PLATE III. 



Fig. 1. Dorcasia coaynlum (v. Mts.) ; from a specimen in the South African 



Museum. 



,, '2. D. rogerxi, nov. ; from the Type in the South African Museum. 

 ,, 3. D. roycrsi, forma maxima; from a specimen in the South African 



Museum. 



,, 4. D. cernua (v. Mts.) ; from the Type in Berlin Museum. 

 5. D. alexandri, (Gray) ; from the Type in British Museum. 

 ,, 6. D. alexandri, var. minor, Bttg. ; from a specimen in the South African 



Museum. 

 ,, 7. D. alexandri, var. rotundata, Mouss. ; from a specimen in the South 



African Museum. 

 ,, 8. D. alexandri, var. perspcctira, nov. ; from the Type in Kimherley Museum. 



