(syn. Poicephalus Ϯ Red-fronted Parrot P. gulielmi) Gr. ευ eu fine, good; ψιττακος psittakos parrot; "The genus Poicephalus contains four well-defined groups of species, which may be differentiated as follows: 1. Bill pale above and below, wing over 7 inches in length, culmen over 1 inch in length: P. robustus and allies. 2. Maxilla pale, mandible dark, wing over 7 inches, culmen over 1 inch: P. gulielmi. 3. Maxilla dark, mandible pale, wing under 7 inches, culmen not over 1 inch: P. fuscicapillus and P. flavifrons. 4. Entire bill dark, wing under 7 inches, culmen under 1 inch: P. senegalensis, rufiventris, meyeri and ruppelli. The fourth group represents the typical Poicephalus, the third may be placed in a new subgenus, MICROPSITTACUS, type Pionus fuscicapillus Verr. and Des Murs, the second in a new subgenus, EUPSITTACUS, type Pionus gulielmi Jardine, and the first in a new subgenus NOTOPSITTACUS, type Psittacus robustus Gmelin." (A. Roberts 1922).