SPECMENS OF FOSSIL CEPHALOPODA. 
27 
Ammonites tennisulcatus, v. Ammonites tennistriata, J. E. 
Gray. 
Ammonites tessonianus, A. d’Orbigii}-, Pal. Prang., Terr. Jur., vol. i, 
1842, p. 392, pi. 130, fF. 1, 2. Inferior Oolite: St. Vigor, near 
Bayeux (Calvados), Prance. [37228.] 
Ammonites triplex, J. de C. Sowerby, v. Ammonites triplicatus, 
J. Sowerby. 
Ammonites triplicatus, J. Sowerby, Min. Conch, vol. i, p. 208, 1815, 
pi. xcii, f. 2. Kimeridge Clay : Portland. [43955.] 
Ammonites triplicatus, J. Sowerby, Min. Conch, vol. iii, p. 167, 
1821, pi. ccxcii. A. triplex, J. de C. Sowerby, ibid., vol. vi, p. 249 
(Systematical Index), 1835 ; vol. vii, p. 2 (Alphabetical Index), 1840. 
Coralline Oolite : Malton, Yorkshire. [43900.] J. de C. Sowerby 
re-named this specimen A. implex, and reserved the name A. triptli- 
catus for example figured on pi. xcii, f. 2. 
Ammonites triplicatus, J. Sowerby, Min. Conch, vol. iii, p. 167, 
1821, pi. ccxciii, f. 4. A. triplex, J. de C. Sowerby, ibid., vol. vi, 
p. 249 (Systematical Index), 1835 ; vol. vii, p. 2 (Alphabetical Index), 
1840. Calcareous Grit : Shotover, near Oxford. [43955.] J. de C. 
Sowerby re-named this specimen A. triplex, and reserved the name 
A. triplicatus for example figured on pi. xcii, f. 2. 
Ammonites triplicatus, J. Sowerby : E. Damon, Geol. "Weymouth, 
Suppl. 1888, pi. xiii, f. 3. Kimeridge Clay: Weymouth. [C. 3316.] 
Ammonites triplicatus, J. Sowerby : H. F. Blanford, in J. W. Salter 
& H. F. Blanford, Palaeont. Kiti, 1865, p. 80, pi. xiii, ff. 1 a, b. 
Jurassic : Himalaya. [C. 5042.] 
Ammonites triplicatus, J. Sowerby : H. F. Blanford, in J. V . Salter 
& H. F. Blanford, Palaeont. Kiti, 1865, p. 80, pi. xiii, f. 1 c (reduced). 
Jurassic : Kiti Pass, Himalaya. [C. 5031 & C. 5031 «.] Xatural 
mould [C. 5031 a] of the gutta-percha cast [C. 5031] figured. 
Ammonites tuberculatus, J. Sowerby, Min. Conch, vol. iv,p. 4, 1821, 
pi. cccx, ff. 1 & 3 (reversed ; two specimens). Gault : Folkestone. 
[43930 a, 6.] Eapidly decomposing. 
Ammonites turneri, J. de C. Sowerby, Min. Conch, vol. v, p. 75, 
1824, pi. cccclii, upper figure (reversed). Drift {ex Lias) : 
Wymondham Abbey, Norfolk. [439 /3a.] 
