lOJ. GOBIID.E — TYNTLASTES. 
639 
319.— TYPKI.O^JOBIUS Steiiidacliuer. 
{Othonops Rosa Smith.) 
(Steimlacbuer, Ichth. Beitriige, viii, 142, 1879: type T. californiensis Steind.) 
Body moderately elongate, compressed, covered with loose, smooth, 
naked skin. Head large, depressed, with tumid cheeks. Mouth large, 
the maxillary reaching to beyond the orbit; jaws equal, each with a 
narrow band of villiform teeth, the outer teeth slightly enlarged; lower 
jaw capable of little motion; snout rounded; no cirri. Eyes very small, 
imperfect, covered by skin. Fins low; first dorsal of 2 fiexible spines; 
second dorsal moderate; anal very short; caudal rounded; ventral disk 
as in Gobius. Gill-openings rather narrow. One species known, (ru^'do-r, 
blind; Gohivs.) 
995. T. ci»!Bfos*Biiesisis Steind. 
Bright pellucid pink in life, the upper parts somewhat speckled; top 
of head with slight wrinkles of skin. Insertion of first dorsal midway 
between snout and base of caudal ; insertion of anal opposite fifth ray 
of soft dorsal; i^ectorals as long as caudal, extending beyond ventrals 
to first dorsal; fin rays covered by loose skin. Eyes visible in life as 
small dark specks, disappearing in alcohol. Head 3f; depth 5. D. 
II-ll; A. 7; P. 1C. L. 3 inches. San Diego, Cal.; borrowing in sand 
among rocks. 
(Steiiidachuer, Ichth. Beitr. viii, 142, 1879 : Othonops eos Rosa Smith, Proc. U. S. Nat. 
Mus. 1881, 19.) 
350.— TY1VT1.ASTES Giiuther. 
(Giinther, Proc. Zool. Soc. Loudou, 18G2, 194: type Amhlyopus sagiiia Giinther.) 
Body elongate, compressed, covered with small, imbricate, cycloid 
scales. Head elongate, quadrangular. Mouth wide, oblique, the lower 
jaw projecting; teeth small, in single series, none on vomer or palatines. 
Eyes very small, or rudimentary. Dorsal fin single, continuous, about 
6 of its anterior rays simple; caudal fin pointed, more or less joined to 
the dorsal and anal ; ventral fins united. Air-bladder very small or 
absent. No pseudobranchite. Vertebrte 11 -f- 20. Pacific Ocean. 
(TO'yrXa/TTrj^, a mud-dabbler.) 
996. T. sag'itta Giinther. 
Grayish, sides and below silvery; an ovate gray spot before each 
dorsal ray; caudal gray. Body and head elongate, compressed, the 
length of the latter two-thirds the distance between the base of the 
ventral and the vent. Maxillary reaching to behind eye ; teeth sub- 
