424 spABiD-s;. 



The eigbt anterior teeth of the upper jaw and the ten anterior of 

 the lower are compressed, but without horizontal process. All the 

 lateral teeth are conical and pointed There are some granular 

 teeth behind the incisors, irregidarly arranged. The pharyngeal 

 teeth are cardiform, the upper ones strongest. 



5. CRENIDENS. 



Crenidens, Cuv. 8f Val. vi. p. 377. 



In both jaws one or two series of broad teeth, with the cutting 

 margin crenulated ; a band of granulated teeth behind those series ; 

 no pointed lateral teeth. Cheeks and opercles scaly. The spines of 

 the dorsal (eleven) can be received in a groove ; three anal spines; 

 dorsal and anal fins not scaly. Scales of moderate size. Five bran- 

 chiostegals. Pyloric appendages in small number ; air-bladder 

 simple. 



A vegetable feeder from the eastern coasts of Africa. 



1. Crenidens forskalii. 



Sparus crenidens, Forskal, Descript, Anim. p. xv. 

 Crenidens forskalii, Cue. 4" Vnl- vi. p. 377. pi. 162 quater ; Rilppell, 

 N. W. Fische, p. 120 ; Peters, Wtegm. Archiv, 1855, p. 243. 



D. ii. A. J. L. lat. 55. L. transv. 5/13. Csec. pylor. 3. 

 Vert. 10/15. 



The height of the body is one-third of the total length. Three 

 series of scales on the cheeks. Coloration uniform. 

 Red Sea ; Coast of Mozambique. 



a. Adult : stuffed. Red Sea. From Dr. Riippcll's Collection. 



6. PACHYMETOPON. 



A series of trenchant incisors in front of both the jaws, behind 

 which is a band of similar teeth, but less developed, and replacing 

 the former. No molars ; no teeth on the palate. Dorsal and anal 

 fins partly, caudal entirely hidden by scales. Dorsal without notch 

 and with eleven spines. Scales moderate. Cheek scaly. 



Eab. ? 



1. Pachymetopon graude. (Plate XXVI." 



D. ii. A.^. L. lat. 88. L. transv. 11/22. 



A large and convex transverse protuberance between the eyes. 

 Hab. ? 



a. Adult : stuffed. From the Collection of the Zoological Society. 



Description of the specin^fn. — The form of the body describes a 

 rcgiilar o\n\, the lower pi-ofil'> being (•(•nsidorably ciirvod. The profile 



