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NEW YORK STATE MUSEUM 



Genus corynoides Nicholson 

 Corynoides calicularis Nicholson 

 C. gracilis Hopkinson 



mut. perungulatus nov. 

 C. curtus Lapwortli 



var. comma nov. 



Genus protovirgllaria McCoy 

 cf. Protovirgularia dichotoma McCoy 



REJECTED (VEX ERA 

 Genus phycograptus Gurley 

 Genus megalograptus Miller 



Order II GRAPTOLOIDEA Lapworth 



Suborder A GRAPTOLOIDEA AXONOLIPA Freeh em. Ruedemann 



Family dichograptidae Lapworth 



Genus didymograptus McCoy 

 Didymograptus sa^itticaulis Gurley 

 D. serratulus {Hall) 

 D. siibtenuis {Hall) 



(Didymograptus ? elegans Emmons) 

 (D. rectus Emmons) 



Genus azygography Xicholson 

 Azygograptus walcotti Lapworth 

 A.? simplex sp. nov. 



Family lb:ptograptidae Lapworth 



Genus leptograptus Lapworth 

 Leptograptus flaccidus {Hall) mut. tren- 



tonensis nov. 

 L. flaccidus ( Hall) var, spinifer Elles & 

 Wood 



mut. trentonensis nov. 

 mut. trifidus nov. 

 L. annectans {Walcott) 



Genus syndyograptls gen. nov. 



Syndyograptus pecten sp. nov. 



Genus plcurograptus Xicholson 

 Pleurograptus linearis {Carruthers) 



Genus amphigraptljs Lapworth 

 Amphigraptus divergent {Hall) 

 A. multifasciatus {Hall) 



Subfamily nem agraptidae Ruedemann 



Genus nemagraptus Emmons 

 Nemagraptus gracilis ( Hall) 

 var. surcularis ( Hall) 

 var. crassicaulis Gurley 



var. distans nov. 

 var. approximates nov. 

 Nemagraptus exilis Lapworth 

 var. linearis nov. 



Family dicranograptidae Lapworth 



Genus dicellograptus Hopkinson 

 Diccllograptus cf. complanatus Lapworth 

 D. mensurans sp. nov. 

 D. divaricatus {ILilD 



var. salopicnsis Elles tC 1 Wood 



var. rigidus Lapworth 

 var. rectus nov. 

 var. bicurvatus nov. 



P. intortus Lapworth 



V). gurleyi Lapworth 



