F. P. SMITH ON THE SPIDERS OF THE WALCKESAERIA GROUP. 243 



Arrecerus atro-tibialis, (Cambr.), 1878. 

 1878. Xeriene atro-tibialis, Cambr., Ann. Mag. Nat. Hist. 

 1879-81. Walckenaera atro-tibialis, Cambr.. Spid. Dorset. 

 1900. Prosopotheca atro-tibialis, Cambr., List Br. Ir. Spid. 



Arrecerus incisus, (Cambr.), 187o. 

 1870. Xeriene incisa, Cambr., Trans. Linn. Soc. 

 1879 -81. Xeriene incisa, Cambr., Spid. Dorset. 

 1884. Prosopotheca incisa, Sim., Ar. de France. 

 1900. „ „ Cambr., List Br. Ir. Spid. 



Genus Evansia, Cambr., 1900. 



1900. Evansia, Cambr., Proc. Dorset F. Club. 

 Type : E. merens, Cambr. 



Evansia merens, Cambr., 1900. 

 1900. Evansia merens, Cambr., Proc. Dorset F. Club. 



G-enns Jacksonia (new name to replace Phalops, preoccupied). 



1833. Walckenaeria, BL, Lund. Edin. Phil. Mag. {ad partem). 



1836. Micryphantes, C. L. Kocb, Die Arach. (ad partem). 



1861. Erigone, Westr., Ar. Suec. (ad partem). 



1864. Walchenaera. Bl., Spid. G. B. L. (ad partem). 



1864. Arrecerus, Sim., Hist. Xat. Araig. (ad partem). 



1868. Phalops, Menge, Preuss. Spin, (ad partem). 



1868. Lophomma, Menge, Preuss. Spin, (ad partem). 



1868. Tmeticus, Menge, Preuss. Spin, (ad partem). 



1870-3. Erigone, Thor., Rem. on Syn. (ad partem). 



1879-81. Walckenaera, Cambr., Spid. Dorset (ad partem). 



1884. Walckenaera, Sim., Ar. de France. 



1886. Phalops, Dahl, Jlonog. Erig. 



1886. Trachynotus, Dahl, Monog. Erig. (ad partem). 



1900. Walckenaera, Cambr., List Br. Ir. Spid. 



Of the three species included by Blackball in WalcJeenaeria 

 (1833), cristata, BL, was removed to Argus (Walckenaer, 1837). 

 and acuminata, BL, to Arrecerus (Simon, 1864). In 1868 Menge 

 removed acuminata, ,B1. (under the name of cornutum, Wid.), 

 to his genus Phalops, in which he also included Erigone contra, 

 Westr., Erigone gibbicollis, Westr., and Phalops fa rcillat as, Menge. 

 E. conica, Westr., is synonymous with froatata, BL, which is the 

 type of the genus Savignia, BL (1833). E. gibbicollis, Westr., is 



