P YCX0D0NTIIL3S. 
279 
Pycnodus bowerbanki, Egerton. 
1877. Pycnodus bowerbanki, Sir P. Egerton, Geol. Mag. [2] vol. iv, 
p. 52, pi. iii. fig. 2. 
Type. Eight splenial dentition ; British Museum. 
A very large species, known only by the splenial dentition. 
Teeth of inner or principal series on the splenial bone attaining a 
width considerably more than twice as great as their length, and 
not quite equalling the two flanking series in breadth ; teeth of the 
second series about twice as broad as long, and those of the outer¬ 
most series smaller but considerably broader than long. 
Form. <$f Log. Lower Eocene : London Basin. 
38824. Type specimen ; London Clay, Isle of Sheppey. 
Bowerbank Coll. 
The foEowing species has also been determined on the evidence 
of the dentition, but it is not represented in the Collection :— 
Pycnodus faba , H. von Meyer, Neues Jahrb. 1847, p. 186, and 
Palaeontogr. vol. i. (1848), p. 152, pi. xx. figs. 3, 4.— 
Eocene (Ironstone); Altstadt, near Mosskirch, Baden. 
[Left splenial.] 
The following names have also been given to detached teeth or to 
generieally and specifically indeterminable fragments of dentition :— 
Pycnodus affinis, P. Matheron (non Pictet), Eech. Paleont. Midi 
Erance (1878), pi. C-17, fig. 5 (figures only) ; E. Arnaud, 
Bull. Soc. Geol. Erance, [3] vol. x. (1882), p. 133.—Lower 
Cretaceous (Urgonian); Orgon, Apt, Vaucluse. 
Pycnodus carolinensis, E. Emmons, Eep. Geol. Surv. 27. Carolina 
(1858), p. 244, fig. 96.—Miocene ; Aorth Carolina. 
Pycnodus cylindricus, Pictet & Campiche, Eoss. Terrain Cret. St. 
Croix, pt. i. (1858), p. 58, pi. viii. figs. 1-20.—Xeoco- 
mian; Switzerland. [Campiche Collection.] 
Pycnodus dutemplei , M. Bouault, Comptes Bendus, vol. xlvii. 
(1858), p. 100.—Miocene; St. Juvat, near Dinan, Cotes- 
du-27ord, Erance. 
Pycnodus funkianus, H. B. Geinitz, Abh. naturw. Ges. Isis, 
Dresden, 1883, p. 39, pi. ii. fig. 4.—Phosphate Beds 
(Middle or Upper Eocene); Helmstedt, Brunswick. 
Pycnodus gosseleti, T. C. Winkler, Archiv. Mus. Teyler, vol. v. 
(1880), p. 82, woodc. figs. 6, 7.— Oligocene; Limbourg. 
[Probably not Pycnodont.] 
