“46 The American Geologist. February, 1892 
Morse. But two of these have relied largely for popular interest 
‘on what is really but some trick of black-board sketching. In 
(Great Britain have arisen also the illustrious names of Tyndall, 
Huxley, Lockyer and others. 
This lecturing did not divert him but casually from his perma- 
nent plans of scientific work. In 1869 he prosecuted his studies 
on the ‘*Marshall group;’ some of his contributions were included 
in Other state geological reports, and the scientific journals. His 
most voluminous publication on the subject appeared in two num- 
bers of the Proceedings of the American Philosophical Society. 
‘This presents a general resumé of discussions bearing on the 
rocks in question, a study of their equivalency in the various 
western states and the lithological and paleontological evidences 
of the unity and distinctness of the group, and its proper posi- 
tion in the Carboniferous system. 
1869. On the re-organization of the geological survey of the 
state, governor Baldwin re-appointed him director, and he was en- 
abled to resume the work which had been suspended by the inter- 
vention of the war of the rebellion. Nine years had elapsed, and 
he had learned much, in his private travels for economic surveys 
at various localities, of the rock-structure and physical features 
of the state. He assumed for himself the personal investigation 
of the Lower Peninsula, and committed to major T. B. Brooks 
the study of the Marquette Iron region. As director he drew up 
a plan of operations which major Brooks pursued to the comple- 
tion of his work, some four years afterwards. 
1870). For several years he employed every opportunity to col- 
lect data relative to the Winchell name in America, and he put 
his information in systematic shape in a volume, which appeared 
in February, 1870, entitled Genealogy of the Family of Winchell, 
an octavo volume of 272 pages, containing names of about 
5,000 of his relatives. In March of the same year appeared 
“Sketches of Creation,”’ a purely popular work embodying some 
of the grander views of geology which he had_ previously pre- 
sented either in print or from the public platform. ‘‘Some por- 
tions of it indeed surpass the requirements of a popular style 
and become sophomoric and stilted.”” So he himself criticised it. 
It presented accurately, however, some of the accepted doctrines 
of science, and contained many thoughts and speculations original 
with the author. His picture of the primeval condition of the 
