272 PROCEEDINGS OF THE ACADEMY OF [1886. 



Nominal Species. Year. Identification. 



Eucinostomus productus Poey, 1876, Gerres lefroyi. 



Gerres jonesi Giinther, 1879, Genes pseudogula. 



EucinostorausharengulusGoode and Bean, 1879, Gerres gracilis. 



Diapterus homonymus Goode and Bean, 1879, Gerres gula. 



Gerres avreolus Jordan and Gilbert, 1881, Gerres aureolus. 



Gerres olisthostoma Goode and Bean, 1882, Gerres olistliostoma. 



Recapitulation. 



We have in this paper admitted 15 species of the American 

 Gerridae, and repeat here the list of species. The distribution 

 of the species is indicated by the letters W. (West Indies and 

 adjacent coasts), U. (Southern Atlantic coast of the United 

 States), and P. (Pacific coast of Tropical America). 



1. Genus GERRES Cuvier. 



1. Gerres lefroyi Goode (W.). 



2. Qerres dowi Gill (U. ; W. ; P.). 



3. Gerres pseudogula Poey (W.). 



4. Gerres gracilis Gill (U. ; W. ; P.). 



5. Gerres ealifomiensis Gill (P.). 



6. Gerres einereus Walbaum (U. ; W. ; P.). 

 7 Gerres gula Cuv. and Val. (U. ; W.). 



8. Gerres aureolus Jordan & Gilbert (Panama). 



9. Gerres peruvinnus Cuv. & Val. (P.). 



10. Gerres rhomheus Cuv. & Val. (W.). 



11. Gerres olisthostoma Goode & Bean (W. ; U.). 



12. Gerres brasilianus Cuv. & Val. (W. ; U.). 



13. Gerres lineatus Humlioldt (P. ). 



14. Gerres hrevimanus Giinther (P.). 



15. Gerres plumieri Cuv. & Val. (W. ; U.). 



