106 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxv. 



Caudal evenly rounded, slightly shorter than head. Pectorals 

 rounded, 1.3 in head. Ventrals separate, divided at base, 1.5 in head. 

 Anal papilla about equal in length to diameter of eye. 



Color in spirits; dorsal part of head and body, chin, throat, and 

 abdomen creamy white; sides covered with minute dots, closely 

 grouped so as to form a tolerably definite brown stripe extending 

 from point of lower jaw and snout through eye, across cheek, base of 

 pectoral, and along lower part of body to near end of caudal ; the 

 color stripe more intense on the head and caudal fin, where it is more 

 or less broken up into spots: dorsals with a few minute, indistinct 

 spots extending in a line along middle of fins; anal, pectorals, and 

 ventrals immaculate. 



Described from the type Cat. No. 62242, U.S.N.M., a specimen 

 33 mm. long, from a tide pool at Xaha, Okinawa. Cotype, Cat. No. 

 21108, Stanford University collection. 



Two smaller specimens do not appear to differ from the type. 



Family BLENNIID^E. 



ALTICUS MARGARITARIUS, new species. 



? Salarias biseriatus Kner, Novara Iteise. Fisclie, p. 197, pi. viii, fig. 5. — 

 Jordan and Seale, Fishes Samoa, Bull. U. S. Bur. Fish., XXV. 

 1905, p. 427. Not of Cuvier and Valenciennes, Hist. Nat. Poiss., XI, 

 p. 316, nor of Gunther, Fische der Siidsee, p. 208. 



Head 4.8 in length to base of caudal; depth 5; depth caudal pe- 

 duncle 10.3 ; eye 4 in head ; interorbital space 6 ; D. XII, 19 ; A. 22 ; 

 P. 15. 



Anterior profile of head vertical, the outline convex; head nar- 

 rowed above, broadened below, the cheeks prominent. Eyes located 

 in anterior upper part of head, their rims projecting slightly above 

 the dorsal contour, directed somewhat forward and upward. Mouth 

 inferior, very broad, the lips full and pendulous at the corners ; both 

 jaws with a single row of long, slender, close-set teeth, loosely em- 

 bedded, and arranged in groups of seven, the median ones of which 

 are higher than the others, thus giving the cutting edge of the jaw a 

 scalloped appearance; 2 large canines in lower jaw, each fitting a pit 

 in the roof of mouth. Large pseudobranchise present ; gillrakers very 

 short, pointed, 11 or 12 on first arch. Head with a crest about equal 

 in height to diameter of eye; the anterior and posterior edges vertical. 

 Upper border of eye with a long cirrus, the edge of which is fringed ; 

 posterior nostril with a pointed cirrus. 



Lateral line of widely spaced, elongate tubes, decurved above pec- 

 toral, disappearing at a point beneath tip of fin. 



Dorsal fins with a dividing cleft, but connected at bases by mem- 

 brane; longest spine 1.8 in head ; ray, 1.2. Origin of anal below base 



