Our recognized species of Anopheles and their synonyms may 

 therefore be listed us follows. th<^ synonyms ind(Mit(Hl: 



crucians Wied. 



pictus Loew. 



? ferrughiosus Wied. 

 pnnrtipemm Say. 



hiemalis Fitch. 

 quadrimanikdus Say. 



? maculipennis Meigen. 



III. — Genus Cilkx. 



{(() RECOGNIZED SPECIES. 



1. Front tarsal claws beariiiir a distinct tooth near tlic middle of tlic nndcrside of 



each 3. 



Front tarsal claws bearing two teeth on the underside of one claw, and one on 

 underside of the other, i)roboscis destitute of a whitish band near the 

 middle 2. 



Front tarsal claws with one tooth on underside of one of the claws, none on the 

 other, bases of tarsal joints white, ])roboscis destitute of a whitish band near 

 the middle famiatus Fabr. 



2. Tarsi distinctly white at bases of the joints excitans Walk. 



Tarsi not white at bases of the joints mnsobrinus Desv. 



3. Proboscis destitute of a whitish ring near the middle 4. 



Proboscis with such a ring, ends of tarsal joints white larsalis Coq. 



4. Bases of tarsal joints not white 5. 



Bases of tarsal joints white ulimulroin Walk. 



5. Petiole of submarginal cell less than one-third of the length of that cell. 



pungens AVied. 

 Petiole of submarginal cell at least one-half of the length of that cell. 



Impifier Walk. 

 Feynales. 



1. Front tarsal claws bearing a distinct tooth near middle of underside of each. . . 2. 

 Front tarsal claws destitute of teeth 7. 



2. Proboscis destitute of a white ring near the middle 3. 



Proboscis marked with such a ring, l)ases of tarsal joints white. 



l.-niioflu/iiclins Wied. 



3. Bases of tarsal joints distinctly white 4. 



Bases of tarsal joints never white 5. 



4. Mesonotum marked with four strijies of silvery scales fasciatus Fabr. 



Mcsonotum destitute of such stripes slimuldns Walk. 



5. Last two joints of hind tarsi never white 0. 



Last two joints of hind tarsi snow white j)ostica(us Wied. 



6. Abdomen marked with a cross band of whitish scales at base of each segment. 



impiger Walk. 

 Abdomen never mark(Ml in this mamu'r, but with a cluster of whitish scales at 

 front angles of some of the segments iri>ieria(a Say. 



7. Proboscis marked with a distinct whitish ring near the middle, tarsi white at 



sutures of the joints 8. 



Proboscis destitute of a whitish ring near the middle 9. 



