48' Bulletin de la Société Tìoyale Entomologi que d'Égypt 



^,i.a. 



os. 



Fig. 3. — Anterior part of head of larva of Anopheles 

 elutus Edw., seen from above: — /. a. and o. a. inner and 

 outer anterior clypeal hairs: 



01 mm. 



01 mm. 



Fig. 4. — Float hairs of fourth stage larva of (a.) t\i^o- 

 pheles algenensis Theo., {b.) Anopheles bifurcatus L. 



