffen, An Hour at the 

 Microscope with 34, 90, 145 



Winter, Pond-Hunting in ... 183 



Xanthidia in Flint 



41 



