852 



APPENDIX. 



4. Jurassic Marsupial Mammals. — Besides the two species of Marsupials mentioned 

 Fiff. 1161. on P a £ e ^' ^ arsn h as named and described the 



following (Amer. J. Sci., III., xviii. 396, 1879): 

 Dryolestes vorax, D. arcuatus, Tinodon bellus 

 (Fig. 1110, right lower jaw), T. robustus, T. lepi* 

 dus, Ctenacodon serratus (Fig. 1161, right lower 

 jaw). None of the species is larger than the 

 weasel. Stylacodon is near Stylodon, of Owen, 

 Tinodon bellus (x 9). and Ctmacodon ^ near Pl ag iaulnx, of Falconer. 



Marsh observes that the species are closely related to those of the Purbeck of England 

 (p. 446). The specimens are from a thin bed in the Upper Jurassic of Wyoming, per- 

 taining to the series called by Marsh the Atlantosaurus beds. In underlying beds occur 



Figs. 1162. 



Ctenacodon serratus ( X 4). 



remains of toothless Enaliosaurs, named Sauranodonts by Marsh (1879). It is a note- 

 worthy fact that the earliest of American as well as of European mammals are small 

 species. 



B. — Catalogue of American Localities of Fossils. 



The following catalogue contains some of the more important of American localities 

 of fo§sils, and is intended for the convenience especially of the student-collector. 



Localities of Fossils. 



Acadian Group. — Coldbrook, Ratcliffe's Millstream, St. John, N. B. ; Long Arm of 

 Canada Bay, Newfoundland. 



Potsdam Group. — Swanton, Vt.; Braintree, Mass. ; Keeseville (at " High Bridge "), 

 AJexandria, Troy, N. Y. ; Chiques Ridge, Pa. ; Falls of St. Croix, Osceola Mills, Trem- 

 paleau, Wisconsin; Lansing, Iowa; St. Ann's, Isle Perrot, C. W. ; near Beauharnois 

 on Lake St. Louis, C. E. 



Calciferous. — Mingan Islands, St. Timothy, and near Beauharnois, C. E.; Grand 

 Trunk Railway between Brockville and Prescott, St. Ann's, Isle Perrot r C. W. ; Am- 

 sterdam, Fort Plain, Canajoharie, Chazy, Lafargeville, Ogdensburg, N. Y. 



Quebec Group. — Mingan Islands, Point Levi, Philipsburg, and near Beauharnois, 

 C. E. ; Point Rich, Cow Head, Newfoundland; cuts in Black Oak Ridge and Copper 

 Ridge, Knoxville and Ohio Railroad, Tenn. ; Malade City, Idaho. 



Chazy Limestone. — Chazy, Galway, Westport, N. Y. ; one to three miles north of 

 "the Mountain," Island of Montreal, C. E. ; St. Joseph's Island, Sault Ste. Marie, C. 

 W.; Knoxville, Lenoir's, Bull's Gap, Kingsport, Tenn. 



Bird's-eye Limestone. — Amsterdam, Little Falls, Fort Plain, Adams, Watertown, 

 N. Y. 



Black River Limestone. — Watertown, N. Y. ; Ottawa, C W. ; Island of Montreal, and 

 near Quebec, C. E. 



Trenton Limestone. — Adams, Watertown, Boonville, Turin, Jacksonburg, Little 

 Falls, Lowville, Middleville, Fort Plain, Trenton Falls, N. Y. ; Pine Grove, Aaronsburg, 

 Potter's Fort, Milligan's Cove, Pa.; Highgate Springs, Vt. ; Montmorency Falls and 



