1.-J4 CATALOGUE OF CEPHALOrODA. 



APPENDIX. 



Beak of Cephalopoda. 



1. COXCHORHYNCHUS. 



Animal unknown. — Beak testaceous. Mandibles triangular, broad, 

 upper ? angular in front, convex, angular externally, and marked 

 with radiating ribs, three medial and three lateral; the inner 

 part concave ; dental edge with regular prominences and depres- 

 sions ; the lower ? with radiating ribs, with a hood in front ; the 

 anterior end blunt, and the dental part with strong facets. 



Glossopetres sp. and Histerolites sp. Knorr. 



Rhyncholites Munster, Beitr. 1829. 



Conchorhynchus Blainville, Belemn. 115. 1827; D'Orb. Moll. Viv. 



et Fos. i. 587. 

 Lepadites Schlotheim, Petref. 1820. 

 Sepia rostrum Blumenbach, Arch. i. 21.; Brongn. Ann. Sic. Nat. ii. 



485. ; Gaillardot, Ann. Sic. Nat. ii. 1824. 485. 



Fos. Muschelkalk. 



1. CoXCHORHYXCHUS AVIROSTRES. 



Beak triangular. 



Knorr, ii. t. 11. i. a. f. 9, 10. 1768. 

 Gmelin, N. G. Mineral, iii. t. 6. f. 79, 80. 

 Schroet. Lyt. Lexic. viii. 207. 



Sepia rostrum Blumenbach, Arch. i. 21. t. 2. f. 5. a. (b. c. ?) 

 Bee de Seche Gaill. Ann. Sci. Nat. 1824. ii. t. 22. f. 12. 

 Lepadites avirostres Schlotheim, Petref. 169. t. 29. f. 10. 1820. 

 Conchorhynchus ornatus Blainv. Belemn. 115. t. 4. f. 12. 1827. 

 Rhyncholites Gaillardoti Zieten, Wurtz. 49. t. 37. f. 2. 1830 ; 



Hartm. Wurtz. 31. t. 37. f. 2. 1830; D'Orb. Ann. Sci. Nat. v. 



219. 

 Sepia Gaillardoti Kef erst. Diet. Nat. 53. 1834. 



