14 ARKIV FÖR ZOOLOGI. BAND 2. N:0 U). 



Eurypelma C. K. 



Simon, Eng. Hist. nat. d. Araignées T. IT, fasc. 4 p. 030. 1903. 



E. sp. 



One indeterminable specimen, a female, from Moreno, 

 Puna de Jujuy, Argentine. 



Achetopus n. g. 



This genus is very near related to Thalerothele Bertk., 

 but differs in some essential points. 



Cephalothorax low with a little, but deep and recurved 

 central fovea. Ocular tumulus broad oval truncated in front. 

 Anterior central eyes smaller than lateral ones and more 

 than their diameter apart. Anterior laterals largest, ellipsoi- 

 dal. Posterior centrals ellipsoidal, nearly in contact witb 

 posterior laterals. Anterior row very slightly procurved. La- 

 bium broader than long without cusps. Coxa of pedipalp 

 on tlie anterior side with a »lyra» of 8 curved claviform 

 spines arranged in a straight row and successively increa- 

 sing in length. (Pl. 1, fig. 3a, b). Legs comparatively long 

 with sligthly curved tarsi. These lätt er ones with a thin 

 undivided scopula. TarsaJ clawsS; superior ones with a double 

 series of denticles. Mamillse about as long as the cephalo- 

 thorax. (Pl. 1, fig. 3d). The apical joint straight and a b ttle 

 longer than t lie second one. 



A. erlaiidi n. sp. (Pl. 1, fig. 3, a— d). 



Male. — Cephalothorax broad oval, longer than broad. 

 Cephalic area very low and occupying a little more than 

 half the length of cephalothorax. Cephalic and thoracic stria:* 

 well marked. Central fovea deep recurved. Colour påle yellow- 

 brown with front-margin infuscate. It is clothed with a very 

 fine adpressed whitish pubescence and the margins are fringed 

 with long black hairs. 



Eyes. — Ocular tumulus black, comparatively \ow, 

 about twice broader than long, rounded behind and trun- 

 cated in front. Anterior row very slightly procurved. 

 only as much as the front-edge of anterior centrals reach 

 a little way behind that of anterior laterals. Anterior 

 centrals circular smaller than anterior laterals and about 



