824 SYSTEMATIC SYNOPSIS OF FOSSIL BIBDS 



13. ALETORNIS PERNIX. 



Alcturnis pcrnix, Maksh, Am. Journ. Sci., iv, Oct., 1S72, p. 250. — Coues, Key, 1872, 

 p. 348. 



About half tho size of tlio above, and froin iho saino locality. Also in the Yale Museum. 



14. ALETORNIS VENUSTUS. 



Aktornis venustus, Marsh, Am. Journ. Sci., iv, Oct., 1872, ]>. 257. — Couks, Key, 1872, 

 p. 3i8. 



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

 likewise in the Yale Museum. 



15. ALETORNIS GRACILIS. 



Ak'fornis gradUs, Maksii, Am. J..uru. Sci., iv, Oct., 1872, p. 258. — Coues, Key, 1872, 

 p. US. 



A bird about the size of a woodcock (PJiilohela minor). From the same formation and 

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



16. ALETORNIS BELLUS. 



Aktornis hellus, Marsh, Am. Journ. Sci., iv, Oct., 1872, p. 258. —Coues, Key, 1S72,. 

 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. 



Cyynm paloregonus, Cope, Bull. U. S. Geol. Surv. Terr., iv, no. 2, May 3, 1S78, ]>. 388. 



Eepreseuted by numerous bones, especially by four metatarsals, two of whicli are nearly 

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

 Pliocene tif Oregon. Eenjains in Prof. Cojie's Collection. 



18. BERNICLA HYPSIBATES. 



Anser Jiypsibates, Cope, Bull. 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 

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

 Remains in Prof. Cope's Collection. 



STEGANOPODES (p. 718). 



19. SULA LOXOSTYLA. 



Stda loxostyki, Cope, Trans. Amer. Philos. Soc, xiv, Dec, 1870, p. 230. — Coues, Key, 

 1872, p. 349. 



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

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



20. PHALACROCORAX IDAHENSIS. 



Gh-acidus idahensis, Marsh, Am. Journ. Sci., xlix, Mar., 1870, p. 210. — Coues, Key, 

 1872, p. 349. 



A ty]iieal cormorant, rather smaller than P. carbo. From the Pliocene of Idaho. Most 

 of the known remains are de]t(isited in the Yale Museum. 



21. PHALACROCORAX MACROPUS. 



Graculus macropiis, Cope, Bull. U. S. Geol. Surv. Terr., iv, no. 2, May 3, 1878, p. 380. 



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. 



