112 DISEASES DUE TO PROTOZOA 



(3) The projecliiiij;- proboscis of extraordinary length. 

 There are two sub-families : (a) Corethrinae. 



(b) Culicinc'e. 



SUB-FAMILY CULICIN^. 



Genus Anopheles. 

 The Sub-genera are important :-■• 

 Anopheles (sensus restrictu). 

 Mvzorhynchus. 

 Arribalzagia. 

 Christ3^a. 

 ]\Iyzom}ia. 



Pyretophorus. 

 Nyssorhvnchus. 

 Neocellia. 

 Cellia. 

 Chagasia. 

 All known carriers are included in the Genus Anopheles, of which 

 there are about 100 species universally distributed, but chiefly in the 

 Tropics. Every medical ofBcer should examine the stomach and 

 salivary glands of mosquitoes caught in his district for malarial 

 parasites in order to ascertain the species prevalent there. 

 For the dissection of mosquitoes, see p. 637. 

 The known malarial carriers in the dififerent countries are : — 



(After Alcock.) 



IN EUROPE. 



Anopheles maculipennis. 

 ,, bifurcatus. 



,, (" Pyretophorus ") superpictus. 



,, (Myzorhynchus) pseudopictus. 



IN SOUTHERN ASIA. 



Anopheles (Myzomyia) lis'.onii. 

 ,, ,, culicifacies. 



,, (Myzorhynchus) barbirostris. 



,, ,, sinensis. 



,, (Nyssorhynchus) fuligiosus. 



,, ,, theobaldii. 



,, (" Neocellia ") stephansii. 



,, ,, willmorii. 



IN TROPICAL AFRICA. 



Anopheles (Myzomyia) funestus. 



,, (" Pyretophorus ") costalis. 



