BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 793 



Megalomphala robusta Whiteaves. 



Megalomphala robusta Whiteaves, Ann. Rep. Geol. Surv. Canada, n. s., 14, 

 App. F, 1904, p. 48; ibid., Pal. FOBS., 3, pt. 4, 1906, p. 257, pi. 28, figs. 9, 9a; 

 pi. 29, fig. 1. 

 Niagaran: Ekwan River, Canada. 



MEGALOMPHALA? ROTUNDATA Ulrich. See Bucania sulcatina. 



MEGALOMUS Hall. Genotype: M. canadensis Hall. 



Megalomus Hall, Pal. New York, 2, 1852, p. 343. Woodward, Man. Mollusca, pt. 



2, p. 302. Hall, 15th Rep. New York State Cab. Nat. Hist., 1861, p. 193; 



Prelim. Notice Lam., pt. 2, p. 25, 27. Miller, N. A. Geol. Pal., 1889, p. 488. 



Megalomus canadensis Hall. 



Megalomus canadensis Hall, Pal. New York, 2, 1852, p. 343, pi. 80, fig. la-e, pi. 

 81, fig. la-f; pi. 82, fig. la-i. Chapman, Canadian Jour., n. s., 7, 1862, p. 117, 

 fig. 113, 113a; ibid., 8, 1863, p. 215, fig. 225; Expos. Min. Geol. Canada, p. 

 120, figs. 113, 113a; p. 187, fig. 225. Hall, 1st Rep. State Geol. New York, 

 1884, pi. 9, fig. 16. Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 338, 

 fig. 342. Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 68, fig. 39. 

 Chamberlin, Geol. Wisconsin, 1, 1883, p. 193, fig. Hall, 1st Rep. State Geol. 

 New York, 1884, pi. 9, fig. 16; Pal. New York, 5, pt. 1, 1885, pi. 52, fig. 10 

 (adv. copy, 1883). Miller, N. A. Geol. Pal., 1889, p. 488, fig. 847. Lesley, 

 Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 383, fig. Whiteaves, Pal. FOBS., 

 Geol. Surv. Canada, 3, pt. 2, 1895, p. 66. Norton, Proc. Iowa Acad. Sci., 2, 

 1895, p. 42. 



Cyrtodonta canadensis Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 410, 

 fig. 530. 



Niagaran (Guelph): Gait, etc., Ontario; Ohio; Wisconsin; Alaska. 



Megalomus compressus Nicholson and Hinde. 



Megalomus compressus Nicholson and Hinde, Canadian Jour., n. s., 14, 1874, p. 

 143, fig. 6. Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 69, fig. 40. 

 Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 10, fig. 1; ibid., 

 pt. 2, 1895, p. 67 (loc. occ.). 



Niagaran (Guelph): Hespeler, Ontario. 



MEGAMBONIA Hall. Genotype: M. cardiiformis Hall. 



Megambonia Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 12; ibid., 

 15th Rep., 1861, p. 193. Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 137-8. 

 Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 225. Zittel, Handb. Pal., 2, 

 1881, p. 51. Hall, Pal. New York, 5, pt. 1, Lam., 2, 1885, p. lv. Miller, N. A. 

 Geol. Pal., 1889, p. 488. Grabau and Shimer, N. A. Index Fossils, 1, 1909, 

 p. 411. 



MEGAMBONIA Meek. See Allonychia Ulrich. 



Megambonia aviculoidea Hall. 



Megambonia aviculoidea Hall, Pal. New York, 3, 1859, p. 274, pi. 49, figs. 7a, 7b, 8; 

 pi. 49A, fig. 8. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 387, 

 fig. Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 263, pi. 24, figs. 17, 18. 

 Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 411, fig. 531. 



Pterineacf. aviculoidea Holtedahl, 2d Arctic Exp. "Fram." 1898-1902, No. 32, 

 1914, p. 28, pi. 8, fig. 6. 



Helderbergian: Helderberg Mountains, etc., New York (Coeymans'and Manlius 

 transition beds); New Jersey (Keyser "Manlius"); Southwestern Elles- 

 mereland, Arctic America. 



