38 Apchivos do Museu Nacional — Vol. XXXIV 
Is given a table to the genus Rhopalurus with' the des- 
criplion of two new species: 
Rhopalurus pintoi n. sp, 
oT — 55 
Uniformly blackish brown with sternites and combs dark 
chestnut. Carapace with anterior border slightly emarginated, den¬ 
sely granulated, Ocular tubercle with a median deep groove, with 
superciliar keels granulated. Tergites denseíy and irregularly gra- 
nulated; the median keel strongly accentuated. Tergites VI and 
VII with five granulated longitudinal keels. Sternite 1 smooth, 
with a median triangular elevation wich extends itself trom the 
respiratory stigms to combs base; the respiratory stigms trans- 
verse linear; sternites II to IV smooth, with some sparse needle 
point depressions and a few granules at posterior and lateral bor- 
ders; sternite V very granulous, with four longitudinal keels, the 
median complete and the lateral ones on the anterior three fourths. 
Tail very densely granulated; segments I to III with io keels; 
IV with S and V without lateral keels; segments IV and V 
very depressed and much wider than anterior, Vesicle httle, glo- 
bulous, granulated, shorter than sting and presenting a Httle gra¬ 
nular tubercle under this last. Comb with 20-21 teeth, Pedipalps 
granulated: femur prismatic, with 6 keels, the ventral and dorsal 
the strongest; tibia with S keels, the ventral two with a very strong 
basal tüGth; hand much wider than tibia, with incurved digits; 
movablc digit longer than hand, with' nine lines of granules, and 
presenting two lines of accessory denticles. 
Rhopalurus lambdophorus 11. sp. 
9 “ 60 mm, 
Carapace ochraceous, with superciliar keels and median o 
cular spots black; tergites chestnut brown washed in blackish; 
sternites chestnut; I with two ( Á ) figures black; tail dark brown 
with black lines on ventral lines and two black triangles on seg¬ 
ments IV and V, Carapace densely granulated. Ocular tubercle 
with a median deep groove, with superciliar keels granulated. 
-T ergites densely and irregularly granulated, the median Keel stron¬ 
gly accentuated, toothed on tergites IV to VI. Tergite VII with 
five longitudinal keels, the one on the basal two thirds, the iiiner 
lateral incurved, on the apical 4/5 and the outer ones on the me¬ 
dian two thirds. Sternite I granulated, with a median smooth trian- 
