344 Dr. Mello-Leitio on some 
area behind eye-turret. Dorsal scutum with four trans- 
verse grooves, i. and ii. united by a longitudinal median 
groove. Field i. with a median, very thickly granular 
area and a transverse row of small granules close to groove 
i.; 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 lil. 
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, 
ll., i. and iv. with more than six. Pedipalps as long as 
body ; its femur unarmed. 
2 .—5 mm. 
Very similar to male, but the 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 same in both sexes. 
Dorsal scutum brownish black ; cephalothorax with a wide 
median olive-yellow band; spines of eye-turret 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. 
Hab. Poco Grande, Alto da Serra and Franca (S. Paulo). 
Type in the 8. Paulo Museum. 
Genus Ancistrotus, Koch, 1839. 
Ancistrotus nigricans, sp. n. 
3 .—5d 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 1. united 
by a longitudinal groove. Field i. with two median, low, 
blunt tubercles and some scattered granules ; il. with a 
transverse row of minute tubercles; 11. 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. 
