CARANGIDAE. 97 
Platystethus cultratus (BLocn & SCHNEIDER). 
GintTueER, Cat., 1860, 2, p. 391. 
Sciaena cultrata Forster, MS. 
Cichla cultrata Buocu & ScuneiweEr, Syst. Ichth., 1801, p. 343. 
Plate 2, fig. 3. 
No. 3198, a specimen 9% inches long from Cook Bay, Easter Island. Dorsal 
VIII-I, 27; anal II-I, 32; head 4 in length; depth 3.12; eye 3.50 in head; 
snout 3.25; maxillary 2.77; pectoral 1.38; ventral 2.77; longest dorsal spine 
(fifth) 4.34; scales 6-53 (57)-11, counted from origin of soft dorsal downward 
and forward to lateral line there are 8, counted from origin of spinous dorsal 
downward and backward to lateral line there are 6, below the lateral line, counted 
downward and forward to anal there are 11; if all the scales are counted in the 
lateral line there are 57. 
Color dark slaty and brownish above, lighter on the sides, silvery below; 
longitudinal dusky streaks following the rows of scales, those in axis of body 
continuing to base of caudal, successively shorter to the one on a line from about 
the base of pectoral, which one terminates under about the 6th dorsal ray; each 
row of scales on the sides of abdomen is streaked with white. 
In our specimen the maxillary reaches the anterior margin of eye. 
Decapterus sanctae-helenae (Cuvier & VALENCIENNES) 
JorpAN & EVERMANN, Bull. 47, U.S. Nat. Mus., 1896, pt. 1, p. 908. 
Caranzx sanctae-helenae Cuv. & VAu., Hist. Nat. Poiss., 1833, 9, p. 28 (37). 
One example, No. 3184, 122 inches long from Easter Island. 
Head 3.8 in length; depth about 5; eye 3.27 in head; snout 3.13; pectoral 
1.38; dorsal VII-I, 30; anal II-1, 26-1; scutes 34. 
Provisionally identified with this species although it differs somewhat from 
current descriptions. 
Hemicaranx atrimanus (Jorpan & GILBERT). 
Jorpan & EverMann, Bull. 47, U.S. Nat. Mus., 1896, pt. 1, p. 913. 
Caranz atrimanus JorpAN & GiLBERT, Bull. U.S. Fish. Comm., 1882, 1, p. 308. 
Three specimens 73-7% inches long from Panama Bay. M. C. Z. 29654 
(1 specimen). 
These specimens give the following measurements; — 
