294 Dr. Mello-Leitio on the 
side of the segment or extending to its base ; of iii. about 
half and of iv. nearly one-third or less. 
Protarsus i, (in the male) sometimes more or less bowed. 
Geographical Distribution of the Genus Grammostola. 
Tibie i. (in male) with two apical spurs; upper tibial spur 
rounded at apex, unarmed or with one or two spines lying 
along its underside; lower spur strong, directed vertically 
