82'1 SYSTEMATIC SYNOPSIS OF FOSSIL BIRDS. 



13. ALETORNIS PEBNIX. 



Aletornis pernix, Marsh, Am. Journ. Sci., iv, Oct., 1872, p. 256. — Coues, Key, 1872, 

 p. 348. 



About half the size of the above, and from the same locality. Also in the Yale Museum. 



14. ALETORNIS VENUSTUS. 



Aletornis venusUts, Maksh, Am. Joum. Sci., iv, Oct., 1872, p. 257. — Cotjes, Key, 1872, 

 p. 348. 



A smaller species, about as large as a curlew (^Numenius). From the same locality, and 

 likewise in the Yale Museum. 

 16. AliETORNIS GRACILIS. 



Aletornis gracilis, Marsh, Am. Joum. Sci., iv, Oct., 1872, p. 258. — Coues, Key, 1872, 

 p. 348. 



A bird about the size of a woodcock {Philohela minor). From the same formation and 

 locality, and now preserved in the Museum of Yale College. 



16. ALETORNIS BELLUS. 



Aletornis bellus, Marsh, Am. Journ. Sci., iv, Oct., 1872, p. 258. —Coues, Key, 1872, 

 p. 349. 



A still smaller species, probably belonging to a different genus. From the same locality, 

 and also in the Yale Museum. 



LAMELLIROSTRES (p. 677). 



17. CYGNUS PALOREGONUS. 



Cygnus paloregonus, Cope, BuU. U. S. Geol. Surv. Terr., iv, no. 2, May 3, 1878, p. 388. 



Represented by numerous bones, especially by four metatarsals, two of which are nearly 

 perfect, indicating a species very near those now existing, but apparently distinct. From the 

 Pliocene of Oregon. Eemains in Prof. Cope's Collection. 



18. BERNICLA HYPSIBATES. 



Anser hypsibates, Cope, BuU. U. S. Geol. Surv. Terr., iv, no. 2, May 3, 1878, p. 387. 



Based upon a metatarsal bone lacking the hypotarsus, indicating a goose nearly related to 

 Bermida canadensis, but probably larger or with longer legs. From the Pliocene of Oregon. 

 Remains in Prof. Cope's Collection. 



STEGANOFODES (p. 718). 



19. SULA LOXOSTYLA. 



Sula hxostyla, Cope, Trans. Amer. Philos. Soc, xiv, Dec, 1870, p. 236. — Coues, Key, 

 1872, p. 349. 



A gannet, not so large as the common living species {S. lassana), from the Miocene of 

 North Carolina. The remains are preserved in Professor Cope's Collection. 



20. PHALACROCORAX IDAHENSIS. 



Graculus .idahensis, Marsh, Am. Journ. Sci., xlix, Mar., 1870, p. 216. — Coues, Key, 

 1872, p. 349. 



A typical cormorant, rather smaller than P. cario. From the Pliocene of Idaho. Most 

 of the known remains are deposited in the Yale Museum. 

 31. PHALACROCORAX MACROPUS. 



Graculus macropus, Cope, Bull. U. S. Geol. Surv. Terr., iv, no. 2, May 3, 1878, p. 386. 



From the Pliocene of Oregon, in which it appears to have been numerous ; represented by 

 various bones, those upon which the species is based being three nearly perfect metatarsals in 

 the collection of Prof. Cope, indicating a bird somewhat larger than the living Phalacrocorax 

 dilophus, and agreeing closely in size with Ph. idahensis. 



