G8. POLYNEMID^ POLYNEMUS. 413 



203.— POL.YiliEI»IUS Liunajns. 

 {Trivhidion Klein; Gill.) 

 (Linn. Syst. Nr.t. : type rolyiicmus 2)(iradiswi(s L,'nui.) 



Teeth in villilorm bauds on botb jaws, vomer, palatines, and ptery- 

 goids. Preopercle shaqjly serrated on its posterior margin, its angle 

 with a scaly flap. Scales rather small, finely ctenoid. First dorsal 

 with 7 or 8 feeble, rather high spines, the first and last short. Soft 

 dorsal and anal fins about equal to each other; pectoral filaments 3 to 

 9. Pyloric cceca in great number. Species numerous in warm seas. 

 {-oXur^ many; ^i^/za, thread; from the numerous pectoral appendages.) 

 * Pectoral apiieiuhiges 7. 



649. P. pBtaiiiicri (Lac.) Gthr. 



Silvery; pectoral fins black. Maxillary extending backwards past 



eye to base of mandible. Pectoral filaments about as long as the fin. 



Spinous dorsal high ; soft dorsal similar to anal, its last ray produced. 



Head 3i in length; depth about 3^. D. VII-I, 12; A. II, 13; scales 



U-58-10. West Indies; occasional on our South Atlantic coast. 



{PolydaeUjlus phtmkri Lac. v, pi. 14, f. 3; Giiuther, ii, 321: Triclddion plumieri Gill, 

 Proc. Ac. JNat. Sci. Pliila. 1861, 279.) 



** Pectoral aiipeudages 8. 



650. P. octofilDS (Gill) J. & G. 



Silvery, vertical fius puuctulated with black; pectoral fins black. 

 Pectoral filaments short, reaching middle of interspace between dorsal 

 fins. Maxillary 2^ in length of head. Eyes large, about 4 in head. 

 Head 3| in length; depth about 3^. D. VIII-I, 11; A. II, 14; scales 

 C-60-10. New York ; one specimen known. 



(Trichidion octofiUs Gill, Pioc. Acad. Nat. Sci. Pbila. 18G1, 280.) 



651. P. octozarnitis Grd. 



Brownish, sides silvery; fins white. Pectoral filaments very long, the 

 longest reaching past the front of the anal fin. Eye 4 in head. Head 

 3^; depth 3.^. D. VIII-I, 12; A. II, 13; scales 6-01-10. {Girard.) 

 Florida to Texas. 



(Girard, Proc. Acad. Nat. Sci. Pbila. 1858, 167; Giinthor, ii, 320; Trichidion ocUm 

 nemus Gill. Proc. Acad: Nat. Sci. Phila. 1861, 286.) 



