1879. | Scientific News. 139 
animals, They also examined the region of the upper Ham’s 
Fork, and visited the fish-bearing shales of the tributaries of 
es river, obtaining a good representation of the fossils of that 
regio 
ee ns & Co. have just published a translation of Heer’s 
The Primzval World of Switzerland. Edited by James Hey- 
wood. An ages book for boys with a love of insects is 
Candéze’s The Curious Adventures of a Field Cricket. The 
‘illustrations and ei S are most inviting. Dr. Ernest Candèze has 
long been known as a Belgian coleopterist of high reputation. 
Petermann’s Mittheilungen, will hereafter be edited by Dr. E. 
Behm, assisted by Dr. Lindeman 
— Etna: a history of the rotii and of its eruptions, by 
G. F. Rodnell; with maps and illustrations, London 
Paul & Co.), ‘is said to be an excellent and most interesting 
ses ili comparing hyoably with Prof. Phillips work on 
Vesuvi 
o The death of George Henry Lewes was quite as much a 
loss to biology as it was to literature and philosophy. His Sea- 
side Studies is one of the most readable of such books, and in 
literary merit far out-weighs any similar works ; besides it is criti- 
cal from the point of view of comparative anatomy and physiol- 
ogy. What a hold the biological methods of inquiry have gained 
among philosophic thinkers is evinced by the reception accorded 
to Lewes’ last and greatest work, the Problems of Life and Mind, 
however much one may refuse to endorse all the conclusions of 
its author. 
— A new edition of Prof. Ramsay’s Physical Geology and 
Geography of Great Britain is occupying the attention of reviewers 
in British journals. His American friends will be pained to know 
that late in the autumn Prof. Ramsay suffered the agree cos! of 
an oye 
— Prof. Tyndall has just communicated to the Royal Socikty 
the results of some further observations on infusions boiled in 
flasks afterwards hermetically sealed. He took with him to the 
Alps, last summer, one hundred tubes. of as ee contain- 
ing turnip and fifty containing. cucumber infusions. They were 
prepared at the laboratory of the Royal Institution, and boiled 
for five minutes. Twenty flasks were broken in transit. The 
eighty remained pellucid, and the twenty were turbid with organ- 
isms. A number of the eighty flasks had their ends opened in 
air in which saw-dust had been shaken up, and all were soon tur- 
bid. Another set were infected by water of a cascade derived 
from melting snow, and in three days were thickly charged with © 
organisms. Another set were opened in pure air and remained : 
transparent, | 
— The curious dicen says the English Mechanic, of para- oe 
` sitism on a diatom (agate) = a been made mee a 
