CHAMBERLIN: THE CHILOPODA OF BRAZIL. 183 
SCOLOPENDROPSIS CALCARATUS (Pocock). 
Pithopus calcaratus Pocock, Ann. mag. nat. hist., 1891, ser. 6, 7, p. 224, pl. 5, 
fig. 3. 
Scolopendropis calcaratus Brélemann, Ann. Soc. ent. France, 1902, 71, p. 651; 
Cat. Myr. Brésil, 1909, p. 32. 
Localities — State of Bahia: Bahia (type locality), Santo Antonio 
da Barra; State of Rio Grande do Norte: Natal! (W. M. Mann). 
Cear4-Mirim! (Mann and Heath). 
CupiPEs Kohlrausch. 
Archiv. naturg. 1881, 47, 1, p. 78; Kraepelin, Revis. Scolop., 1903, p. 174; 
Verhoeff, Bronn’s Thierreich, 1907, 5, p. 260. 
Key to Species. 
a. Femur or second joint of anal legs armed dorsally at distal end 
with two bifid spines, one on each side of the longitudinal furrow. 
C. brasiliensis Humbert and Saussure. 
aa. Femur of anal legs unarmed. 
b. Only the twenty-first dorsal plate distinctly margined. 
ce. Most legs with a tarsal spine; last ventral plate parallel 
sided, not narrowed caudad........ C. spinifer Kraepelin. 
ee. All legs without tarsal spines; last ventral plate narrowed 
caudad. 
d. Prefemur of anal legs with about five to eleven spines 
distributed over its surface....C. ungulatis Meinert. 
dd. Prefemur with only two spines, these being those at 
dorsomesal angle of distal end. i 
C. ungulatis mitis Brélemann. 
bb. Plates from seventh to tenth caudad also margined as well 
as the twenty-first. 
e. Coxopleura with a short but distinct process at meso- 
caudal corner (Plate 2, fig. 9); each dental plate of 
prosternum with an elongated ectal process and a single 
mesal tooth at base of this (Plate 3, fig. 5); head dis- 
tinctly longer than wide.......... C’. amazonae, sp. nov. 
ee. Coxopleura with no such process, simply rounded at meso- 
caudal angle (Plate 3, fig. 8); each dental plate with four 
subsimilar teeth of the usual form (Plate 3, fig. 7); head 
equal in length and breadth...... C. neglectus, sp. nov. 
