chamberlin: the chilopoda of brazil. 183 



SCOLOPENDROPSIS CALCARATUS (Pocock). 



Pithopus calcaralus Pocock, Ann. mag. nat. hist., 1891, ser. 6, 7, p. 224, pi. 5, 



fig. 3. 

 Scolopendropis calcaralus Brolemann, Ann. Soc. ent. France, 1902, 71, p. 651; 



Cat. Myr. Bresil, 1909, p. 32. 



Localities. — State of Bahia: Bahia (t\TDe locality), Santo Antonio 

 da Barra; State of Rio Grande do Norte: Natal! (W. M. Mann). 

 Ceara-Mirim I (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. hrasiliensis Humbert and Saussure. 

 aa. Femur of anal legs unarmed. 



b. Only the twenty-first dorsal plate distinctly margined. 



c. Most legs with a tarsal spine; last ventral plate parallel 



sided, not narrowed caudad C. spinifer Kraepelin. 



cc. 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. 



C. ungulatis mitis Brolemann. 

 bb. Plates from seventh to tenth caudad also margined as well 

 as the twenty-first. 

 c. 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. 



cc. 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. 



