86 
LIST OF TYPES AND FIGURED 
Orthoceras ornatum, E. Boll : A. H. Foord, Cat. Foss. Ceph., British 
Museum, pt. i, 1888, p. 65, ff. 5 a, 6, c. Silurian : I. of Gothland. 
[C. 1812 «.] 
Orthoceras politum, A. v. Klipstein : A. Hyatt, ‘ Genesis of the 
Arietidae ’ (Smithsonian Contrib. to Knowledge), 1889, p. 11, ff. 18 
& 19. Trias: St. Cassian. [36040 6.] 
Orthoceras politum^ A. v. Klipstein, v. also Orthocera politam. 
Orthoceras politum, F. M‘Coy : J. W. Salter, Quart. Journ. Geol. 
Soc. vol. vii, 1851, p. 173, pi. x, f. 5. Ordovician (M. Bala) : 
Piedmont Glen, Girvan, Ayrshire. [C. 2079.] 
Orthoceras politum, F. M‘Coy : J. W. Salter, Quart. Journ. Geol. Soc. 
vol. vii, 1851, p. 173, pi. x, f. 6 a. Ordovician (M. Bala): Piedmont 
Glen, Girvan, Ayrshire. [C. 2081.] Upper part only of specimen 
figured. 
Orthoceras politum, F. M‘Coy : J. W. Salter, Quart. Journ. Geol. Soc. 
vol. vii, 1851, p. 173, pi. x, f. 6 6. Ordovician (M. Bala) : Knock- 
geirn, Ayrshire. [C. 2082.] 
Orthoceras pulchellum ?, F. v. Hauer : J. W. Salter, in J. W. Salter 
& H. F. Blanford, Palaeont. Kiti, 1865, p. 67, pi. viii, f. 8. Upper 
Trias : ISTiti, Himalaya. [C. 3500 a.~\ 
Orthoceras pulchellum ?, F. v. Hauer : J. W. Salter, in J. W. Salter 
&H. F. Blanford, Palaeont. Kiti, 1865, p. 67, pi. viii, f. 10 a. Upper 
Trias : Kiti, Himalaya. [C. 3500 6.] 
Orthoceras pulchellum ?, F. v. Hauer : J. W. Salter, in J. AV. Salter 
& H. F. Blanford, Palseont. Kiti, 1865, p. 67, pi. viii, f . 10 h. Upper 
Trias : Mti, Himalaya. [C. 3500 c.] 
Orthoceras pygmaeum^ L. G. de Koninck, Hescr. anim. foss. Belgique, 
1844, p. 507, pi. xlv, ff. 5a, h. Coal-Measures: Chokier, Belgium. 
[64812.] 
Orthoceras reticulatum^ J. Phillips, Geol. Yorks.pt. ii, 1836, p. 238, 
pi. xxi, f. 11. Carboniferous Limestone : Bolland, Yorkshire. 
[C. 181.] 
