824 REVIEWS 
5. White limestones of probable Pliocene age, composing the hills of the 
south coast. 
6. Elevated reefs, but feebly represented. 
7. Alluvial plains of Pleistocene age. The terrace phenomena are less 
developed upon this island than in any of the other Great Antilles, although 
the Pleistocene base leveling is well developed in stream valley phenomena. 
Dikes of syenitic-like porphyry, probably diorites, were also noted cutting 
the older hornblendic rocks. 
Evidence was obtained indicating that the great mountain movement 
culminated before the Miocene, and that there has been at least one thousand 
feet of vertical uplift since that epoch. 
The recent work in Cuba consists of a section across the Sierra 
Maestra from the coast to the Rio Cauto. In making the section, Mr. 
Hill was convinced ‘‘that the crystalline rocks of that region are Cre- 
taceous and post-Eocene Tertiary, and not Paleozoic, as asserted by 
”? 
. 
Frazer. . 
IR. ID; Ss 
Le Stillstandslagen des letzten Inlandeises und die hydrographische 
Entwickelung des pommerschen Kiistengebtetes. By Dr. K. 
KEILHACK. Separatabdruck aus dem Jahrbuch der konigl. 
preuss. geologischen Landesanstalt ftir 1898. Berlin. Pp. 
gO-152, 14 plates. 
The immediate object of this paper is to set forth the relations 
between the edge of the ice and the drainage of north Germany dur- 
ing the last glacial epoch. The general slope of south Germany is north- 
ward, and the general slope of the ice which lay over north Germany 
was southward. Along the meeting of these opposing slopes, water 
courses were developed while the ice was in existence. Locally these 
marginal water courses were lakes, but often there was a river current 
along them. Many of the peculiarities of topography and drainage 
date from the time of ice occupancy. 
Incidentally, several points of general interest are developed. Dr. 
Keilhack recognizes three distinct glacial epochs. During the last he 
recognizes five more or less distinct stages of the ice, one standing for 
the maximum advance of this epoch, and the others recessional stages. 
Each of these stages had its marginal water course. 
During its maximum stage the limit of the ice in this epoch was just 
north of the Malapane and Oder rivers, as far west as the northward 
