1922 ] A New Javan Chilopod of the Genus Mecistocephalus 179 
sides a little concave. Caudal end of median piece straight and 
weakly tridentate. Anterior margins of lateral pieces concave, 
bending more strongly forward toward mesal ends. Caudomesal 
angles of lateral pieces a little produced, their apices on a level 
with caudal end of median piece. 
Prosternal teeth small and acute. The usual teeth present 
on joints of prehensors, the distal one of femuroid being largest; 
all oblique and rather slender though distally rounded. 
Sternal impressions not furcate anteriorly. 
Ventral plate of pregenital segment strongly narrowed 
caudad, trapeziform. Coxal pores on each side small, moderate 
in number. 
Pairs of legs, 49. 
Length, 20 mm. 
Cotypes in Museum of Comparative Zoology and in collec- 
tion of The Federal Horticultural Board. 
