No bursæ on any phalangeal joints of hand or foot.
Orangs.
E. Metacarpo- and metatarso-phalangeal joints, bursæ ill-developed, first row of phalangeal joints of hand and foot moderate, second row none.
F. Metacarpo- and metatarso-phalangeal joints more marked than in E., and well developed on all phalangeal joints.
Gibbons.
G. Metacarpo- phalangeal and metatarso-phalangeal joints poorly developed on D 2, 3, 4, 5, and none on those of D 1. Absent on all phalangeal joints.
The digits of the gibbons were very long and evidently efficient in action, but were never flexed to any great degree.
Dead Specimens.
I also examined the hands and feet after death of certain lower Primates in 1909:—
H.