Two treatises by him are extant: On Fractures (in J.
('E7rch,utcov a Kai -y'); (5) On Regimen in Acute Diseases (IIEpi cairns o Ewv); (6) On Airs, Waters, and Places (IIEpi cthpwv, l'6aTwv, Kai rorrwv); (7) On the Articulations (IIEpi etpBpwv); (8) On Fractures (IIEpi by c&v); (9) The Instruments of Reduction (M0xXix6s); (Jo) The Physician's Establishment, or Surgery (Kar' i rpEiov); (II) On Injuries of the Head (IIEpi KE0aXij TpwpaTwv); (12) The Oath ("OpKoi); (13) The Law (Nopos).
Gulfs may be classified according to their origin as due to fractures of the crust or overflowing of depressed lands.
The influence of wind and tide breaks up the frozen surface of the sea, and sheets yielding to the pressures slide over or under one another and are worked together into a hummocky ice-pack, the irregularities on the surface of which, caused by repeated fractures and collisions, may be from 10 to 20 ft.
By other fractures and unequal movements of upheaval or depression portions of the older rocks have been brought up within the bounds of the younger, and areas of the younger have been enclosed by the older.