PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 419 



lOGLOSSUs, n. g., Gobiid, Bean. 



loglossus Bean, in Jordan & Gilbert, Proc. U. S. Nat. Mns. V, 297. 



Diagnosis. — A genus closely allied, to Oxymetopon Bleeker; but dif- 

 fering from it in the absence of a keel on the head and in the smoothness 

 of nearly all of the scales. The body is moderately elongate and com- 

 pressed, covered with small scales, which are all cycloid excejit a few at 

 the caudal base; anteriorly the scales are not imbricated, posteriorly 

 they are somewhat larger and regularly imbricated, mostly' cycloid, a 

 few in the tail weakly ctenoid ; no lateral line ; cheeks with imbedded 

 cycloid scales. Head naked; mouth oblique, the lower jaw projecting. 

 Teeth of the upper jaw in two rows, conical, slightly recurved, those in 

 the outer row the largest. The two central teeth in the inner row en- 

 larged, canine-like and much recurved. Teeth in lower jaw uuiserial, 

 with a pair of large canines on each side. Tongue free, slender, 

 and elongate, sub-terete. Vomerine and palatine teeth absent. Eyes 

 moderate. Gill-openings wide, the membranes attached mesially to the 

 narrow isthmus, across which they do not form a fold. Gill-rakers long 

 and slender. 



Dorsal fins closely approximate; the first with six slender thread-like 

 spines, the second with numerous rays, separated from the caudal by a 

 considerable interval. Caudal very elongate, lanceolate, its middle 

 rays filamentous. Anal similar to second dorsal. Ventrals inserted 

 under the base of pectorals, closely approximate, very slightly connected 

 hy a basal membrane, inner rays filamentous; i^seudo-branchise present; 

 brauchiostegals, four. 



Etymology: loq, barb; yCoaao., tongue. 



8. loglossus calliurus n. s. Bean. 



loglossits calliurus Bean, in Goode & Bean, Proc. U. S. Nat. Mus. V, 236. Name 

 only ; also in Jor. & Gilb., op. cit., 297. 



The museum has received from Mr. Silas Stearns, Florida, three spe- 

 cimens of a species of loglossus (Xo. 30198, one specimen ; and No. 30797, 

 two specimens) taken by him at Pensacola. Professor Jordan obtained 

 specimens of the same species at Pensacola from the stomach of the red- 

 snapper, Liiijamis Blackfordii. 



Description. — The height of the body is contained 5^ to G times in 

 its length to the origin of the middle caudal rays, and 8 to 9 times in the 

 extreme length. Its greatest width equals half its height and is also 

 about equal to the distance from the posterior ray of the second dorsal 

 to the origin of the upper caudal rays. The least height of the tail is 

 about equal to that of the head at the eye. 



The greatest length of the head is contained -4^ times in tlie standard 

 body length. The width of the interorbital area is equal to the diam- 

 eter of the eye and considerably greater than the length of the snout, 

 which is contained 3 times in the postorbital length of the head. The 

 length of the postorbital region, including the opercular flap, is cor^ 



