85 



XIS— TRIGLIDiE. 

 DACTYLOPTERUS, Laccp. 



B. voiitans. 



Saa-Swallow. 



Bod}' cylindrical, tapering towards the tail. Head four- 

 sided, broader than high, descending nearly vertically in 

 front. Body covered with rough, solid scales, with a promi- 

 nent crest on each. The pectoral fins consist of two portions, 

 of wdiich the posterior one is the largest, forming wings. — 

 Jjight brown above, darker on the summit of the head, with 

 irregular darker spots. Sides silvery, with flesh color pre- 

 dominating beneath. Dorsals gray, with brown spots on the 

 membrane of the first. The posterior pectoral blackish, with 

 bluish spots: the anterior dark brown, varied with black. — • 

 Ventrals and anal fins flesh colored. Caudal fin light brown, 

 with irregular brownish l)ands. Length, G inches. 



Fin-rays:— D. 2, 4, 1, 8; P. G, 'JO; V. 1, 4: A. G: C. 10. 



jD. volitans, Guenther, I, p. 221. 



Triglacolitans, L. Gm. p. 184G; Bl. Taf. :55l. 



Dadylopterus pirapedo, Lecep, III, .p. 32G. 



— volitans, Cuv. i*c Val. IV, ]). 117; Delvay, New York 

 Fauna, Fishes, p. 40, pi. IT, fig. 4G. 



Foli/nemus sexradiaius, Mitch. Trans. Lit. & Phil. Soc. 

 New York, 1, pi. 4 fig. 10, and Am. Mouthy Mag. I, p. 323. 



In the tide drains on the ocean coast of Worcester county, 

 . and in the lower part of Chesapeake Bay. 

 Acad. Coll. 



IMflONOTl'S (Laccp.) Cuv. c^' Yal. 



I— F. liEeatiis. 



Banded Gurnard^ or Sea-Robin. 



Cylindrical, bruadened in front, tapering rapidly towards 

 the tail; head broader than the body, composed of seven dis- 

 tinct bony plates, the first rough, covering the whole front 

 and upper part of the head, ending behind in two stout spines; 

 over the eyes both before and behind are smaller spine\s; and 

 with a stout spine at the base of the forward gill-cover, at 

 tached to a serrated ridge; gill-cover triangular, with two 

 spines behind, the upper one directed upwards, and the low- 

 er one larger and directed backwards. >Scales small; the lat- 



