THE JOURNAL OF MICROSCOPY 



AND 



NATURAL SCIENCE: 



the journal of 

 The Postal Microscopical Society. 



APRIL, 1884. 



©It p0?cboptcra paluboea* 



By a. Hammond, F.L.S. 





Plate 



ARLY in the spring of last year I found some 

 sluggish-looking larvae in the mud of a pond near 

 Finsbury Park, which I at first thought were the 

 Rat-tailed maggots, the larvae of the Drone Fly, 

 Eristalis tenax ; but on reaching home, I soon 

 found this was not the case, and on reference to 

 Lyonet,"^ discovered the object of my search in 

 one of his plates as a Tipulid Fly, under the tide 

 of Psy diopter a paludosa. On page 192 he des- 

 cribes the insect in all its stages. I have, myself, only seen the 

 larva and pupa, which present several points of interest, and 

 which I purpose here to recount, contenting myself with Lyonet's 

 description of the imago. The larvae are of a dirty white colour, 

 the transparent integument allowing much of their organisation to 



* Recherches sur I'anatomie et metamorphoses de differentes espbces d'insectes. 





