BIBLIOGRAPHY OF O. C. MARSH 537 



The geology of Block island : Ibid., pp. 295-298. 



Amphibian footprints from the Devonian : Ibid.., pp. 374, 375. 



The geology of Block island (continued) : Ibid., pp. 375-377. 



The Dinosaurs of North America: Sixteenth Ann. Rept. Director U. S. Geol. Survey, 

 part I, pp. 133-414, pis. ii-lxxxv. 



The Jurassic formation on the Atlantic coast [abstract] : Amer. Jour. Sci., fourth 

 series, vol. 2, pp. 433-447. 



Vertebrate fossils [of the Denver basin] : Monographs U. S- Geol. Survey, Washing- 

 ton, vol. 27, pp. 473-550, pis. xxi-xxxi. 



1897. 



The Stylinodontia, a suborder of Eocene edentates : Amer. Jour. Sci., fourth series, 



vol. 3, pp. 137-146. 

 The affinities of Hesperornis : Ibid., pp. 347,-348. 



Principal characters of the Protoceratidee : Ibid., vol. 4, pp. 165-176, pis. ii-viii. 

 The skull of Protoceras : Geological Magazine, fourth series, vol. 4, pp. 433-439, pi. 



xix, London. 

 Recent observations on European Dinosaurs: Amer. Jour. Sci., fourth series, vol. 4, 



pp. 413-416. 



1898. 



New species of Ceratopsia: Amer. Jour. Sci, fourth series, vol. 6, p. 92. 



The Jurassic formation on the Atlantic coast (Supplement) : Ibid., pp. 105-115. 



Cycad horizons in the Rocky Mountain region: Ibid., p. 197. 



The value of type specimens and importance of their preservation: Ibid., pp. 



401-405. 

 The origin of mammals : Ibid., pp. 406-409. 

 The comparative value of different kinds of fossils in determining geological age : 



Abstract in Ibid., pp. 483-486. 

 On the families of Sauropodous Dinosauria : Abstract in Ibid. , pp. 487, 488. 



1899. 



Footprints of Jurassic Dinosaurs : Amer. Jour. Sci., fourth series, vol. 7, pp. 227-232, 



pi. v. 

 Note on a Bridger Eocene Carnivore: Ibid., p. 397. 



In the absence of the author of the following memoir it was read by 

 Mr W. H. Dall. 



MEMOIR OF OLIVER MARCY 

 BY ALJA R. CROOK 



By the death of Oliver Marcy on the nineteenth of last March the Geo- 

 logical Society of America lost a Fellow who though but slightly known 

 in the Society may be numbered among its most worthy members. 



The scarcity of his scientific publications and the fact that he was at 

 the time of his death a man full of years, being seventy-nine, and in 

 recent years had rarely attended the meetings, explain his limited ac- 



