390 



found that Scopoli was right in referring the ill and faultily but 

 nevertheless quite recognizably described Ar. ehrysops Poda to his 

 Ar. Sloani, I consider myself bound to restore to the species its 

 oldest nomen triviale, and to call it Philceus ehrysops (Poda). — 

 Whether this spider really belong to the Pauna of Scandinavia, is 

 uncertain: it is however not improbable, as according to Geube 

 (Verzeichn. d. Arachn., etc., in Arch. f. d. Nat.-Kunde Liv-, Ehst- 

 u. Kurlands, 2 Ser., I, pp. 420 (6), 449 (35)), it is met with in 

 the Russian Baltic provinces. Linn^us had received his Ar. san- 

 guinohnta from Spain (vid. loc. cit.). My specimens are from Sicily, 

 Northern Italy, Austria and Bavaria, the last (females) kindly pro- 

 vided by L. Koch. 



(Pag. 570.) 16. A. arcuatus [= Alius arcuatus (Clerck) 1757]. 



Syn.: 1757. Araneus arcuatus Clerck, Sv. Spindl., p. 125, PI. 6, tab. 1. 



1763. Aranea Marcgravii Scop., Ent. Carn. , p. 401. 

 1778. „ grossipes De Geer, Mem., VII, p. 290, PI. 17, figg. 11—14. 

 1781. „ GffiZENil Schranck , Enum. Ins. Austr. , p. 534. 

 1789. „ frontalis Oliv. , Encycl. Meth., IV, p. 223. 



1831. Salticus grossipes Hahn, Die Arachn., I, p. 53, Tab. XIV, fig. 40. 



1837. Attus grossipes Walck., H. N. d. Ins. Apt., I, p. 424. 

 1837. „ ARCUATUS C. Koch, Uebers. d. Arachn.-Syst. , 1, p. 33. 



1848. Euophrys ARCUATA id., Die Arachn., XIV, p. 30, Tab. CCCCLXXI1I, 



fig. 1298. 



1850. Maturna „ id., Uebers. d. Arachn.-Syst. , 5, p. 65. 



1868. Attus arcuatus Sim., Monogr. d. Attides, p. 35 (25). 

 1868. „ albo-ciuatus id., ibid., p. 36 (26). 



Simon himself now considers (Be'vis. d. Att., p. 143 (19)), that his 

 A. albo-ciliatus is not specifically different from A. arcuatus Sim., and 

 in this he is undoubtedly right: in Swedish specimens captured in 

 the same locality, the colour of the eyes varies from a more or less 

 pure green to a pale bronze-colour. — The female of this species 

 appears to be considerably rarer than the male. The vulva seems 

 to consist of a somewhat transversal, brown, horny area rounded 

 in front (where it is not always distinctly defined): this area ex- 

 hibits two pretty considerable, low protuberances, one on each side, 

 sharply defined, especially posteriorly, by a ww-formed furrow ex- 

 tending across the area; its obliquely truncated posterior corners 

 form one border of a narrow fovea or opening situated on both sides. 

 The legs of the female are dark brown or black, with all the tarsi 



