ACTIKOPTERYGII. 
552 
25693, 25718. Lower pharyngeal and left upper pharyngeal, figured 
ibid. figs. 13, 11 ; Bracklesham. Dixon Colt. 
38821-23. Three abraded upper pharyngeal teeth, the first figured 
ibid. pi. x. fig. 23 ; Bracklesham. Bowerbank Col ■ 
25694. Fragments; Bracklesham. Dixon toll. 
I*. 1772, P. 3970. Fragments; Bracklesham. 
Eijerton Sf Enniskillen Colls. 
Genus PSEUDOSPHJERODON, Noetling. 
[Abh. gcol. Spccialk. 1’reussen u. Thiiring. Staaten, vol. vl - 
pt. iii. 1885, p. 102.] 
An extinct genus, possibly Labroid, known only by remains of 
the pharyngeal dentition. Pharyngeals bearing one or few large, 
rounded or irregularly ovoid, crushing teeth, which consist of coarse 
vasodentino invested with a thin layer of ganodentine. l pp cr 
pharyngeal bones separate. 
Pseudosphserodon hilgendorfi, Noetling. 
188.">. Pseudospharodon hilyendorji , F. Noetling, loc. pit. p. 104, ph 
figs. 1-8. 
Type. Pharyngeal teeth; Prussian Geological Survey, Berlin, 
ihe typo species, known only by irregularly ovoid, sometimes 
nearly triangular teeth, which are smooth and tumid, often slight } 
plicated at the sides. 
Form. Sf Loc. Middlo Eocene: Samland, Prussia; Hampshire Basin. 
P. 3752. Eight upper pharyngeal, bearing one tooth ; Bracklesham 
Beds, Bracklesham, Sussex. Enniskillen Co 
30888. Large worn tooth, measuring 0 038 in longest diameter, and 
showing suceessional tooth directly beneath it ; Bramshaw, 
Wiltshire. Purchased, 1850. 
The following indeterminable specimen is supposed to represent 
an extinct genus and species of this family : — 
P. 626. Fragment of hinder portion of cranium labelled by Agassis 
as intended to bo the type specimen of Auchenilabrvs 
frontalis, recorded by name only in Eop. Brit. Assoc. 
1844 (1845), p. 308 ; London Clav, Sheppey. 
Egerton Coll- 
