_Anopheles_, Meigen 566 Genus. _Myzomyia_, Blanchard; _Grassia_, Theobald 567 Genus. _Neomyzomyia_, Theobald 567 Genus. _Cycloleppteron_, Theobald 567 Genus. _Feltinella_, Theobald 567 Genus. _Stethomyia_, Theobald 567 Genus. _Pyretophorus_, Blanchard; _Howardia_, Theobald 567 Genus. _Myzorhynchella_, Theobald 568 Genus. _Manguinhosia_, Cruz (in Peryassu) 568 Genus. _Chrystya_, Theobald 568 Genus. _Lophoscelomyia_, Theobald 568 Genus. _Arribalzagia_, Theobald 568 Genus. _Myzorhynchus_, Blanchard; _Rossia_, Theobald 568 Genus. _Nyssorhynchus_, Blanchard; _Laverania_, Theobald 569 Genus. _Cellia_, Theobald 569 Genus. _Neocellia_, Theobald 569 Genus. _Kertészia_, Theobald 569 Genus. _Manguinhosia_, Cruz 569 Genus. _Chagasia_, Cruz 570 Genus. _Calvertina_, Ludlow 570 Genus. _Birónella_, Theobald 570 Sub-family. _Megarhininæ_ 570 Genus. _Megarhinus_, Robineau Desvoidy 570 Genus. _Toxorhynchites_, Theobald 570 Sub-family. _Culicinæ_ 571 Genus. _Mucidus_, Theobald 571 Genus. _Psorophora_, Robineau Desvoidy 571 Genus. _Janthinosoma_, Arribalzaga 571 Genus. _Stegomyia_, Theobald 571 _Stegomyia fasciata_, Fabricius (Yellow Fever Mosquito) 574 _Stegomyia scutellaris_, Walker 575 Genus. _Theobaldia_, Neveu-Lemaire 575 _Theobaldinella_, Blanchard 575 _Theobaldia annulata_, Meigen 575 Genus. _Culex_, Linnæus 575 Genus. _Melanoconion_, Theobald 576 Genus. _Grabhamia_, Theobald 576 Genus. _Pseudotæniorhynchus_, Theobald; _Tæniorhynchus_, Theobald, non-Arribalzaga 576 Genus. _Tæniorhynchus_, Arribalzaga; _Mansonia_,