PACHYCORMIDiE. 
405 
49827. Fragment apparently of dentary, associated with an inner 
bone displaying a finely granular dentition; Chalk, 
Amberley. C'apron Coll. 
39438. Anterior extremity of mandible, figured by Dixon, op. cit. 
pi. xxxi. fig. 12; Chalk, Kent. Bowerbcink Coll. 
49089. Two fragments of anterior extremity of dentary; Lower 
Chalk, Burham. Mrs. Smith’s Coll. 
49742. Fragment of dentigerous bone ; Chalk, Amberley. 
Capron Coll. 
P. 5633-34. Fragments of jaws; Lower Chalk, Burham. 
Harford Coll. 
4088, 4089, 4096, 4135. Five teeth, the type specimens described 
and figured by Agassiz, tom. cit. p. 102, pi. xxv. c. figs. 21, 
24, 27-29 ; Chalk, Lewes. Mantell Coll. 
25751-52, 25754, 25834. Four teeth figured by Dixon, op. cit. 
Dixon Coll. 
pi. xxx. figs. 21 a-d ; Chalk, Sussex. 
25750, 25808. Two teeth; Chalk, Sussex. 
49770. Four teeth; Chalk, Amberlej T . 
P. 4543. Large tooth in bone-fragment. 
27033. Tooth ; Lower Chalk, Guildford. 
Dixon Coll . 
Capron Coll. 
Enniskillen Coll. 
Purchased , 1851. 
38584, 47925. Two large teeth ; Lower Chalk, Burham. 
Purchased, 1864, and 'presented by 
Hon. Robert Marsham , 1877. 
P. 6530. Tooth in bone-fragment; Lower Chalk, Blue Bell Hill, 
Burham. Presented by S. J. Haivkins, Esq., 1891. 
33255. Two large teeth ; Chalk, Kent. 
Taylor Coll. 
39055. Fine tooth ; English Chalk. 
Boiverbank Coll. 
Protosphyrsena compressirostris, A. S. Woodward. 
1895. Protosphyrcena compressirostris, A. S. Woodward, Geol. Mag. 
[4] vol. ii. p. 213, woodcut fig. 2. 
Type. Rostrum ; British Museum. 
Rostrum much elongated and attaining a length of at least 0T9 
with a transverse diameter of 0’02 at its base where the vomerine 
teeth are implanted; laterally compressed in its proximal half, the 
transverse section here being an oval with vertical long axis ; 
