452 



is extended into a long, strong, outward-curved process, which about 

 the middle, above, carries a tooth, or at that point as it were leng- 

 thens itself with a w-shaped continuation: the bulbus has at the 

 base, above, immediately outside of this process, an upright, sharp, 

 crooked spine. — For the opportunity of myself seeing and examin- 

 ing this species I have to thank Mr Cambeidge. 



(Pag. 300.) * Walckenaera atra [= Erigone sordidata N.]. 



Syn.: j-1841. Walcken A e'K A atra Blackw. , The differ, in the numb, of eyes, 



cet. , p. 631. 



1847. Argus ater Walck., H. N. d. Ins. Apt, IV, p. 508. 



As Blackwall already in 1833 gave the specific name atra to 

 another species of Erigone (E. atra Blackw., = E. vagabunda Westr. : 

 see above, p. 102), I have been obliged to give Walck. atra Blackw. 

 a new name, and call it E. sordidata. 



(Pag. 307.) Walckenaera humilis [= Erigone humiU* (Blackw.) 1841]. 



Syn.: 1841. Walckena&ra humilis Blackw., The differ, in the numb, of eyes, 



cet., p. 636. 



1847. Argus humilis Walck., H. N. d. Ins. Apt., IV, p. 506. 



1868. Lophocarenum GL0BICEPS Mekge, Preuss. Spinn., II, p. 207, PI. 



40, tab. 104. 



1871. Erigone humilis Thor., Eem. on Syn., p. 116. 

 See above, loc. cit. 



(Pag. 312.) Walckenaera pumila [= Erigone pumila (Blackw.) 1841]. 



Syn.: 1841. WALCKENAe'RA pumila Blackw., The differ, in the numb, of eyes, 



cet., p. 639. 



1847. ARGUS pumilus Walck., H. N. d. Ins. Apt., IV, p. 508. 



In the male the cephalothorax is exceedingly finely shagreened ? 

 not very glossy: the head is elevated into a protuberance, which 

 occupies the whole pars cephalica, and is not more than half as high 

 as the patellae of the l:st pair are long, almost double as long at 

 the base as it is high; behind it rises first abruptly, then in a con- 

 vex form; above it is short, but little convex, in front hairy and 

 sloping (not so steep as behind), and separated by an inconsider- 



