PrAatE Sob Viel 
(After Owen.) 
Fic. 1. Carp’s head with operculum cut away to show pharyngeal bones and 
carpstone. 
2. Pharynx of a Carp open from below, with the two pharyngeal bones 
divaricated. a, occipital pharyngeal plate or carpstone; b, part of a 
cell in the fleshy pharynx cut open, to show c, the germ of a pharyn- 
geal tooth. The small upper figure shows the basal pulp-cavity of 
a large pharyngeal tooth. : 
3. Pharynx of a Tench open from below, with the two pharyngeal bones 
divaricated. 
4. Pharyngeal teeth, in situ, of a Barbel (Barbus barbus). 
