497 



NERIENE MINIMA. 



Argus minimus, Walcl., Ins. Apt. iv., p. 512. 

 Neriene parva, Blachw., I.e., p. 265. 



Length of the male l-20th of an inch. 



Cephalo-thorax brown, and of normal form; compressed before, 

 rounded on the sides. Legs similar in colour. Palpi also brown ; 

 radial joint produced in front, very prominent, and pointed, 

 with a large process near its base on the inner side ; digital 

 joint oval ; palpal organs prominent and complex, with a 

 prominent process on their outer side, and one or two small pointed 

 ones at their extremity. Falces darker coloured than the cephalo- 

 thorax, with a tooth-like process in front near the extremity. 



Abdomen dark -brown. 



Pound on railings, in the month of January, in North Wales. 



[I have not seen this minute spider, which appears to be a very 

 distinct one.] 



NERIENE SULCATA. 



Neriene sulcata, Blachw., I.e., p. 284. 



Length of the male 1-1 2th of an inch. 



Cephalo-thorax brown-black, with a small longitudinal 

 indentation immediately behind each lateral pair of eyes. Legs 

 red, tinged with brown. Palpi similar to the legs in colour. 

 Cubital and radial joints short; the latter strongest, with a 

 somewhat pointed apophysis at its extremity in front ; digital 

 joint irregular oval, with a lobe near the middle of the outer 

 side. Palpal organs prominent and complex, with a long, black, 

 filiform spine, enveloped in delicate membrane, and extending 

 from the upper part beyond their extremity. 



Abdomen brownish-black. 



Found on the doorsteps and gravol walk, in the months of 

 June and July, near Llanrwst, North Wales. [I have not seen 

 this spider. 



