38 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



guished therefrom by the long lateral tooth of the harpagones 

 (fig. 8, c), which arises in a different plane from the other 

 teeth. This species ranges throughout the Antilles; we distin- 

 guish the form occurring upon the mainland in the Guianas 

 under the name lachrimans. This is probably not more than 

 a geographical race, yet the genitalia (fig. 9) apparently differ 

 in the shape and proportions of the teeth of the harpagones. 

 These apparently differ in different slides, owing to the position 

 of the parts, and too much stress should not be laid upon these 

 apparent differences. Nevertheless, there are no doubt some 

 actual differences, and the race is a good one, as we note cer- 

 tain slight differences in the coloration of the adults. 



The name lachrimans w r as proposed by us (Smiths. Misc. 

 Colls., quart, iss., LIT, 259, 1909) as a substitute for Culex 

 aikenii Dyar and Knab (Proc. U. S. Nat. Mus., xxxv, 61, 

 1908, which was preoccupied by Gnophodeomyia aikenii Aiken 

 (Brit. Guian. Med. Ann., 1906, 60, 1907), since Gnophodeomyia 

 falls as a synomym of Culex. The name Culex lachrimans 

 was founded upon adults and larvae. It has since transpired 

 that there was a mixture of material, the adults being Culc.v 

 quinquefasciatus, the larvae Culex similis. We have concluded 

 to restrict the name lachrimans to the larvae, and it will thus 

 stand for the local race of similis inhabiting the Guianas. 



Culex proximus, new species. 



The genitalia (Plate u, fig. 6) have the basal projection of 

 the harpes (fig. 6, b) long and curved. Harpagones divided 

 into two plates, the upper one very irregularly shaped and 

 toothed, a large blunt tooth at the bottom, long and curved, 

 a similar but shorter one at the top with a group of smaller 

 ones between; a long sharp tooth arising in a different plane 

 from the others (fig. 6, e) and exceeding any of them in length ; 

 lower plate concave, broad, with narrowed rounded tip (fig. 

 6, /). The plate is shown fully extended in the figure and 

 appears very broad in comparison with some of the other 

 figures, for example rcstiians (fig. 5, /), but this difference is 

 due to the position of the parts in the slide. The species is 

 especially distinguished by the length of the lateral tooth of the 

 harpagones (fig. 6, <?), which exceeds all the other teeth in 

 length. 



Our specimens of this species come from the Canal Zone, 

 Panama, and are in part those referred to by Mr. Busck as 

 Culex regulator (Smiths. Misc. Colls., quart, iss., LII, 67, 

 1908). Culex regulator is a synonym of Culex similis, to 

 which this species is closely allied, but we believe that the 



