88 
LIST OF TYPES AND FIGURED 
Orthoceras unguis, J. Phillips, Geol. Yorks, pt. ii, 1836, p. 238, 
pi. xxi, f. 2. Carboniferous Limestone : Lolland, Yorkshire. [C. 196 a.] 
Orthoceras unguis, J. Phillips ; A. Hyatt, Gen. Arietidae (Smith- 
sonian Contrib. to Knowledge), 1889, p. 11, ff. 13-15. Carbon- 
iferous Limestone : Dublin. [30257.] 
Orthoceras vaginatum ?, E. F. v. Schlotheim : J. W. Salter, Quart. 
Journ. Geol. Soc. vol. vii, 1851, p. 177, pi. x, f. 7. Ordovician 
(Ardwell Group =M. Bala) : Ardwell, Ayrshire. [C. 2642.] Lower 
portion only of specimen figured. 
Orthoceras vicarii, G. F. Whidborne, Devon. Fauna S. England (Mon. 
Pal. Soc.), pt. ii, 1890, p. 129, pi. xiii, f. 5. Middle Devonian : 
Lummaton, S. Devon. [C. 5416.] 
Orthoceras sp. i, J. W. Salter, in Appendix to P. C. Sutherland’s 
‘ Journal of a Voyage in Baffin’s Bay and Barrow Straits, in the years 
1850-1851, etc.,’ 1852, p. ccxxiii, no fig. Silurian : Beechy Island, 
Arctic Kegions. [96965.] 
Orthoceras sp. ii, J. W. Salter, in Appendix to P. C. Sutherland’s 
‘Journal of a Voyage in Baffin’s Bay and Barrow Straits, in the 5 ’ears 
1850-1851, etc.,’ 1852, p. ccxxiii, no fig. Silurian : Griffith’s 
Island, Arctic Eegions. [96952-3.] 
Orthoceras sp., A. H. Foord, Geol. Mag. [3], vol. vii, 1890, p. 102, 
’ pi. iv, f. 3. Devonian ? : Mt. Pierre, Kimberley District, W. 
Australia. [C. 4152.] 
Orthoceras sp., W. PengeUy, The Geologist, 1861, p. 345, frontispiece, 
f. 2. Devonian : Teignmouth, Devon. [C. 5651.] 
Orthoceras sp., J. W. Salter, in J. W. Salter & H. F. Blanford, 
Palaeout. Kiti, 1865, p. 67, pi. viii, f. 7. Upper Trias ; Kiti, 
Himalaya. [C. 3497.] 
Orthoceras sp., J. W. Salter, in J. W. Salter & H. F. Blanford, 
Palseont. Niti, 1865, p. 67, pi. viii, f. 9. Upper Trias : Niti, 
Himalaya. [C. 3499.] 
Orthoceras sp., J. de C. Sowerby, Trans. Geol. Soc. [2], vol. v, 1840, 
pi. xl, f. 4 ; expl. of plate. Coal-Measures : Coalbrookdale, 
Shropshire. [C. 4684.] 
