PLATE VI 



1 Phrurolithus formica, back of female, la sternum and maxillae. 



lb epigynum of old female. Ic epigynum of young female. 

 1 d palpus of male. 1 e palpus of S from above. 



2 Phrurolithus minutus, back of c?. 2 a paljDus of <?. 2 b tarsus of 



palpus from above. 



3 Phrurolithus borealis, palpus of S, outer side. 3 a tarsus of palpus. 



4 Phrurolithus alarius, palpus of S, outer side. 4a palpus of S from 



above. 



5 Dendryphantes castaneus, dorsal markings as they appear in al- 



cohol. 5 a markings of under side. 



6 Sittacus striatus, palpus of S showing palpal organ. 6a female 



from above. 6b dorsal markings of $. 6c ventral markings 

 of $. 6d dorsal markings of S. palustris. 6e male palpus of 

 S. palustris. 



