220 PROCEEDINGS OF THE ACADEMY OF 



D. 9698, A. 72 74, P. 14 15, and the proportions and dentition are made 

 known in essentially the same terms. Furthermore, the scales are said to be 

 very small, and imbedded in the skin, which appears smooth and slimy to 

 the touch;* one of the eyes is nearly on the crown of the kead,f and the 

 branchial arches have large and robust rakers, each with eight pectinations, 

 themselves divided at the tip.f 



As to the figure, it cannot assist identification, being a worthless caricature, 

 and, like that of the Hippoglossoides platessoides, representing a small mouth. 

 It might equally well serve as the representation of any Pleuronectoid, and is 

 as unlike the Glyptocephalus cynoglossus as any other species. 



From these remarks, it will be evident that I feel compelled to agree with 

 the several excellent naturalists who have identified the Fabrician fish with 

 a Pleuronectoid closely related to Hippoglossus, since every character which 

 distinguishes it from Glyptocephalus cynoglossus is shared with the species 

 under consideration. 



HIPPOGLOSSUS Cuv. 



Hippoglossus ameeicanus Gill. 



Pleuronectes hippoglossus Mit. 

 Hippoglossus vulgaris Storer. 



This species is distinguished from its European congener, with which it has 

 hitherto been confounded, by all but Gunther, by its higher body, more ob- 

 lique mouth, &c. It is not clear why Dr. Gunther should consider it, even 

 with doubt, as identical with Reinhardtius hippoglossoides. The figure given 

 by Dekay represents the form and fins of a Hippoglossus, and the lateral line 

 is expressly said to be "arched over the pectorals." The species is, there- 

 fore, a typical Hippoglossus. 



Subfamily RHOMBIN^E, Bon. 

 LOPHOPSETTA Gill. 



LOPHOPSETTA MACULATA Gill. 



Pleuronectes maculatus Mit. Rep. 1814, p. 9. 



" aquosus Mit. Phil. Tr. i. 389. 



Rhombus aquosus Cuv. R. A. 

 Hab. Eastern coast generally. 



CITHARICHTHYS Blkr. 



ClTHARICHTHYS MICKOSTOMUS Gill. 



D. 81. A. 58. C. 4. 6. 5. 3. 



Scales 42}|. 



Hab. New Jersey to North Carolina. 



Descriptions of new Genera and species of Eastern American PLETJRONEC- 



TOIDS. 



In a collection of rare fishes recently received through the kindness of 

 Mr. F. W. Putnam and from the Salem Institute, was a fine new generic type 

 of Pleuronectoids, distinguished by some remarkable characters. To make 

 this known, and also especially a new species of Citharichthys, obtained by Prof. 



* Overflaclen har vel paa begge Sider mange smaa Skjal ; men de sidde saa fast i Huden, at de 

 neppe lade sig Skjalue derfra, saa den er glat at ftile paa fuld af Sliim. 



f Ojnene sidde begge paa hojre Side, det ene af dem naesten paa Hovedets Isse. 



X Gjaellerne ere 4 med store og ctaerke hvide Klingerog morkerode Fryndser ; bag til har hver 

 Elinge 8 Kamtakker, hvilke atter for Enden Lave hver 2 smaa skarpe Taender. 



[Oct. 



