B'lSHES OF THE ISLANDS OF LUZON AND I'ANAY. 



47 



Famih HLKNMID.-E. 



BLENNIUS Linnaeus. 



234. Blennius thysanius .Toidan & Senle, new species. 



Head 3.50 in length without oaiidal; depth3..5(): eye .^..^O in head : dorsal xi, 1.5; anal 19; lateral line bent 

 down to middle of side under posterior part of spinous dorsal and eontinued as a row of distinct bars to Ijase of 

 caudal; snout 2.60; interorbital 1..50 in eye; a wide, fan-like orbital tentacle with about 10 fringes, these tenta- 

 cles about equal in height and width to width of eye; a simple short tentacle at nostril; no nuchal crest or 

 tentacles ; gill membranes broadly united, free from the isthmus. Body of greater depth than usual in blennies, 

 the profile of head blunt, tlie eye being about on line with middle of side of mouth; depth of caudal peduncle 

 2.70 in head; "each jaw with a single row of immovable small, sharp-pointed teeth, the lower jaw with 2 strong, 

 curved canines on each side, the upper with a single posterior canine. Dorsal fin continuous, not incised, the 

 membrane not extending to caudal fin; origin of dorsal on nuchal region slightly in advance of posterior margin 

 of prooperele; base of anal fin 1.75 in base of dorsal; 2 anterior rays of anal modified into enlarged fleshy bulbs, 

 probably of sexual significance ; vent rals 1.80 in head; pectorals 1 .40 ; caudal rounded, 1.90. 



Color in .spirits pale bluish, with some very indistinct indications of 5 or 6 slightly darker bands made up of 

 spots ov<>r back and down sides ; dorsal bluish, with sliglitly darker margin ; anal bluish, a narrow white margin 

 with intramarginal dusky shading on lower third; ventrals bluish with tint of dusky: some indistinct bluish 

 dots or mottlings on nuchal region and at upper part of opercle. 



Two specimens from Cavite, length 2.50 and 2.90 inches. The ty;)e is no. 53072, U. S. National Museum. 

 Cotype, no. 92.52, Museum Stanford University. 



PETROSCIRTES Kuppell. 



235. Petroscirtes eretes .Ionian & Scale. 



Head 3.75 in length; depth 5; eye 3.75 in head; dorsal 30; anal 20; a dermal flap on lower jaw, one on 

 upper part of each eye, one on posterior part of supraorbital, and one on each side of nuchal region. Color in 

 spirits grayish, with a wash of bluish ; indistinct specks and mottlings on side : a dusky blotch at base of caudal . 

 One specimen 2 inches long from Iloilo. The original tj-pe is from Negros. 



236. Petroscirtes vulsus Jordan & Scale, new species. 



Head 4 in length witliout caudal; depth 5; eye 3 in head; dorsal 27; anal 1(5; teeth about .50 in each jaw, 

 with large canines in lower and small canines in upper; a single wide barbel on each side of chin ; a rather wide 

 barbel on upper part of eye, another just posterior to eye, and one on each side of nuchal region; a short flap at 

 nostril; snout 3.20 in head, interorbital space 4 in head. 



Body elongate, compres.sed; depth of caudal peduncle 2.50 in head; snout broad to the tip; angle of mouth 

 under anterior of orbit; gill-openinga small pore at upper posterior margin of opercle; origin of dorsal opposite 

 origin of ventrals ; base of anal 2.75 in length of fi.sh without the caudal ; origin of anal midway between middle 

 of eye and base of caudal; pectorals 1.75 in head; ventrals 2; caudal rounded, 1.15. 



