VO i88U. n '] PROCEEDINGS OF THE NATIONAL MUSEUM. 171 



Runula* genus novum. (Blenniidse.) 



Allied to PetrosTcirtes Ruppell, but with the small, inferior mouth 

 destitute of canines; body slender; dorsal fin continuous, its species 

 and soft rays indistinguishable; gill openings reduced; scales none. 



Type. — Runula azalea sp. nov. 



23. Runula azalea sp. nov. 



Type: No. , U. S. National Museum. 



Hab. — Indefatigable Island, Galapagos Archipelago. 



Description. — Head 44- ; depth 6|; D. about 40, the count uncertain; 

 A. about 25, the count uncertain. Length of type, 2 inches. 



Body moderately elongate, not much compressed; head rather long, 

 its upper outlines convex; snout short and very blunt; mouth entirely 

 inferior, transverse, each jaw provided with long, slender, close-set 

 curved teeth ; no evident posterior canines; upper jaw rather behind 

 nostril ; eye moderate, equal to snout and nearly equal to interorbital 

 width, 4 in head; no tentacles on head; gill membranes fully united to 

 the isthmus, the gill opening reduced to a vertical slit, its lower edge 

 opposite middle of base of pectoral; no scales; lateral line very high, 

 concurrent with the back. Dorsal fin very low, continuous; the feeble 

 spines and soft rays indistinguishable, the fin beginning at occiput; anal 

 similar to soft dorsal. Caudal lunate behind, free from dorsal and anal. 

 Pectorals and ventrals small, each about 1^ in head. 



Color reddish brown, silvery below; a black spot surrounded by 

 paler at base of caudal; dorsal with about 6 black cross-bars; anal 

 with four; other fins pale. 



A single specimen 2 inches long, taken at Indefatigable Island, in 

 the Galapagos. 



24. Porichthys nautopaedium t sp. nov. 



Diagnosis. — Similar to Porichthys margaritatus, differing chiefly in 

 color. Top and sides of head and space above pectorals with numerous 

 round black spots, which behind pectorals form 6 to S vertical half cross- 

 bars; dorsal not margined with black, but with 8 to 10 black submar- 

 ginal spots; anal, with the exception of a few posterior rays, pale; caud.il 

 black at base and tip ; pectorals with a few dots at base and on upper 

 rays; a roundish white blotch below eye, below this a jet-black crescent; 

 head 3.^ to 3§ ; depth 4f to 5i. D. II, 37 ; A. 33. Palatine teeth small, 

 one or two slightly enlarged. Series of shining spots arranged as in P. 

 margaritatus. 



Type: No. 41,145, U. S. National Museum. 



* Latin run a, a dart. 



t vavroTtaidwv, sailor-boy, from the common name of "midshipman," given in 

 allusion to the "buttons" on the belly of the fish. 



