FIFTH REPORT OF THE DIRECTOR I908 



37 



The following North American genera and species are noted. 

 Those from the area of the State of New York or its borders are 

 narked by an asterisk: 



^urypterus 

 *approximatus Hall & Clarke 



boylei Whiteaves 



kokomoensis Miller & Gurley 

 *lacustris Hall 

 *mansfieldi Hall 

 *maria Clarke 



mazonensis Meek & WortJien 

 *microphthalmus Hall 

 *pachychirus Hall 

 *pennsylvanicus Hall 

 *pittsfordensis Sarle 

 *potens Hall 

 *prominens Hall 

 *pustulosus Hall 

 *remipes DeKay 

 *robustus Harlan 

 *stylus Hall 



sp. nov. 



Drepanopterus 

 sp. nov. 



Echinognathus 



clevelandi Walcott 



Hughmilleria 

 *shawangunk Clarke 

 *socialis Sarle 



var. robustus Sarle 



Pterygotus 

 *cobbi Hall 

 *grandis {Pohlman) 

 *globicaudatus Pohlman 

 *macrophthalmus Hall 

 *sp. nov. 



Strabops 



thacheri Beecher 



iusarcus 

 *cicerops {Clarke) 



newlini (Claypole) 

 *scorpionis Grote & Pitt 



^olichopterus 



v *macrochirus Hall 



*otisius {Clarke) 



*sp. nov. 



Stylonurus (Ctenopterus) 

 *beecheri {Hall) 

 *cestrotus {Clarke) 

 *excelsior Hall 

 *myops (Clarke) 

 *sp. nov. 

 *sp. 

 *sp. 

 *sp. 

 *sp. 



This list shows that with the exception of six species all Ameri- 

 m forms known thus far have come either from New York or 

 osely adjoining districts. 



The following species names have been rejected as synonyms: 



I. eriensis Whitfield 



I. giganteus Pohlman 

 if itisarcus grandis Grote & Pitt 

 Pterygotus acuticaudatus Pohlman 

 D . buffaloensis Pohlman 



P. bilobus Pohlman 



P. cummingsi Grote & Pitt 



P. osborni Hall 



P. quadraticaudatus Pohlman 



