88. SPAKID^G DIPLODUS. 557 



880. S. aculeatus (C. & V.) Gill. 



Silvery ; reddish on the sides, with golden longitudinal streaks ; dor- 

 sal and anal fins reddish, ventrals red. Pectoral elongate. Limb of 

 preopercle scaly. Molar teeth small, in two* series in the upper jaw. 

 Body rather elongate. A procumbent spine before the dorsal. D. XII, 

 12; A. Ill, 12. (Cuvier & Valenciennes.} Atlantic coast of the United 

 States, chiefly southward ; rare ; a doubtful species, perhaps the same 

 as the preceding or the next. 



(Chrysophrys aculeata Cuv. & Val. vi, 137: Clirysoplirys aculeatus Giiutlier, i, 496.) 



287 1 . DBPL.OIHJS Kafinesque. 

 (Sarg us Cuvier, 1817; preoccupied in Entomology. ) 

 (tRafinesque, Indice Ittiologia Siciliaua, 1810, 54 : type Sparus annttlaris L.) 



Body oblong or ovate, more or less compressed, the back often ele- 

 vated. Mouth rather small, terminal, low. Incisors broad or narrow, 

 truncate, entire or more or less emarginate, sometimes serrate in the 

 young ; a series of smaller teeth behind them. Molar teeth mostly in 2 

 or 3 rows. No teeth on vomer or palatines. Scales moderate. Dorsal 

 spines mostly 12, strong, depressible in a groove. Procumbent dorsal 

 spine present or absent ; anal spines rather strong. Caudal fin forked. 

 Gill-rakers short and slender. Branchiostegals 6. Intestinal canal short. 

 Pyloric cceca few. Carnivorous species ; abundant in the Atlantic, many 

 of them highly valued as food. (<j-Ao?, double; ddobsj tooth; the teeth 

 of two sorts.) 



a. Incisor teeth very narrow, entire. ($tenotomus\ Gill.) 



881. I>. argyrops (L.) J. & G. Scup; Scuppaug ; Porgee. 



Brownish, somewhat silvery below, everywhere with bright reflec- 

 tions, but without distinct markings in the adult; soft parts of ver- 

 tical fins somewhat mottled with dark; young faintly barred; axil 

 dusky. Body ovate, compressed, the back elevated, the axis of the 

 body near the middle of its depth. Head deep. Eye narrower than 

 the preorbital. Mouth small, terminal, the maxillary extending to 

 opposite the posterior nostrils. Incisor teeth very narrow, almost con- 



*In tliree series according to C. & V. The original type is now lost, but a memo- 

 randum by Aug. Dume'ril, preserved in the Museum at Paris, states that the specimen 

 Mas a " Pagras" (with two rows of molars), and not a "Chrysophrys" (with three). 



t " VI. Gen. Diplodus. Una sola ala dorsale principando vicino al capo, un apendice 

 squamosa viciuo ad ogni ala toracina. Osserv. Coutiene il Sparus annularis di Linneo, 

 ed 3p. variegatus di Lace~pede." (Rafinesqne.) 



tGill, Canadian Naturalist, August, 1865: type Sparus argyrops'Li. (drsvot, nar- 

 row; ro/uoS, cutting.) 



