NORTH AMERICAN MESOZOIG INVERTEBRATA. [BULL. 102. Aucella Continued. Location: Tatlayoco lake, B. C., banks of the upper Skagit river, B. C., Browning creek, Forward inlet, Quatsino sound, northwest coast of Vancouver island, Long island; Harrison lake, B. C.; also west shore and, peninsula on the southeast shore of the same lake, and Chilli wack river, near Tamiahai, B.C.; west side of Winter harhor, in Forward inlet; west of Fraser river, B. C., a little to the north of sources of Bridge river, B. C., from a mountain six or seven thousand feet high above sea level; south fork of Quesnel river, near the foot of Quesnel lake; Porcupine river, N. W. T., in lat. G7° 8' N., long. 137° 47' W.; Yukon river, Alaska, eight miles below the Antoiue river, in lat. 05° 15' N., long. 141 ° 40' W. piochii Gabb. (1869.) Geol. Sur. Cal., Paleont., vol. 2, pp. 194-195, pi. 32, figs. 92o-c. Phila., 1869. W. M. Gabb. Formation: Cretaceous. Location: From Mount Diablo, at various points along the east face of the Coast range to the north end of the Sacramento valley; Washington, east of Puget sound; Colusacounty, east of Clear lake, California. piochii (Gabb) Whiteaves. (1882.), Proc. and Trans. Eoy. Soc., Canada, vol. 1, sec. 4, pp. 84,85. Montreal, 1883. J. F. Whiteaves. Formation: Cretaceous. Location: Tatlayoca lake and Forward inlet, banks of the upper Skagit. piochii (Gabb) Whiteaves. (1884.) Geol. and Nat. Hist. Sur. Can.; Mes. Foss., vol. 1, pt. 3, p. 239. Montreal, 1884. J.F.Whitoaves. Formation: Cretaceous. Location: Skidegate inlet, west of Alliford bay. piochii (Gabb) Whiteaves. (1887.) Geol. and Nat. Hist. Sur. Can., vol. 2, n. ser. 1886. App. I, pp. 111-1126. Montreal, 1887. J. F. Whiteaves. Formation: Cretaceous. Location: Tatlayoca lake, B. C.; banks of the upper Skagit river, B. C.; Browning creek, Forward inlet, Quatsino sound, northwest coast of Vancouver island; Long island, Harrison lake, B. C.; west shore and peninsula on the southeast shore of the same lake, and Chilliwack river, near Tamiahai creek,B.C.; Browning creek, Forward inlet; Baft cove on the west coast of Vancouver island, north of Quatsino sound; west of Fraser river, B. C., a little to the north of sources of Bridge river, B. C.; from a mountain six or seven thousand feet high above sea level, south fork of Quesuel river, near the foot of Quesnal lake. piochii (Gabb) White. (1888.) Mong. U. S. Geol. Sur., vol. 13, pp. 226-232, pi. 4, figs. 3-5. Wash., 1888. C. A. White. Formation: Cretaceous. Fischer. (1872.) Comptes Bend., 1872, vol. LXV, p. 1785. 1872. P. Fischer. Formation: Jurassic [Cretaceous?]. Location: Alaska. Paris, Aulacoceras carlottense n. s. Whiteaves. (1887.) Geol. and Nat. Hist. Sur. Can., vol. 2, n. ser. 1886. App. I, p. 109&. Montreal, 1887. J. F. Whiteaves. ° Formation: Triassic. Location: Houston Stewart channel, in the Queen Charlotte islands. Aulacomya (sub. gen. Morch.) Meek. (1876.) Rep. U. S. Geol. Sur. Terr., vol. 9, p. 68. Wash., 1876. F. B. Meek. Aulopora sp. Credner. (1870.) Zeitsch. Deutsch. Geol. Ges., Band 22, p. 220. Berlin, 1870. H. Credner. Formation: Cretaceous. Location: Timber creek, New Jersey. Avalana subglobosa n. s. M. & H. (1856.) Proc. Acad. Nat. Sci.^, PLila., for 185G, p. 64. Phila., 1857. Meek & Hayden. Formation: Cretaceous. Location: Moroau trading post, Nebraska. Avellana (d'Orb) Meek. (1859.) N. W. Terr. Rep. Prog. Assin. and Saskat. Expl. Bxped., H. Y. Hind, p. 184. Toronto, 1850. F. B. Meek. (sub. gen. d'Orb.) Meek. (1876.) Rep..U. S. Geol. Sur. Terr., vol. 9, p. 283. Wash., 1876. F. B. Meek. concinna (H. &. M. sp.) Meek. (1859.) N. W. Terr. Bep. Prog. Assin. and Saskat. Expl. Exped., H. Y. Hind., p. 184. Toronto, 1859. F. B. Meek. Formation: Cretaceous. Location: Two creeks, on the Assiniboine, Canada. texana n. s, Shumard. (1859.) Trans. Acad. Sci., St. Louis, vol. 1, 1856-1860, p. 597. St. Louis, 1856-1860. B. F. Shumard. Formation: Cretaceous. Location: Near Bosque creek, in Bosque county, Texas. Avicula (Lam.) Morton. (1834.) Synop. Org. Rem. Cret. Gr. U. S., p. 63. Phila., 1834. S. G. Morton. abrupta n. s. Conrad. (1853.) Jour. Acad. Nat. Sci., Phila., vol. 2, 2d ser. 1850- 1854, p. 274, pi. 24, figs. 5, 6. ' Phila., 1850-1854. T. A. Conrad. Formation: Cretaceous. Location: Nimrod Woodward's farm, New Jersey. convexo-plana n. s. Roomer. (1849.) Texas, pp. 400-401. Bonn, 1849. F. Roemer. Formation: Cretaceous. Location: Fredericksburg, Texas. convexo-plana Roemer. (1852.) .Kreide. von Texas, pp. 61-62, Taf. 7, figs. 9a-d. Bonn, 1852. F. Roemer. Formation: Cretaceous. Location: Fredericksburg, Texas.
BOYLE.] NORTH AMERICAN MESOZOIC INVERTEBRATA. 57 Avicula Continued. cretacea n. s. Conrad. (1843.) Rep. Hydrog. Basin upper Mississippi river, I. N. Nicollet. App. C,p. 170. Wash., 1843. T.A. Conrad Formation: Cretaceous. Location: On the Missouri river. ? fibrosa u. 8. M. & H. (1856.) Proc. Acatl. Nat. Sou, Phila., for 1S56, pp. 8