NATURAL SCIENCES OF PHILADELPHIA. 31 



Genus MENTICIRRHUS Gill. 



I. Body with oblique bands. 



* Oblique bauds only ; six procurrent downwards under 



dorsals. Third dorsal spine shorter than head... M. alburnns. 



** V-shaped band pointed downwards under first dorsal, 

 and three oblique procurrent ones under second. 

 Third dorsal spine equalling or exceeding length 

 of head M. nebulosus- 



II. Body silvery-white and immaculate M. littoralis. 



1. Menticirrhus alburnus Gill ex Linn. 



Alburnus americairas, &c, Catesby. 



Leuciscus (12) Klein, Fasc, ii. p. 67. 



Perca alburnus L., Syst. Nat., 482. 



Centropomns alburnus Lac, iv. 249, 257, 264. 



rjmbrina alburnus Cuv., (1817,) Holb. Nee U. alburnus C. et V., Dekay, 



Storer, pp. 

 Scifena alburnus Gronov. 



Hab. Eastern Coast northwards to New Jersey. 



2. Menticirrhus nebulosus Gill ex Mitch. 



Scisena nebulosa Mitch., Trans., i. 408, pi. 3, f. 5. 

 Umbrina alburnus pp. C. et V., v. 180. 

 Hab. Eastern Coast between Capes Cod and Hatteras. 



3. Menticirrhus littoralis Gill ex Holb. 



Umbrina littoralis Holb., Ich. S. C, 142, pi. 20, f. 1. 

 Hab. South Carolina. 



Genus MICROPOGON Cuv. 



MlCROPOGON UNDULATUS C. et V. 



Perca undulata Linn., Syst. Nat., 483. 



Sciseua croker Lac, iv. 309, 314, 316. 



Bodianus costatus, Mitch., Trans. N. S., i. 417. 



Micropogon undulatus, C. et V., v. 219. 



Mieropogoii costatus Del-ay, 83. t 



Hab. Eastern Coast south of New York. 



In my uncertainty respecting the application of Cuvier and Valenciennes' 

 names, I will not venture further on the synonymy. I am acquainted autop- 

 tically with only a single species as an inhabitant of the Eastern Coast, but 

 there are, from the Gulf of Mexico, South America, &c, in the Smithsonian 

 Institution's Collection, several differing in the form and size of the head, 

 squamation, anal fin, &c. 



Subfamily HAPLOID ONOTIN^E Gill. 

 Genus POGONIAS Lac. 

 Pogonathus Lac 



1. Pogoxias fasciatus Lac, iii. 137. 



Labrns grunniens Mitch., Trans. N. Y., i. 405, pi. 3, f. 3. 

 Hab. Rhode Island southwards. 



2. Pogonias chromis C. and V. ex L. 



Labrus cromis L., Syst. N., 479. 



Scisena chiomis BL, Schn., 82 ; Lac, iv. 314. 



Pogonathus courbina Lac., v. 121. 



Scisena eigas Mitch., Trans. N. Y., i. 412, pi. 5, f. 10. 



" fusca Mitch., 1. c, 409. 

 Pogonias chromis. 



Hab. New York southwards. 



1863.] 



