276 SCI^NIDiE. 



body is 4| in the total length, the length of the head 4|- ; the dia- 

 meter of the eye is 7^ in the length of the head, and 2|^ in that of 

 the snout. Prseoperculum with the posterior limb nearly vertical, 

 and furnished with distinct, nearly equal denticulations. Suprasca- 

 pula serrated. The third dors^il spine very elongate, in some indivi- 

 duals equal to the length of the head, in others one-third of the 

 total length. CaudaUs obliquely tnmcated ; the anal spine very 

 feeble. An oblique dark band from the nape to the side of the body, 

 directed backwards ; three oblique dark bands from the back to the 

 side, directed forwards ; a dark longitudinal band along the middle 

 of the tail ; all the fins more or less blackish. Pseudobranchise. No 

 air-bladder. 



Shores of the United States, north of Cape Hatteras. 



a. Adult. New York. Purchased of Mr. Brandt. 



b. Half-grown. New York. Piu-ehased of Mr. Brandt. 



c. Adult. N. America. Purchased of Mr. Warwick. 



d. Adult. N. America. Purchased of Mr. Warwick. 



6. Umbrina arenata. 



Cuv. 8c Val. V. p. 190; Joiijns, Zool. Bmr/le, Fishes, p. 44. 

 I>-10|,^,. A.^. L.lat. 73-78. 



Barbel short. The height of the body is 4| or 5 in the total 

 length, the length of the head 3^^ or 4 ; the diameter of the eye 

 is seven to ten times in the length of the head. In the upper jaw 

 an external series of larger teeth. Denticulations of prseoperculum 

 inconspicuous. The third dorsal spine three-fifths of the length of 

 the head ; caudalis with an oblique notch ; the anal spine feeble. 

 All the parts with minute brown dots. 



Atlantic coasts of Tropical America. 



a. Adult. Gulf of Mexico. From the Haslar Collection. 



b. Adult : skin. Jamaica. From Dr. Parnell's Collection. 



7. Umbrina littoralis. 

 Holbr. Ichthyol. S. Carol, p. 142. pi. 20. f. 1. 



D. 10 I ^. A. -i-. Cffic. pylor. 10. 



Barbel short, not half the width of the eye. The height of the 

 body is 4| in the total length, the length of the head 4^ ; the dia- 

 meter of the eye is 7^ in the length of the head, and 2i in that of 

 the snout. No larger teeth in the external row of the upper jaw. 

 The third dorsal spine shorter than the head ; the anal spine very 

 feeble. Silvery- white, immaculate. No air-bladder. 



Coast of South Carolina. 



