JrtU^ 



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Female G-nat oe Mosquito, magnificil almul five diameters. 

 The rod-like projection from the he-nl ix ll:r hiliinm.from irhicJi 

 one of the stiilcts^jyrolMhlii thetahriim.issij>fi,nh,l hinentli ; the other 

 piercinff orr/ans lie within it. The nn',i>i/r .muil Im-ii pirlpi run l/e 

 seen at the //rise of the labium as tiro little ih'rk sirfihs. mi:' nhore.the 

 other heloio. The nervures of the trii/t/s look Ihirk tnni rlitmli/ hecaiise 

 of the senles that lie aloni; them. Tins insert "hites" i.e., siirhs hloud. 



Male G-xat, magnified about five diameters. 



The rod-liJce labium is seen as in the female, but the maxillari/ 

 palpi are enormously elongated, and are broadened and f ringed at the 

 tip lii-e twq flubs, above and below the labium. The nntennre are 

 deeply fringed. This insect does not " bite." 



Lauva of G-xat, magiiilied alunil toi; diametors. 

 The broad head and thorax- are followed b;i the cylindrical liody. 

 in which the dark dii/exlire tube is seen. At the lower end (tail) 

 n branch projects at an angle, carrying within it the main trachea 

 or breathing tube, the entrance to which is at the ex-treme lip on the 

 left. 



Pvv.\ OF (jXAT, magnified about ten diameters; 

 The tail is furnished with two transparent .steering and swimming 

 ptddle.i, and from the back of the thorax- arise, as two horns, the two 

 :>/)enings to the breathing apparatus (thoracic tpiracle.i). Legs and 

 ii-inqs can be seen folded up under the thin transparent sfrin of th^ 

 lhora.r. 



MALE AND FEMALE GNAT OR MOSQUITO, with Larva and Pupa, from photographs lent by 



Newton & Co., of Fleet Street. 



