SILURIAN. 
3 
BOHEMIA. 
Silurian. 
Rhizopoda of uncertain alliance. 
54870. Ischadites Kcenigi, Murchison. (Twelve specimens; small and 
round ; with “ engine-turned ” markings ; often distorted by 
pressure.) Bubowitz, Bohemia. Barrande Coll. 
50221. I. Kcenigi, Murch. Bohemia. 
P 1141. Sphaeronites. Cornucopial in shape. Bubowitz, Bohemia. 
Barrande Coll. 
NORTH AMERICA. 
P 831. 
P 840. 
P 839. 
Silurian. 
Rhizopoda of uncertain alliance. 
Receptaculites occidentalis, Salter. Lower Silurian. Cape 
Louis-Napoleon (79° 38' N.). Eeilden-Nares Coll. 
See Etheridge’s memoir “On the Arctic Fossils collected by the Expedition 
of 1875-76,” Quart. Journ. Geol. Soc. 1878, vol. xxxiv. p. 577. 
P 833. 
P 838. 
60561. 
R. arctica, Etheridge. Lower Silurian. Cape Louis-Napoleon 
(79° 38' N.). Eeilden-Nares Coll. 
See Etheridge’s memoir, op. cit. p. 576. 
P 836. Reptaculites. (Fragments.) 
40346. R. Neptuni? {Def ranee). 
America. 
36110. R. Neptuni? 
A merica. 
(Defrance). 
40345. R. Neptuni? {Defrance). 
Lower Silurian. 
Feilden-Nares Coll. 
Lower? Silurian. Igioolik, Arctic 
Presented by Capt. Lyon, R.N., and 
J. J. Bennett, Esq. 
Lower? Silurian. Igioolik, Arctic 
Presented by Capt. Lyon, R.N. 
Lower ? Silurian. North America. 
Presented by J. J. Bennett, Esq. 
P 1143. „ „ Silurian ? North America. 
P 832. „ ,, Lower Silurian. Canada. 
From the Museum of Practical Geology. 
P 835. R. occidentalis, Salter. Lower Silurian. Red-River Settlement, 
Lake Wenibeg. Hector Coll. 
For Mr. Salter’s description of this species, see the Geol. Surv. Canada, vol. x. 
Decade 1, p. 45, pi. 10. f. 1-7. 
90226. R. Owenii, Hall. Lower Silurian. Trenton Limestone, Dubuque, 
Indiana. 
P 48. R. occidentalis, Salter. Lower Silurian. Hudson-River Group, 
East Tennessee. From the Mus. Pract. Geol. 
