SPECIMENS OF FOSSIL CEPHALOPODA. 
87 
Orthoceras revalense, A. H. Foord, Ann. Mag. iS'at. Hist. [5], vol. xx, 
1887, p. 402, f. 3. Id.: A. H. Foord, Cat. Foss. Ceph., British Museum, 
pt. i, 1888, p. 5, f. 2, Ordovician (Or^Aorems-limestone) : 'Eeval, 
Esthonia, Enssia. [C. 2090.] 
Orthoceras scalpratum, J. de C. Sowerby, Trans. Geol. Soc. [2], 
vol. V, pi. xl, f. 3 (right-hand figure) ; expl. of plate. Coal-Measures : 
Coalbrookdale, Shropshire. [C. 4689.] 
Orthoceras scalpratum, J. de C. Sowerby, Trans. Geol. Soc. [2], 
vol. V, pi. xl, f. 3 (left-hand figure) ; expl. of plate. Coal-Measures : 
Coalbrookdale, Shropshire. [C. 4690,] 
Orthoceras schlotheimi, J. Steininger: J. E. Lee, Geol. Mag. [2], 
vol. iv, 1877, p. 100, pi. V, f. 10c. Upper Devonian: Saltern Cove, 
near Torquay, S. Devon. [C. 4068.] 
Orthoceras steinhaueri, J. Sowerby : J. Phillips, Geol. Yorks, pt. ii, 
1836, p. 238, pi. xxi, f. 5. Carboniferous Limestone : Loc. (?). 
[C. 185.] 
Orthoceras striatissimum, J. W. Salter, in J. W. Salter & H. F. 
Blanford, Palieout. Niti, 1865, p. 15, pi. ii, f. 4. Lower Silurian 
(Ordovician ?) : Chorhoti Pass, Himalaya Mts. [C. 2096 a.] This 
specimen imbedded in matrix and labelled “ Strachey, pi. 2, f. 4,” 
is probably the original of the lower left-hand figure. 
Orthoceras subannulare, G. Munster : J. F. Blake, Brit. Foss. Ceph. 
pt. i, 1882, p. 94, pi. V, ff. 6, 6 a. Lower Ludlow? : Dudley, Wor- 
cestershire. [83597.] 
Orthoceras sulcatum, J. Fleming: A. H. Foord, Cat. Foss. Ceph., 
British Museum, pt. i, 1888, p. 123, f. 9 (enlarged). Lower Carboni- 
ferous Limestone Group : Lanark, Scotland. [39818 a, 6.] Figure 
drawn from the two specimens combined. 
Orthoceras teres (J. Sowerby) : A. H. Foord, v. Conularia teres, 
J. Sowerby. 
Orthoceras trigonale, d’Archiac & E. de Verneuil : (siphnncle), S. P. 
Woodward, Quart. Journ. Geol. Soc. vol. xii, 1856, p. 380, pi. vi, 
f. 5. Middle Devonian : Gerolstein, Eifel. [34015.] 
Orthoceras undulatum, J. Sowerby : J. Phillips, Geol. Yorks, pt. ii, 
1836, p. 238, pi. xxi, f. 8 (somewhat reduced; named Orthoceras 
laterale in the explanation of the plate). Carboniferous Limestone : 
Bolland, Yorkshire. [C. 192.] 
