ARANEIDEA. 
Arachn. 15 
(sep.), pi. iii. figs. 12 & 13, Terra del Fuego ; A. nevadensis , severus , 
pictus , spp. nn., Nevada and Washington Territory, id. ibid. 
Mezentia macilenta, sp. n., id. op. cit. 1885, p. 16, pi. x. fig. 17, Kinta 
Valley. 
E RESIDE. 
The young males of Eresus cinnabarinus are uniformly black, like the 
females ; Bertkau, Yerh. Ver. Rheinl. 1883, p. 213. 
Stegodyphus mimosarum , sp. n., Pavesi, Ann. Mus. Genov, xx. p. 81, 
Daimbi. 
Uloborid^:. 
Emerton, H. J. The Cobwebs of Uloborus. Am. J. Sci. (3) xxv. 
pp. 203-205, 2 woodcuts. 
Uloborus niloticus, sp. n., Simon, Bull. Soc. Zool. 1884, p.20, Khartoum, 
DlCTYNIDiE. 
Bertkau, P. Ueber die Gattung Argenna (Thor.) und einige andere 
Dictyniden. Arch. f. Nat. xlix. p. 374-382, pi. xi. 
The genus Argenna (Thor.) belongs to the Dictgnidce , with the species 
A.mengei (Thor.), pallida (L. Koch), ( Dictyna ) albopunctata (Menge), 
( Lethia ) albospiraculis (Cambr.). and A. testacea, sp. n., p. 388, figs. 1, 2, 
4, & 5, Rheinbrohl. The author makes also some observations on the 
recept. seminis of Dictyna viridissima. 
Lathy .s, n. n. for Lethia (Menge), preocc. ; Altella , n. n. for Amphissa 
(Cambr.), preocc. ; Devacle , n. n. for Diotima (Sim.), preocc. ; Scotolathys, 
g. n., allied to Latliys, for S. simplex, sp. n., from Oran ; Chcerea, g. n., 
allied to Dictyna , for C. maritimus , from Nemours, near Oran, Carthagena : 
Simon, Bull. Soc. Zool. ix. pp. 321-327. 
Dictyna crassipalpis, sp. n., Dahl, t. c. p. 54, pi. ii. fig. 31 ; D. vittata , 
p. 663, pi. xxi. fig. 12 [D. volupis (Keys) redescribed and figured, p. 664, 
fig. 13], arundinaceoides , p. 665, fig. 14, Canon City, Col., spp. nn., Keyser- 
ling, Yerh. z.-b. Wien, xxxiii. ; D. cognata , sp. n., Cambridge, Ann. N. H. 
(5) xv. p. 237, pi. ix. fig. 1, Netherlands ; D. olivacea, from La Goulette, 
and frutetorum, from Draham, p. 32, palmarum , from Gabes, p. 33, 
spp. nn., Simon, Explor. Tunisie. 
Micryphantiae. 
Bertkau, in Yerh. Yer. Rheinl. pp. 226 et seq., includes in this 
family the species of Erigone , Neriene , and Walclcenaera , with highly- 
developed tracheae ; there are excluded Erigone livida , clarkii , rufa, ccipu- 
cina , pabulatrix, silvatica , thoracica , Jiardii , with simple tracheae, which are 
placed with the Theridiiclce. The following new genera are proposed :— 
( Edothorax, g. n., for 0. gibbosus (Cambridge). 
Stylothorax, g. n., for S. apicatus (Blackw.). 
Ithyomma, g. n., for I. cucullatum (C. L. Koch). 
Diplocephalus , g. n., for D. foraminifer (Cambr.). 
