18 Mr. C. T. Regan — A Si/nopsis of 



2. Dorsal fins coutinuous at base ; spinous dorsal of 7 spines, the 

 last 5 nearly equidistant and gradually decreasing in lengtli 

 backwards ; adults with a patch of bristles on nape. (Noto- 

 jwgon.) 



a. Distance from base of dorsal spine to vent § to * that from 



head to caudal fin lilliei, 



b. Distance from base of dorsal spine to vent about equal to 



that from head to caudal fin. 

 ct. Origin of soft dorsal nearer to base of second dorsal spine 

 than to edge of back in front of spinous dorsal. 



schoteli. 



/3. Origin of soft dorsal nearer to edge of back in front of 

 spinous dorsal than to base of second dorsal spine. 

 Dorsal spine stout, with numerous serrations, in- 

 serted above base of soft dorsal ferncmdezianus. 



Dorsal spine ratlier slender, with few serrations, 



inserted above caudal pedtincle xenosoma. 



B. On each side of the back two series of bony plates, each series 

 with 4 well -developed plates ; dorsal fins continuous at baso, 

 the spinous dorsal with 7 spines. {Cenlriscops.) 



1, Second dorsal spine inserted above vent or origin of anal ; base 



of spinous dorsal nearly horizontal. . . . sinuosus. 



2. Second dorsal spine inserted above anal fin ; base of spinous 



dorsal nearly vertical. 



Dorsal spine ^ distance from head to caudal ; dia- 

 meter of eye not greater than depth of cheek, 

 scarcely more than ^ length of snout (in n 

 specimen of 13o mm.) /nimerostts. 



Dorsal spine 5 distance from head to caudal ; 

 diameter of eye twice depth of cheek, more 

 than -5 length of snout (in an adult specimen), ohliquns. 



II. First dorsal spine | as long as second, which is as long as head, 

 distance from head to caudal fin, or depth of body. {Scoloj>tic- 

 ichthys.) arnudus. 



1. Macrorhampiiosus, Lacep., 1803. 



Hist. Nat. Poisfl. v. p. 136. 



C'entrincus (nou Linn.), Cuv. Ilegne Anira. ii. p. 350 (1817). 

 Macyoynathus, Gronow, Cat. Fish. p. 147 (1854). 

 OrthkJdhys, Oill, Proc. Acad. Philad. 1862, p. 234. 



]. Macror/niiiipliosus scolojia.r, Liiui. 



Cetitriscus scolopax, Giinth. Cat. Fish. iii. p. 519 (1801). 



North Atlantic iind Mediterranean. 



Specimens in the British Museum from lOngland, Ma(hMra, 

 Spain, and Italy. 



