422 Scientific News. [ May, 
reference to a State Survey. Two preliminary surveys under 
Professors Mudge and Swallow have already been made. more 
extended and thorough scientific survey is now needed. The 
most active geologist now in the field in this State is Professor O. 
W. John, who for two years past has studied the stratigraphical 
geology of eastern Kansas. 
— Last summer Professor F. H. Snow, with several assistants, 
spent over a month in Santa Fé Cafion, New Mexico, as well as 
in Colorado, and made important entomological collections, 
among them were twelve new species of Coleoptera, and an in- 
teresting collection of geometrid moths, comprising a number 
new to the Colorado plateau region, 
— The French zodlogical station at Roscoff has been making 
good progress of late. It has now an aquarium of one hundred 
square meters extent, and a good steamer for excursions ; and is 
soon to be provided with a pond and a diving dress. M. Lacaze- 
Duthiers, who founded this station, announces the establish- 
ment of a second one at Port Vendres. 
— The death is announced of Dr. John Jeremiah Bigsby, 
F.R.S., a well-known writer on palzozoic fossils, at the a vanced 
age of 88 years. The greater part of his life was spent in Canada 
and in the United States, and his writings on American geology 
date back to 1820, when he contributed a paper to Sziman's 
Fournal, Dr. Bigsby'’s best-known works. are his “ Thesaurus 
Siluricus,” which appeared in 1868, and his “ Thesaurus Devonica- 
Carboniferus,” published ten years later. The “ Bigsby Medal, 
which he presented to the Geological Society of London a few 
years ago, was awarded at the anniversary meeting on Friday, the 
18th inst., to the French geologist, M. Charles Barrois. 
— Professor Tennant, for many years professor of geology 1 
King’s College, London, died early in March, aged 72 Gabriel 
Koch, a well-known lepidopterist of Frankfort-on-the- Main, died 
in February, aged 80; also Professor Gorini, of Lodi, known by 
his works on voleanic phenomena. ; 
— Edward R. Alston died at the age of 35 years, was born in 
Lanarkshire, Scotland. He was an excellent zoologist. His 
most important paper is a monograph of the classification of the 
order - Rodentia, published by the London Zodlogical Society 
in 1876, 
— George B. Emerson, LL.D., well known for his love ai 
nature, and as the author of a “ Report on the Trees and sete 
growing naturally in the Forests of Massachusetts ” (1849), wits 
lately passed through a second enlarged and illustrated edition, 
died in Boston, in March. He was born in Kennebunk, rile 
. i te on edu~ 
Sept. 12,1797. He taught in Boston many years, wro Nacsa! 
cational topics, was President of the Boston Society © 
istory, and a liberal patron and friend of Science. 
