320 Canadian Record of Science. 
MURCHISONIA MILLERI. 
Murchisonia bicincta, Hall. 1847. Pal. St. N. York, vol. 1, p. 177, p. 
XxXxviil, figs. 5a-h. But not MM. bicineta, 
McCoy, 1846. 
fs a Salter. 1859. Geol. Surv. Can., Org. Rem., Dec. 
1, p. 19, pl. iv, figs. 5 & 6. 
Murchisonia Milleri, Hall,1877. In Miller’s Am. Pal. Foss., ed. 1, 
p. 244. 
Pleurotomaria bicincta, Lindstrom. 1884. Sil. Gastr. and Pterop. Goth- 
land, p. 106, pl. viii, figs. 15-25. 
Elk Island, Lake Winnipeg, Dr. A. R. C. Selwyn, 1872: 
one imperfect and badly preserved specimen. Snake Island 
(near the Dog’s Head) in the same lake, Messrs. Dowling 
and Lambe, 1890: a well preserved mould of the exterior 
‘of the shell. 
MURCHISONIA GRACILIS. 
Murchisonia gracilis, Hall. 1847. Pal. St. N. York, vol. 1, p. 181. pl. 
xxxix, figs. 4, a, b, c. 
st oh Salter. 1859. Geol. Surv. Can., Can. Org. Rem., 
Dec. 1, p. 22, pl. v, fig. 1. 
i fi Billings. 1863. Geol. Canada, p. 183, fig. 178. 
as si Nicholson. 1875. Rep. Pal. Prov. Ont., p. 18, 
fig. 7e. 
Snake Island, Messrs. Dowling & Lambe, 1890: four 
casts of the interior of the shell. 
MURCHISONIA BELLICINCTA, Var. TERETIFORMIS. 
Murchisonia teretiformis, Billings. 1857. Geol. Surv. Can. Rep. Progr. 
1853-56, p. 298. 
a os 1886. Cat. Sil. Foss. Isld. Anti- 
costi, pp. 18 & 55. 
Murchisonia bellicincta, Whiteaves. 1880. Geol. Surv. Can., Rep- 
Expl. and Surv., 1878-79, pp. 47c, and 
48c. 
Cfr. also Murchisonia major, Hall. 1851. In Foster and Whitney’s 
Rep. Geol. Lake Super. Land 
Distr., p. 209, pl. xxvi, figs. 1 a-e. 
‘s “Whitfield. Geol. Wiscons., vol. tv, p. 
244, pl. ix, fig. 4. 
