210 DIPLOPODA. 
the following transverse, but a little prominent at the base; showing an oblique backward direction, 
which gradually becomes more pronounced from the 14th to the 18th. Caudal process conical, as in 
R. mystecus. 
g. Less arched, the keels wider and horizontal, coriaceous and sparsely granular above. 
Length, 2, 37 millim., width 8. 
” Jd, 32 ” ” 6. 
Hab, Mexico, Eastern Cordillera ! 2. 
_ 1 vy: ea: 
CorrigenpuM.—Page 113, 7 of the table of the families and subfamilies of the Group PotypEsmoipxa, for 
‘no hair-lined depression ” read “ usually a hair-lined depression ” &c. 
