Personal and Scientific News. Q1T 
large glaciers, one of which, extending across a valley, dams the stream 
and formsa lake of considerable extent. These glaciers lie almost 
entirely on the southern slopes, those flowing to the northward being 
inconsiderable in size. Indications of much greater extension of the ice 
in former times are abundant along this part of the basin, but farther to 
the north such signs are altogether wanting. 
Mr. Stanley Brown read a paper on the Pribyloff islands of Alaska. 
Behring sea, from which these islands -rise, is shallow, not exceeding 
300 to 400 feet. Bogoslov, one of these islands, has been a central vol- 
cano from which have flowed the streams of basaltic lava of which it 
consists. These islands, especially St. Paul, are the home of the seals 
and sea lions, and the speaker mentioned the fact that numerous peb- 
bles were found on these islands whose presence was very puzzling until 
it was explained that they were brought there in the stomachs of these 
animals. 
Prof. W. J. McGee, in discussing the gulf of Mexico as a measure of 
isostacy alluded to the doctrine that areas of denudation are areas of 
elevation, while areas of subsidence are areas of deposition. Quoting 
examples from the geography of the area of the North sea, he explained 
the difficulty of estimating the area of encroachment in consequence of 
the building of artificial breakwaters and the construction of natural 
breakwaters by the sea itself. He next quoted the Soonderbands of India 
where immense subsidence has takea place and where the sediments of 
the Ganges and Sanpoo are now deposited, the great rivers of China, and, 
lastly, the gulf of Mexico, which receives on a small area the degrada- 
tion products of the largest basin on the globe. In all these cases he 
argued that the two areas coincide and that the depression is roughly 
proportional to the deposition, but subject to so many sources of error as 
to render exactness at present unattainable. 
Prof. G. F. Wright followed with a few remarks on the deduction which 
might be drawn from the presence of shells in a sandbed which he had 
discovered in Shropshire, England, during his recent visit to that coun- 
try. His principal point was that the evidence tended to disprove the 
subsidence of that district in the glacial or inter-glacia! era. 
A short paper by Prof. J. C. Wolff described the structure of the Crazy 
mountains of Montana, which had been well illustrated by photographic 
views on the previous evening, and showed great alteration effects from 
the intrusion of masses of igneous rock. 
Some new fishes from the Cleveland shale of northern Ohio, were 
briefly described by Prof. E. W. Claypole, and a few exhibited by their 
discoverer, Dr. W. Clark. The leading features of the now well-known 
Dinichthys and the more recent 7'itan/chthys, whose structure has been so 
admirably elucidated by Dr. Newberry, were pointed out, and a new 
venus differing from both inthe structure of its jaws and teeth was illus- 
trated by drawings. For this we proposed the name Gorgonichthys. 
Allusion was also made to one or two at present somewhat obscure spec 
imens. 
Two papers by Mr. Warren Upham were read in his absence, the first 
