List of Plates. xix 



Plate XIV. — Heads of Larvae. 



(i) Desvoidya ventralis. Walker, 

 (ii) Culex crinifer. Theob. 

 (iii) Wyeomyia (?) leucostigma. Lutz. 



Plate XV. — Larval Characters. 



(i) Comb scales of Culex impiger. Walker. 



(ii) Labial plate of Culicada fitchii. Felt, 

 (iii) Labial plate of Culex pipiens. Linnaeus, 

 (iv) Siphon of Culex impiger. Walker. 



(v) Labial plate of Culex impiger. Walker (after Felt), 



Plate XVI. — Larval Characters. 



(i) Of Culex fatigans. Wiedemann, 

 (ii) Of Deinocerites cancer. Theobald. 



