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Archivos do íMuseu Nacional — Vol. XXXIII 
chestnut, with two lateral longitudinal bands. Legs and palps yellow, 
marbled in chestnut upwards. 
Carapace finely granulated, with rougher granules at borders 
of ocular groove. Tergites densely granulous ; the last with two indented 
crest. Sternites shiny, smooth, excepüng IV and V wieh are granulate at 
posterior half. 
Combs with 15 curve d teech. One file of intermediate lamellae 
which is double at its basal portion by presence of three accessory la¬ 
mellae. 
Median dorsal crests entire, granulate on segments I to IV. 
Upper and under lateral crests entire and present at all segments, th o se' 
of segment V with sharp-pointed high granules. Upper crests irítera 
paces granulous on segments I and II, Venfral face densely granulate 
on segments I and II, smooth on III and IV and presenting a median. 
longitudinal row on V. Vesicle finely granulous at its convexe portion; 
and presenting a dorsal pit (as in Bothriurus bonariensis). 
Tarsi IV with pairs of ventral spines and a median row of hairs 
■shorter than spines. 
Femur of the pedipaíps narrow, with granulous crests and 
a íorig basal trichobothria; tibia little convex, smooth, with 3 inner 
trichobothriae; hand wider than tibia, with 6 rounded crests and an 
ynner process at base of digits. 
Hab.: Punta Foca. Type; N.° 13.Q72 (Musco Bernardino Riva- 
davia). 
