262 PEECIDiE. 



head. Coloration uniform, with a black lobe at the operculum, and 

 with series of brownish spots between the itiys of the vertical fins. 

 North America, 



a. Adult : skin. Lake Erie. From Dr, Parnell's Collection, 



h. Adult. New York. From Mr. Brandt's Collection. 



c, d. Adult. 'N. America. From Mr. Warwick's Collection, 



e. Adult : skin. New Orleans. From Dr, Parnell's Collection. 



/. Yoimg. New Orleans. 



g, h. Young. 



Var. Uniform blackish brown. 

 i. Adult : skin. Lake Erie. From Dr. Parnell's Collection. 



2. Pomotis rubricauda. 



I'omotis rubricauda, Storer, Bost. Juurn. Nat. Hist. iv. p. 177; Holbr. 



IcMh. S. Carol, p. 10. pi. 2. f. 2. 



appendix, Storer, Si/nops. p. 42. 



fallax, Baird ^ Gimrd, Proc. Ac. Nat. Sc. P/iilad. 1854, p. 24, 



and U.S. Pacif. R. R. Exp. Fishes, p. 27. pi. 8. f. 9-12, pi. 9. f. 5-12, 



pi. 10. f. 1-7." 

 convexifrons, Baird 8f Girard, Pi-oc. Ac. Nat. Sc. Philad. 1854, 



p. 24. 



D.^. A.^. Cffic. pylor. 7. 



11 10 '^•' 



The height of the body is about 2| in the total length, the length 

 of the head (without appeiidage) four times. The appendage very 

 long, one-half of the length of the head (in mature specimens), 

 Prajoperculum rounded, not, or but slightly, serrated at its angle. 

 The spinous portion of the dorsal lower than the soft. The pcctoi-al 

 not reaching so far backwards as the ventral. Caudal fin slightly 

 notched, with rounded lobes. Above dusky, sides of the operclcs 

 and below red, some blue waving lines on the sides of the head. 

 Appendage black, bordered above and below with pale greenish blue. 

 Fins uniform yellowish ; dorsal fin sometimes with a darker patch. 



Fresh waters from Massachusetts to Georgia and Texas. 



n. Half-grown : skin. From Dr. Parnell's Collection. 



3. Pomotis elongatus. 



Holhrook in Journ. Acad. Nat. Sc. Philad. 1855, p. 47. pi. 5. f. 1. 



^■l- A.f.. 



The height of the body is 2|- in the total length, the length of the 

 head four times. The upper maxillary reaches to the anterior mar- 

 gin of the eye. Opercular lobe black, of moderate size. -Caudulis 

 cmarginate, with rounded lobes. The soft ]>ortion of the dorsal 

 higher than the spinous. Checks with pale bluish lines ; body dusky 

 above, yellow below, with several dark vertical bars on the sides, and 

 a black blotch on the back of the tail behind the dorsal fin. {/lolbr.) 



St. John's llivtr; Florida. 



