DESCRIPTION OF A NEW BLENNIOID FISH FROM CALIFORNIA. 



nv 

 Tarleton H. Bean. M. D., 



Asxisffiitf in <-kai\u' iJiz'isioii of [-'isli Cull lire. ('. S. Fix/i Commission. 



])urmg' the montli of June, 1803, car No. 2 of the U. S. Fish Commis- 

 sion made a eoUeetion of tishes at Monterey, Cal., for its aquarium at 

 tlu' Worhl's Cohimbian Exposition. Among- the species obtaine<l and 

 delivered in Cliicago alive is a sticlneoid fish, which resembles a (iiDoieU 

 in geueral api)earance, and yet differs in some essential characters, 

 and appears to represent an undescribed genus an<l species. It may 

 be introduced into the literature under the name 



l'l;ij;io,nrainniiis ]tii)iikiisii. 

 PLAG-IOGR \MMUS, new neiius. 



Body moderately elongate, compressed, covered with very small 

 scales ; lateral li nes, 2 ; viz, one beginning above and slightly in advance 

 of the upper angle of the gill operdng, and extending along the upper 

 part of the body, but not reaching to the tail ; one beginning in advance 

 of the end of this and reaching to the caudal; numerous lateral ridges 

 on the sides, similar to those on J>icfi/i>soma of Temminck and Schlegel; 

 a series of subpentagonal plate-like bodies along the abdominal 

 edge on each side between the ventral and the anal. Head moder- 

 ately long, naked, with pointed snout: mouth oblique and rather 

 large. Tlie jaws subequal, or the lower slightly projecting; jaws with 

 strong teeth jn broad bands, the intermaxilla with an outer series ol' 

 enlarged canine-like teeth; teeth on vomer and palate; a pair of large 

 canines near the symphysis in each jaw, the canines of the upper jaw 

 litting into an interspace behind the mandibulary canines. A series of 

 pores on the ramus of the mandibula continuing around the preopercu- 

 lar edge; a series of similar pores along the lower margin of the pre- 

 orbiral continued backward and upward towards the nai>e. Anterior 

 nostril tubular; postericu- without tube. Maxilla broadly exi)anded 



rr()(e(<linj;.s Xatioiiiil Musi^tiiii, \'i>l." X VI— No. 91)7. 



G99 



