46 
LIST OP TYPES FIGURED 
Ccelonautilus globatus (J. de C. Sowerby) : A. H. Poord, Cat. Foss. 
Ceph., British Museum, pt. ii, 1891, p. 129, ff. 20 a, h. Carboniferous 
Limestone : Kildare, Ireland. [30229.] 
Ccelonautilus globatus (J. de C. Sowerby) : A. H. Foord, Cat. Foss. 
Ceph., British Museum, pt. ii, 1891, p. 130, f. 21. Carboniferous 
Limestone : Ireland. [30933.] 
Ccelonautilus gradus, A. H. Foord, Cat. Foss. Ceph., British Museum, 
pt. ii, 1891, p. 126, f. 19 a. Carboniferous Limestone : Kildare, 
Ireland. [36947.] 
Ccelonautilus gradus, A. H. Foord, Cat. Foss. Ceph., British Museum, 
pt. ii, 1891, p. 126, f. 19 h. Carboniferous Limestone : Kildare, 
Ireland. [30224.] 
Ccelonautilus gradus, A. H. Foord, Cat. Foss. Ceph., British Museum, 
pt. ii, 1891, p. 126, f. 19 c. Carboniferous Limestone : Dublin. 
[1695.] 
Ccelonautilus multicarinatus (J. de C. Sowerby) : A. H. Foord, 
Cat. Foss. Ceph., British Museum, pt. ii, 1891, p. 114, ff. 16 a, h. 
Carboniferous Limestone ; Ireland. [50192.] 
Ccelonautilus paucicarinatus^ A. H. Foord, Cat. Foss. Ceph., 
British Museum, pt. ii, 1891, p. 116, ff. 17 a, h. Carboniferous 
Limestone : Ireland. [C. 2835.] 
Ccelonautilus pinguis (L. G. de Koninck) : A. H. Foord, Cat. Foss. 
Ceph., British Museum, pt. ii, 1891, p. 118, ff. 18 a, h. Carboniferous 
Limestone : Ireland. [43862.] 
Column composed of circular discs^ &c., J. J. Bigsby, Trans. 
Geol. Soc. [2], Tol. i, pt. ii, 1824, p. 204, pi. xxx, f. 6. Silurian 
(Niagara Group) : Drummond Island, Lake Huron. [2724.] 
Column composed of circular discs, &c., J, J. Bigsby, Trans. 
Geol. Soc. [2], vol. i, pt. ii, 1824, p. 204, pi. xxx, f. 7. Discosorus 
remotus^ A. H. Foord, Cat. Foss. Ceph., British Museum, pt. i, 
1888, p. 197, with a reference to Bigsby’s figure. Silurian (Niagara 
Group) : Drummond Island, Lake Huron. [33437.] 
Concborhynchus cassianus, H. v. Meyer : A. v. Klipstein, Beitr. 
zur geol. Kenntn. bstlichen Alpen, 1843, p. 145, pi. ix, f. 7 a. Trias : 
St. Cassian. [36016.] 
