80 BULLETIN 180, UNITED STATES NATIONAL MUSEUM 



of pectoral fin; snout 1% longer than diameter of eye; origin of 

 first dorsal about equal distance between rear of pupil and base 

 of caudal fin rays; length of pectoral fin about 1% in head; origin 

 of second dorsal over and about % the way back along anal fin; 

 least depth of caudal peduncle li^ in its length and 1% in the head; 

 snout SVs in head and 1% in least depth of caudal peduncle; dorsal 



rays IV-I, 8 ; anal III, 9 Mugil troscheli Bleelter 



46. Scale rows 38 to 40; posterior tip of maxillary not visible when 

 mouth is closed ; upper base of pectoral with a black spot. 

 5a. Upper lip without or with only a trace of papillae along lower 

 edge ; lower lip smooth ; margin of preorbital emarginate, den- 

 ticulate, posterior margin nearly straight denticulate; snout IVs 

 longer than eye ; origin of first dorsal about width of pupil closer 

 to tip of snout than midbase of caudal fin ; length of i)ectoral fin 

 11^ in head ; origin of second dorsal approximately over end of 

 first Vr, of anal fin base; least depth of caudal peduncle 1% in 

 its length and 2% in head; snout 314 in head and 1% in least 

 depth of caudal peduncle; dorsal rays IV-I, 8, anal rays III, 9. 



Mugil seheli ForskSl 

 5b. Upper lip with several rows of fleshy papillae ; lower lip crenulated ; 

 preorbital deeply emarginate or notched and denticulate, posterior 

 margin denticulate, rounded ; snout 1% longer than eye ; origin 

 of first dorsal about midway between tip of snout and base of 

 the caudal fin ; length of pectoral fin iVio in head ; origin of 

 second dorsal over end of first % distance along base of anal 

 fin; least depth of caudal peduncle IV2 in its length and 2^^ in 

 the head; snout 3% in head and 1% in least depth of caudal 

 peduncle ; dorsal rays IV-I, 8 ; anal III, 9 ; gill rakers about 

 50+58 Mugil crenilabis Forskfil 



Genus NEOMYXUS Steindachner 



Neomyxus Steindachneb, Sitzb. Akad. Wiss. Wien, math.-nat. CI., vol. 78, p. 384, 

 1878. (Type, Myxus sclaieri Steindachner.) 



NEOMYXUS CHAPTALII (Eydoux and Souleyct) 



Mugil chaptalii Eydoux and Sour.EYET, Voyage autour du monde . . . Bonite, 

 Zool., vol 1, p. 171, pi. 4, fig. 1, 1841. 



115631, Swains Island, reef, by seine at night. May 4, 1939, L. P. Schultz and 

 Arthur Petit, 65 specimens. 



115632, Hull Island, reef, July 12-15, 1939, 4 specimens. 



115628, Swains Island, reef. May 3-9, 1939, 9 specimens. 



115629, Enderbury Island, reef, May 15-19, 1939, 2 specimens. 

 115627, Tau Island, reef, at Siulagi Pt., June 27, 1939, 2 specimens. 



I believe that Myxus leuciscus Giinther is this species and should be 

 placed in the synonymy of it. 



Genus MUGIL Linnaeus 



Mugil Linnaeus, Systema naturae, ed. 10, p. 310, 1758. (Type, Mugil cephalus 

 Linnaeus.) 



