Skirrl. Pithecus irus. Adult male.
Sobke. P. rhesus. Young adult male.
Gertie. P. irus-rhesus. Female. Born November, 1910.
Maud. P. rhesus. Young adult female.
Jimmy II. P. irus. Adult male.
Scotty. P. irus (?). Adult male.
Tiny. P. irus-rhesus. Female. Born August, 1913.
Chatters. P. irus. Adult eunuch.
Daddy. P. irus. Adult eunuch.
Mutt. P. irus. Young adult male. Born August, 1911.