68 GUIDE TO LOCALITIES. 



4. TRIA88IC. 



1836. Hitchcock, E. Ornithichnology. Description of the footmarks 

 of birds (Ornithiclinites) on New Red sandstone In Massacliu- 

 setts. (Am. Journ. Sci., vol. 29, pp. 307-340, 2 plates.) De- 

 scribes seven species of " Ornitliichnites " considered bird tracks. 



1843. Lyell, Charles. On the fossil footprints of birds and impressions 

 of raindrops In the valley of the Connecticut. (Am. Journ. 

 Scl., vol. 45, pp. 394-397.) Account of visit to principal quar- 

 ries showing impressions. 



1843. Hitchcock, E. Description of several species of fossil plants 



from the New Red sandstone formation of Connecticut and Mas- 

 sachusetts. (Am. Assoc. Geol. and Nat., Trans., pp. 294-296, 

 pp. 12-13.) Found Tasniopteris in boulder at Mount Holyoke and 

 several small plant remains of Voltzia (?) at Montague, Mass. 



1844. Deane, James. On the fossil footmarks at Turner's Falls, Mass. 



(Am. Jour. Sci., vol. 46, pp. 73-77, 2 plates). Describes Turner's 

 Falls, and tracks occurring there. Regards them as bird tracks. 

 1847. Deane, James. Illustrations of fossil footmarks. (Boston Journ. 

 Nat. Hist., vol. 5, pp. 277-284.) Discusses footmarks, which 

 could be made only by birds. Discusses distribution and char- 

 acter of the birds. 



1854. Hitchcock, E. On the fossil footmarks, sandstones, and traps of 



the Connecticut valley. (Bost. Soc. Nat. Hist., Proc, vol. 4, pp. 

 378-379.) Gives localities for footprints. Discusses age of 

 rocks. 



1855. Hitchcock, E. jr. Description of a new species of Clathopteris in 



the Connecticut valley sandstone. (Am. Journ. Sci., 2d ser., vol. 

 20, pp. 22-25.) Describes C. rectiuscul us Hitch, from Mount 

 Tom, Easthampton, Mass. Genus a Jurassic one. 



1858. * Hitchcock, E. Ichnology of New England. A report on the sand- 

 stones of the Connecticut valley, especially its fossil footmajks, 

 vii -f- 220 pages, 60 plates, 4to. Elaborate discussion, descrip- 

 tion and illustration of specimens. Refers beds bearing foot- 

 prints, fishes and ferns to lower Jurassic. Gives thirty-eight 

 localities for footprints. 



1861. Deane, James. Ichnographs from the sandstone of the Con- 

 necticut river. Boston 1861. (Not seen.) 



1865. *Hitchcock, E. Supplement to the Ichnology of New England. 

 Boston 1865. Describes thirty-seven new species. Appendix 

 with description of bones of Mef/adactylns pohjzelus Hitch, and 

 catalogue of specimens in Amherst college. 



1867. Shepard, Charles. On the supposed tadpole nests or imprints 

 made by the Batrachoides nidijicans Hitch, in the red shale of 

 the New Red sandstone of South Hadley, Mass. (Am. Journ. 

 Sci., 2d ser., vol. 43, pp. 99-104.) Describes slates with peculiar 



