SPECIMENS OE FOSSIL CEPHALOPODA. 
83 
Orthocera sp., J. J. Bigsby, Trans. Geol. Soc. [2], vol. i, pt. 2, 1824, 
p. 198, pi. XXV, f. 3. Actinoceras higshyi^ H. G. Bronn, Lethsea 
Geogn. vol. i, 1837, p. 98. Ordovician (Black Eiver Formation) : 
Thessalon Island, Lake Huron. [C. 2668.] Part of infilling of 
siphuncnlar tube has been broken away since figured. 
Orthocera sp., J. J. Bigsby, Trans. Geol. Soc. [2], vol. i, pt. 2, 1824, 
p. 204, pi. XXX, f. 2. Ormoceras ivliitei, C. Stokes, Trans. Geol. Soc. 
[2], vol. V, 1840, p. 709 (with a reference to Bigsby’s figure). 
Silurian (Niagara Group) : Drummond Island, Lake Huron. 
Since the figure was drawn the upper left-hand portion of the 
specimen has been damaged and the lowest ‘ bead ’ of the siphuncle 
has disappeared. The tablet bears a pencil note to the following 
effect : — “ N.B. Two fragments of this specimen have been broken off 
and lost by Dew. June J 854. S. P. W[oodward].” [33423.] 
Orthoceras angalare, J. Phillips, Geol. Yorks, pt. ii, 1836, p. 238, 
pi. xxi, f. 4. Carboniferous Limestone : Bolland, Yorkshire. 
[C. 198.] 
Orthoceras angulatum, G. Wahlenberg : A. H, Foord, Cat. Foss. 
Ceph., British Museum, pt. i, 1888, p. 71, ff. 7 «, h. Silurian : I, of 
Gothland. [64545.] 
Orthoceras angulatum, G. Wahlenberg : A. H. Foord, Cat. Foss. 
Ceph., British Museum, pt. i, 1888, p. 71, f. 7 c (sculpture). 
Silurian : I. of Gothland, Sweden. [C. 2026.] 
Orthoceras angulatum, G. Wahlenberg: A. H. Foord, Cat. Foss. 
Ceph., British Museum, pt. i, 1888, p. 71, f. 7 (plaster cast). 
Silurian: I. of Gothland, Sweden. [C. 2027.] 
Orthoceras angulatum, G. Wahlenberg : A. H. Foord, Cat. Foss. 
Ceph., British Museum, pt. i, 1888, p. 71, ff. 7 e,/. Silurian : I. of 
Gothland, Sweden. [C. 1497.] 
Orthoceras annulare, J. Phillips, v. Orthoceras annulatum, 
J. Sowerby : J. Phillips. 
Orthoceras annulatum, J. Sowerby : J. F. Blake, Brit. Foss. Ceph. 
pt. i, 1882, p. 89, pi. iv, f. 2. Wenlock Limestone : Locality (?). 
[33518.] 
Orthoceras annulatum, J. Sowerby : J. Phillips, Geol. Yorks, pt. ii, 
1836, p. 239, pi. xxi, f. 9 (named 0. annulare in explanation of 
plate). Carboniferous Limestone : Bowes, Yorkshire. [C. 176 a.] 
G 2 
