APPENDIX. 195 



Graculavus agilis, see Ickthyornis agilis. 



Graculavus anceps, see Ichthyornis anceps. 



Graculavus lentus, see Ichthyornis lentus. 



Grraculayus puniilus, Marsh. 



Marsh, American Journal Science, Vol. Ill, p. 364, May, 1872; Vol. V, p. 229, March, 1873. 

 Coues, Key to North American Birds, p. 350, 1872. 



The specimens on which the present species was based (number 850) 

 indicate a bird about one-third as large as the type of Graculavus velox. 

 They were found in the green-sand of the upper Cretaceous, near Homers- 

 town, New Jersey. 



All the remains at present known are in the Museum of Yale College. 



HESPERORNIS, 4 Marsh, 1872. 

 Hesperornis regalis, Marsh. 



(Plates I-XX.) 



Marsh, American Journal Science, (3) Vol. Ill, p. 56, January, 1872 ; Vol. Ill, p. 360, 

 May, 1872; (3,) Vol. X, p. 403, Nov., 1875 ; Vol. XIV, p. 85, July, 1877, PL V. 



American Naturalist, Vol. IX, p. 625, Dec, 1875. 



Geological Magazine, Vol. Ill, p. 49, PL II, February, 1876. 



Journal de Zoologie, Tome IV, p. 494, 1875, PL XV ; Tome VI, p. 385, 1877. 

 Coues, Key to North American Birds, p. 350, 1872. 

 Woodward, Popular Science Review, Oct., 1875, p. 337. 

 Huxley, New York Lectures, Popular Science Monthly, 1876, Vol. X, pp. 215-210. 



American Addresses, pp. 50-57, London, 1877. (Restoration, from Plate XX.) 

 Seeley, Journal Geological Society of London, Vol. XXXII, p. 510, 1876. 

 Yogt, Revue Scientifique, Tome XVII, p. 247, 1879. 



Dana, Manual of Geology, Plate IV, 1880. (Figures from present volume.) 

 Fraisse, Wurzburg Physikalisch-Medizinischen Gesellschaft, 1880. 



The first remains of this species discovered (number 1205) were 

 found by the writer in November, 1870, near the Smoky Hill River, in 

 Kansas, about twelve miles east of Fort Wallace. The geological horizon 

 was in the yellow chalk of the " Pteranodon Beds." 



The type specimen of Hesperornis regalis (number 1200) was found 

 by the writer, in July, 1871. The locality was on the south bank of the 

 Smoky Hill River, about twenty miles east of Fort Wallace. This fossil 

 was imbedded in the gray calcareous shale, nearly in the same horizon 



4 E6nepos, western, and opviS, a bird. 



