PALAEONTOLOGY : EASTERN MASSACHUSETTS. 59 



impressions 'regarded formerly as of organic origin, and holds 

 them to be the results of cross-ripples. 



1888. *Newberry, J. 8. Fossil fishes and fossil plants of the Triassic rocks 

 of New Jersey and the Connecticut valley. (U. S. Geol. Surv., 

 Mon. 14.) Description of species. 



1891. Davis, W. M. Two belts of fossiliferous black shale in the Trias- 

 sic formation in Connecticut. Discussion. (Geol. Soc. Am., 

 Bull., vol. 2 [pp. 415-424,] p. 430.) The fish and plant beds of 

 the Massachusetts Triassic should be found on the back of Mount 

 Tom-Holyoke range, confirmed by Bear's Hole locality, a mile or 

 two north of Westfield river. 



1891. Emerson, B. K. Stratigraphic position of fossil-bearing beds in 



the Newark formation in Massachusetts. (Geol. Soc. Am., Bull., 

 vol. 2, p. 430 (4 lines). Band of Black Shale occupies horizon 

 above Holyoke traps. Furnished only plant remains. Sunderland 

 and Turner's Falls fish beds just above Deerfield trap sheet. 



1892. Mittivas, M. M. Footprints from Connecticut valley. (Am. Assoc. 



Adv. Sci., Proc, vol. 40, p. 286, abstract.) 



5. Jurassic. 



1896. *3Iarsh, 0. C. The Jurassic formation on the Atlantic coast. (Am. 

 Journ. Sci., 4th ser., vol. 2, pp. 433-447.) Gives evidence for 

 the belief that the plant-bearing beds of Martha's Vineyard are 

 Jurassic. 



6. Ckktacic. 



1860. Stimpson, William. Cretaceous strata at Gay Head, Mass. (Am. 

 Jour. Sci., 2d ser., vol. 29, p. 145 (i p.). ) Gives list of fossils 

 collected, and regards them as Cietacic. Many of these were 

 from the Miocene beds — bones, vertebrae, shark's teeth, Crusta- 

 cea, twelve species bivalves, one univalve, leaves, seeds, etc. 



1890. *1VliUe, D. Cretaceous plants from Martha's Vineyard. (Am. 

 Jour. Sci., 3d ser., vol. 39, pp. 93-101, pi. n.) Occurrence of 

 plants with descriptions. 



1890. White, D., Newberry, J. S., Ward, L. F., Merrill, F.J. H. Creta- 

 ceous plants from Martha's Vineyard. (Geol. Soc. Am., Bull., 

 vol. 1, pp. 554-556.) Discussion of White's paper. General 

 consensus of opinion as to Cretacic age of plant beds. 



1890. *Shaler, N. S. On the occurrence of fossils of the Cretaceous age 

 on the island of Martha's Vineyard. (Mus. Comp. Zool., Bull., 

 vol. 16, pp. 89-97, pis. 1, 2.) Describes nineteen species from 

 sandy beds near Indian hill. Regards deposits as middle Creta- 

 cean. 



1893. XThler, P. B. Gay Head. (Science, vol. 20, pp. 176, 177.) De- 



scription of Gay Head beds. 

 1893. White, Davvl. The Cretaceous at Gay Head, Martha's Vineyard. 

 (Science, vol. 20, pp. 332, 333.) Criticism of Uhler's succession 

 and correlation of strata. 



