440 FISHES COLLECTED BY THE ALBATBOSS— GILBERT. vol xix. 



Color (in alcohol). — Dark blue above, light blue ou side, and white 

 below ; maxillary barbel dusky ; fins all dusky. 



Type.—^o. 47577, U.S.KM. 



This species was collected by the Albatross in the Galapagos Archi- 

 pelago, being part of the collection studied by Jordan and Bollman in 

 18S!). It was recorded by them' as Tachysuriis elatturus (var.?). Its 

 relations to Xetuma elaitnra are close, but its fins are larger and there 

 are several differences in details of structure. 



Family ATHEKINID.E. 

 LEURESTHES CRAMERI, Jordan and Evermann. 



Head4i; depth 54; eyes o%; snout 3^; dorsal A"-I, 8; anal 1,21; 

 scales 5-07-0. 



Body slender, gently rounded above, narrowed below. Scales smooth, 

 firm, closely imbricated, the membranous edge strongly serrate. JNIouth, 

 moderate, premaxillaries very protractile; maxillary short, not reach- 

 ing eye. First dorsal over front of anal, much nearer base of cau- 

 dal than tip of snout, or midway between base of caudal and gill 

 opening. Color hyaline green, with a lateral silvery streak, plumbeous 

 above, narrow, its width Ih in eye, wider than one row of scales, cover- 

 ing one row and two half rows; body above lateral line covered with 

 small brown specks; pectorals and caudal chiefly blackish; second 

 dorsal with many black specks; anal and ventrals ]»lain. Close to 

 LenrcHtlu's fenids, from which it differs in the larger scales, smaller eye, 

 shorter maxillary, and the much narrower lateral band. Length 5 

 inches. Ballenas Bay, Lower California, near Cape Abreojos. Several 

 specimens collected by Dr. Charles II. Gilbert on the Albatross. 



Ti/pe.—l^o. 47583, U.S.N. M.- Named for Frank Cramer, in recogni- 

 tion of his excellent work on the ScorpaMiida^ and Agonidas 



This species is described as new in Jordan and Evermann, " Fishes 

 of North and Middle America." 



Family MUGILID^. 

 MUGIL THOBURNI, Jordan and Starks, new species. 



Head 3i to 33; depth 4; dorsal IV-7; anal III, 9; scales 44-15; 

 orbit equal to snout, 4i in head; uncovered part of eye 8 or 9 in head; 

 interorbital 2i; first dorsal si)ine 2; soft dorsal and anal equal, the 

 longest ray, 2.^ ; ventrals 2 in head ; pectorals Ig. 



Body moderately elongate; a very gentle curve from tip of snout to 

 dorsal; ventral outline considerably curved, the curve uniform from 

 chin to caudal ])eduncle. Head large, broadly rounded above; eye 

 moderate, with a large adipose eyelid; mouth oblique, the maxillary 



' Proc. U. S. Nat. Mns., XII, 1889, p. 179. 



''Transfernul from the Leland Stanford Junior Iniversity :Museum where it was 

 numbered 27. 



