ME. J. BLACKWALIi ON SOME TUSCAN SPIDEES. 433 



Genus Tetkagnatha, Latr. 



Tetragnatha exTENSA, Walck. Hist. Nat. des Insect. Apt. torn. li. 

 p. 203; Lair. Gen. Crust, et Insect, torn. i. p. 101; Sund. Vet. 

 Ahad. Handl. 1832, p. 256; Hahn, Arachn. Band ii. p. 4'd, t. 56. 

 f. 129; Koch, Uebers. des Arachn. Syst. Heft i. p. 5; Blackvo. Spi- 

 ders of Great Britain and Ireland, p. 'dGT , pi. 27. f. 265. 



Tetragnatha gibba, Koch, Uebers. des Arachn. Syst. Heft i. p. 5. 



Titulus 3, Lister, Hist. Animal. Angl, De Aran. p. 30, tab. i. f. 3. 



Tribe SENOCULINA. 

 family DTSDEEIDiE. 



Genus Seokstuia, Latr. 



Segestria perfida, Walck. Hist. Nat. des Insect. Apt. toni. i. p. 267 ; 



Blackw. Spiders of Great Britain and Ireland, p. 373, pi. 28. 



f. 269. 

 Segestria florentina, Hahn, Arachn. Band i. p. 5, t. 1. f. 1 ; Koch, Uebers. 



des Arachn. Syst. Heft i. p. 20; Koch, Arachn. Band v. p. 72, t. 164. 



f. 385, 386. 

 Segestria cellaria, Latr. Gen. Crust, et Insect, torn. i. p. 88. 



Segestria senoculata, Walck. Hist. Nat. des Insect. Apt. torn, i, 

 p. 268; Latr. Gen, Crust, et Insect, torn. i. p. 89; Sund. Vet. Akad, 

 Handl. 1831, p. 145; Hahn, Arachn. Band i. p. 6, t. i. f. 2; Koch, 

 Uebers. des Arachn. Syst. Heft i. p. 21 ; Koch, Arachn. Band v. p. 75, 

 t. 164. f. 388; Blackw. Spiders of Gnat Britain and Ireland, p. 174, 

 1)1. 28. f. 270. 



Titulus 24, Lister, Hist. Animal. Angl. De Aran. p. 74, t. i. f. 24. 



DESCEIl'TION OF THE PLATES. 



Plati XV. 



Fig 1. Lycosa famelica, (5" ; p.o, palpal organs. 



2. Hecaerge JVrightii, $ ; s.o, sexual organs. 



3. Salticus exilis, 2 ; e, eyes. 



4. Salticus blandus, $ ; e, eyes ; t, mt, (ibia and metatarsus of a first 



and second leg. 



5. Salticus intentus, $ ; p, palp. 



6. Salticus obnixus: a,^;b,S; P- o, palpal organs of $ ; c, eyes of $ . 



