Free and Discounted Ebooks
Join 130,000 readers! Get our ebook deals straight to your inbox.

Remarks on some fossil impressions in the sandstone rocks of Connecticut River

Cover image for

Download


Published: 1854
Language: English
Wordcount: 10,819 / 40 pg
Flesch-Kincaid Reading Ease: 56.7
LoC Categories: QE, QH
Downloads: 472
Added to site: 2010.10.11
mnybks.net#: 29244
Origin: gutenberg.org
Genres: Science, Nature
Excerpt

hirteen inches to six. All these are tridactylous, and represent at least four different species. In most of them the distinction of articulation is quite clear. The articulations of each toe can readily be counted, and they are found to agree with the general statement made above as to number. The impressions are singularly varied as to depth; some of them, perfectly distinct, are superficial, like those made by the fingers laid lightly on a mass of dough, while others are of sufficient depth nearly to bury the toes; some of the tracks cross each other, and, being of different sizes, belong to animals of different ages or different species. There is one curious instance of the tracks of a large and heavy bird, in which, from the softness of the mud, the bird slipped in a lateral direction, and then gained a firm footing; the mark of the first step, though deep, is ill-defined and uncertain; the space intervening between the tracks is superficially furrowed; in the settled step, which is the deepest, the toes

SUBSCRIBE TO MANYBOOKS 

FREE EBOOKS 

Join 120,000+ fellow readers! Get Free eBooks and book bargains from ManyBooks in your inbox. 

We respect your email privacy

(advanced)
login | register

User ID

Password

reset password

Author of the Day

Libby Fischer Hellmann
Libby Fischer Hellmann is a versatile award winning author, who, although she sticks to crime fiction with a lot of mystery and suspense, enjoys ex
Read full interview...