NO. IfiSS. NEW FfSflf]!^ FRO]} JArW—SXYDFR. g05 



tremely short snout, the broad intororbital space, and the curved out- 

 h'ne of the area between the posttemporal processes. D. gilhcrti also 

 has the scales more strongly keeled, the tips of the pectoral raj^s less 

 filamentous, the membranes extending farther out on them, the 

 knife-like scales along the sides better developed and more numerous, 

 and the mouth somewhat wider. 

 Named for Dr. Charles H. Gilbert. 



Family GOBIII).E. 



ZONOGOBIUS BOREUS, new species. 



Head 3.1 in length to base of caudhl : depth, 3.7; depth caudal 

 peduncle, 7; eye, 3.2 in head; snout, 4; interorbital space, 4; D. YI — 

 10; A. 8; scales in lateral series about 26; between anal and dorsal, 

 counting upward and forw^ard, about 10. 



Head very large; snout blunt, mouth oblique, maxillary extending 

 to a verticle through j^osterior edge of pupil ; interorbital space nar- 

 row and flat, the dorsal rims of eyes projecting slightly above it. 

 Teeth simple, in narrow bands on the jaws, the outer and inner row 

 of lower jaw distinctl}^ enlarged; vomer and palatines naked. 

 Tongue truncate. Gill-rakers on first arch 3-|-10, long and very 

 slender. Gill-openings large, extending far forward below, but not 

 confluent. Shoulder girdle without any apparent armature. Xos- 

 trils tubular. Head naked, and w^ithout barbels; rows of papillifer- 

 ous mucous pores on sides of head, snout, and chin. Body with 

 large, loosely attached ctenoid scales, except on breast, abdomen, 

 and a considerable space on back below the spinous dorsal, the scales 

 extending forward toward base of pectoral in one or two rows. 



Origin of spinous dorsal slightlj' posterior to base of pectoral, 

 separate from the soft dorsal; the latter slightly higher, the longest* 

 ray contained 1.7 times in the head. Origin of anal on a vertical 

 passing between second and third dorsal rays ; the height about equal 

 to spinous dorsal, the longest raj^s contained 2 times in head; neither 

 dorsal nor anal united by membrane to the caudal peduncle, nor 

 reaching base of caudal when depressed. Ventrals separate, pointed ; 

 extending to the anal opening when depressed ; inserted directly 

 below the gill-opening. Pectorals rounded, their length contained 

 1.5 times in the head. 



Color in spirits, pale brown, darker on head and neck, where there 

 are a series of light, dark bordered bands, the first of which passes 

 over the snout, curving in front of the eye; the second through eye, 

 the third and fourth across occiput, the fifth over the nape and down- 

 ward on base of pectoral ; between the third and fifth bands are two 

 very light and indistinct ones, which are separated by the fourth. 

 On cheeks, opercles, and base of pectorals the bands are oblique. 



