376 Bulletin 47^ United States National Museum. 



615. MTBICHTHTS TIGEINUS, Girard. 



Head 3| in trunk, 11 in total length; eye 2i in snout, situated a little 

 back of middle of gape, which is 3 in head ; pectoral measured from top 

 of base, about equal to eye. Coloration brown, with large dark spots, 

 which have not paler centers. Spots on sides of body all circular or 

 nearly so ; those on anterior part of head small and numerous ; lighter 

 below ; belly almost plain ; 4 longitudinal rows of round black blotches 

 on each side of body, the two middle series often forming one irregular 

 row, the central row very close to the median and consisting of small 

 spots not much larger than the eye, spots in the uppermost row often run- 

 ning up on the dorsal fin, each dorsal row running forward, terminating 

 in the snout ; 8 or 9 spots in each dorsal row from the tip of snout to ver- 

 rtical from gill opening; a row of 5 or 6 spots from gill opening to above 

 eye; two other rows running diagonally downwards and backwards 

 from eye; 7 or 8 spots on each side of snout; jaw with about a dozen 

 spots on each side; dorsal with dark margin; anal plain. Pacific Coast 

 of Mexico, rather common about Mazatlan, occasionally ranging north- 

 ward, (Adair Bay, Oregon, Girard. (tigrinus, like a tiger, in color.) 



Myrichthys tigrinus, GIBABD, Proc. Ac. Nat. Sci. Phila., 1859, 58, Adair Bay, Oregon ; JORDAN 



& DAVIS, ?. c., 618 ; JORDAN & GILBERT, Synopsis, 360, 1883. 

 Ophisurus xysturus, JORDAN & GILBERT, Proc. U. S. Nat. Mus., 1881, 346, Mazatlan. (Type, Nos. 



28142, 28247, and 29642. Coll. Gilbert.) 

 Pisodontophis xyvturus, JORDAN, Bull. U. S. Fish Comm., n, 1882, 106. 



C16. MYRICHTHYS OCULATUS (Kaup). 



Eye 2 in snout ; snout 6 in head, and 4 in distance from tip of snout to 

 beginning of dorsal fin ; cleft of mouth 3| in head ; head 4 in the trunk, 

 and a little more than 8 in the tail. Spots on body large, dark, most of 

 them with a distinct pale center.' Body dark gray above, white below; 

 on each side two series of large roundish dark spots, with pale centers, 

 one row lying along the dorsal fin, the other a little below the lateral 

 line ; about 35 spots in each row ; a large spot in front of dorsal fin ; snout 

 with about 5 spots on each side; lower jaw with small dusky spots; dor- 

 sal fin with a dusky edge and with faint dusky blotches; anal plain. 

 Tropical Atlantic, Cuba to Surinam and Cape Verde Islands, (oculatus, 

 having eye-like markings.) 



Pisoodonophis oculatus, KAUP, Apodes, 22, 1856, Curafoa. 



OpMsurus latimaculatus, POEY, Repertorio, n, 252, pi. 3, fig. 1, 1867, Cuba. 



Ophichthys pardalis, GUNTHER, Cat., vm, 82, 1870 ; (not Ophisunts pardalis, VALENCIENNES). 



MyricJitkys oculatus, JORDAN & DAVIS, I. c., 618. 



617. MYEICHTHIS ACUMINATUS (Gronow). 



Spots on body large, nearly round, and whitish in color ; ground color 

 dark brown, pale below ; two series of round, whitish blotches on each 

 side of body, about 40 spots in each series ; spots somewhat larger and 

 more distinct anteriorly, where their diameter is nearly equal to length 

 of snout ; head with irregular, round, whitish spots on each side ; dorsal 

 brownish, margined with dusky ; other fins pale. Snout 5f in head and 



