36o 



FLATFISHES (HETFKOSOMA TA) 



3 MICROSTO.MUS I'ACIKICUS (Lockington). 



[SLIPPliKV SoLK.| 



Ghptaccphalus pactficui, Lockington, i87,S-(j, Kcp. Cil. Com. l-ishcrics. p. 43; I.OLkmRton, 18S0 



Proc. U.S. Nat. Mus., ii, (1879). p. 81. ; Jordan, 1S84, Nat. Hist. .-Vqiiat. .Aiiini. (I-ishcries I'lsli 



liuiust. i;..S.,i), p. 1S8. 

 rvnicoe/cssus pacificus, Jordan and Gillierl, i.s.Si. Proc. U.S. Xat. Mc 



and Cdbcrt, 1S82, Proc. U.S. Nat. .Mim.. n , (i.ssi), p. (,s ; Jordai 



Nat. Mns., xvi, p. 83S. 

 Microslomm pacificus, Jordan and Goss, i8«i). Rep. U.S. Com. Fish., xiv, (1886), p. Jijg ; Jordan 



and Evennann, 1898, Bull. U.S. Nat. Mus., .\lvii {3), p. 2655 ; Evermann and Goldsborough. 



1907, liull. U.S. Bur. Fish., xxvi, (1906), p. 3J7 ; Starks .and Morris. 1907. Univ. Calif. Pub. 



Zool, ill (II), p. 24"^ ; Starks, 1911, .Ann. Canii'Kii- .Mus., vii. ] 



Game. IV (.,). p. 10. tig. o'l- 



. (iNSo), p. 45.i; Jordan 

 Gilbert, 18S3, Hull. U.S. 



, Calif. iMsh 



dental funmila 



Gill-rakers rather short and stout ; 9 to 1 1 on lower 



Depth of body 2| to 3J in the length, length of head 4J to 45. I'pper profile 

 of head more or less evenly curved. Snout scaled, shorter than eye, diameter of which 

 is 3 to 4 in length of head ; lower eye a little in advance of upper ; interorbital ridge 

 and upper surfaces of eye-balls more or less scaled ; postocular ridge scarcely apparent ; 

 anterior nostril of ocular side with a short tube, with long posterior flap. Mouth 

 rather asymmetrical, maxillary extending to below anterior part of eye, length 

 on ocular side 4 to 4J, on blind side 33 to 3J in that of head ; lower jaw 

 scarcely projecting, 3 to 3!- in head. Teeth forming a continuous cutting edge ; 



13-1*) 



part of anterior arch ; width of lower pharyngeals about 7 or S in length ; each with 

 an inner row of strong conical teeth, and anteriorly an outer series of 5 to 7 much 

 smaller teeth. Scales fairly well imbricated ; about 146 in a longitudinal .series 

 above lateral line ; no supplementary scales. Lateral line with a very low curve above 

 the pectoral fin ; a short supratemporal branch. Dorsal 94-106 ; origin at a distance 

 behind posterior no.stril which is at least i diameter of eye. a little behind middle 

 of eye ; highest rays about twice in length of head. Anal 80-88. Pectoral of ocular 

 side with 9 or 10 rays (6 or 7 branched), length ij to ij in that of head. Pelvics 

 with 5 or 6 rays. Caudal with 21 rays (15 branched), rounded, densely scaled; 

 caudal peduncle nearly twice as deep as long. Vertebra; 52 (12 + 40), Brownish ; 

 indistinctly mottlefl with darker ; all the fins blackish towards their edges on both 

 sides. 



