ARACHNOIDEA. 593 



Sp. Latrodectus malmignatusV?ALCK.,Aranea 13 gnttata Rossi, FABR., Rossi 

 Faun, etrusca PL ix. fig. 10, WALCK. Aran. I. PI. 5 ; this species is 

 found in Italy and Corsica, and named ragno malmignato ; it has thirteen 

 carmine-red spots on the abdomen. Its bite is poisonous, and causes strong 

 convulsions. Compare A. RAIKEM Recherdies sur le Theridion marmig- 

 natte de Volterra, et sur les effets de sa morsure. Ann. des Sc. not. 2e Se*rie, 

 Tom. XI. 1839, Zool pp. i 27. 



Note. LATREILLE joined this genus with the following, from which it 

 scarcely differs except in the arrangement of the eyes. 



lion WALCKEN. Ocelli subequal, mostly small, four 

 dddle disposed in form of a square, two lateral on both sides 

 >proximate, sometimes contiguous (' !'). Feet of first and 

 md pair longer tlian the rest. 



Sub-genera: Eucharia KOCH, Ero KOCH, Pachygnatha SUNDEV., 

 Steatoda SUNDEV., Dictyna SUNDEV. (Ergatis BLACKW.) 



Sp. Theridion benignum WALCK.. WALCKEN. Araneid. v. PL 8, KOCH 

 Arachn. in. Tab. 83, figs. 184, 185 ; a small grey spider much found 

 amongst grapes, and whose fine web protects them from other insects. 



Bolyphantes KOCH. (Neriene BLAOKW.) 



Argus WALCKEN. 

 Erigone SAVIGNY. 

 Micryphantes KOCH. (Walckenaera BLACKW.) 



C. Orbitelce LATE. Spinarets conical, convergent. Ocelli near 

 e margin of the cephalothorax inflected forwards, not disposed in 

 segment of a circle or a lune. Maxillae straight, broader towards 

 e extremity. First and second pairs of feet longer than the rest, 

 e first pair longest of all. 



Spiders weaving nets orbiculate, formed of concentric circular and 

 straight threads, radiating from the common centre. Legs when at rest 

 drawn upwards. 



Linyphia LATR. Ocelli four middle, placed in two rows ; the 

 isterior more remote ; two lateral on each side approximate, placed 

 fliquely. Maxillae substraight, remote. 



Compare WALCKENAEK Hist. not. des Apt. u. pp. 233 284. A genus 

 intermediate between this family and the preceding, to which it might per- 

 haps be more correctly consigned. 



Manduculus BLACKW. 

 VOL. I. 88 



