40 
Archivos do Museu Nacional — Vol. XXXIV 
Bothriurus ROCHAI n, sp. 
cf — 48 mm* 
All scorpion light yellow, with the digits fulvous and the 
sting vesicle with the base fulvous and apical two thirds black, 
Carapace finely granulated. Ocular lubercle with a median groove 
whlch extends itself backwards to posterior border of caparace. 
Tergitcs finely granulated; V with two short granulated keels; all 
lergites with little median pit. Stèrnites shagreened, V wirhout 
keels. Tail with segmento I to IV without under keels; segments 
I and IT with upper lateral keels at apical half, separated Trom the 
upper median by a granulated space; segments III and f IV v/itli 
upper lateral keels formíng a V with the upper median; segment V 
with a median under keel and two lateral ventral keels at the apical 
two thirds (fig. 9c). Vesicle with ventral face granulated, the 
pedicle short, with two transversal files of sharp-poiented granules ; 
upper face with a longitudinal groove but without basal pit. Fe- 
dipalps: femur irregularly granulated; without keels; tibia strong- 
ly exeavated, less granulated than femur, with an upper keel and 
another, slightly curved. Hand smooth', globular, with a strong 
process at the base oT digits with are shorter than hand. 
Comb with 22 teeth, the basai plates very hairy. 
Centromachetes OBSCURUS sp. n. 
Ç — 40 mm. 
Uniformly blackish. Carapace finely granulated, as ter- 
gites I to VI; last tergite more densely granulated and two vesti- 
gial longitudinal keels. Sternites shagreened, the last one with 
irregular smooth keels, Tail parallel, very granulated; last segment 
with a median longitudinal keel, some granules provided with 
strong bristles; segment II with a short accessory keel at basal 
tbird, and segment I with a sinuous accessorv lateral keel. Vesi¬ 
cle granulaetd, with dorsal face plane. Comb with 9 tectli. Fedi- 
palps finely granulated; tibia with two trichobothriae; hand twice 
wider than tibia; fingers with two irregular lines of denlicles. 
Telotarsi ill and IV with a median file of teeth like spines and 
three pairs of lateral spines. 
lophoroxenus g. n. - Median lamellae of combs in one 
series. Telotarsi III and IV with five ventral pairs of spines and a 
median file of bristles. Movable finger of chelae with only a me¬ 
dian series of granules. Ocular turret with median groove. Fui- 
