Periéphthalmus koebrenteri (Pathas), ™ . 
al 
Head 3 1/3 to 3 4/5; depth 4 3/5 to 4 3/4; D. XIII - I, ll, 
1; A. 1, 9, 1 or 10, 13; scales 76 to78 from gill-opening to caudal 
base medially; 23 or 24 scales transversely between soft dorsal and 
anal origins; 36 to 40 predorsal scales; snout 2 3/5 to 3 1/8 in 
head; eye 3 3/4 to 4; maxillary 2 2/5 to 2 1/2; head width 1 1/3 
to 1 3/5. Snout convex, length about 3/5 to 3/4 its width, Max- 
illary to eye center. Teeth strong, conic, uniserial in jaws. In- 
terorbital simply narrow ridge. Rakers 5 +- short weak points, much 
shorter than filaments, which about equal eyé. Scales with 32 to 
oD marginal parallel striae; circuli 10 to 12, Color in alcohol 
dull sepia on back and above, paler below. Upper surface and 
sides all more or less mottled paler and darker. Dorsal blackishe 
