344 Dr. Mello-Leitao on some 



area behind eye-turret. Dorsal scutum with four trans- 

 verse grooves, i. and ii. united by a lonjiitudinal median 

 groove. Field i. with a median, very thickly granular 

 area and a ti'ansverse row of small nrjmules close to groove 

 ii. ; field- ii. unevenly granular; field iii. with two median, 

 very high, sharp spines bordered with little granules and with 

 two transverse rows of spines close to transverse groves iii. 

 and iv. ; field iv. with two low median cones and a transverse 

 row of granules; marginal fields with two rows of granules. 

 Free dorsal segments i. to iii. unarmed, with a row of granules; 

 anal dorsal plate unevenly granular. Outer apical spur of 

 coxa iv. very curved, with a short branch at its underside ; 

 trochanter with a short apical outer spur, curved forwards ; 

 femora very long and slender. Tarsus i. with six joints, 

 ii., iii., and iv. with more than six. Pedipalps as long as 

 body ; its femur unarmed. 

 $ . — 5 mm. 



Very similar to male, but tlie femur much shorter (femur 

 iv. 12 mm. in female and 45 mm. in male), and with the 

 spines of field iv. very high. Colour the saiue in both sexes. 

 Dorsal scutum brownish black ; cephalothorax with a wide 

 median olive-yellow band ; spines of eye-turi'et light yellow ; 

 granules of cephalothorax and abdominal scutum light 

 yellow ; transverse grooves white ; in field iii. there is a little 

 white, T-like groove behind the median blackish spines ; 

 field iv. light yellow. Legs chestnut. 



J-fab. Po(;o Grande, A.lto da Serra and Franca (S. Paulo). 



Type in the S. Paulo ^Museum. 



Genus Ancistrotus, Koch, 1839. 

 Ancistrotus niyricans, sp. n. 



^ . — 5 mm. 



Anterior margin of cephalothorax with two or three little 

 spines at its lateral corners and with a median thickly 

 granular elevation at its upperside. Eye-turret closer to 

 anterior margin than to transverse groove i., smooth, with 

 two high close spines. Cephalothorax smooth. Abdominal 

 dorsal scutum with four transverse grooves, ii. and i. united 

 by a longitudinal groove. Field i. with two median, low, 

 blunt tubercles and some scattered granules ; ii. with a 

 transverse row of miimte tubercles ; iii. with two high 

 median spines, bordered by a single row of granules ; iv. un- 

 armed, with two rows of granules ; marginal fields with a 

 single row of granules. Pedipalps as long as body; the 

 femur with an apical inner spine and underside unarmed. 



1 



