I 



Collected by Charles Frederick Hartt. 271 



fades out anteriorly, being replaced by a silvery band. An indistinct 

 humeral spot present. Ventral and pectoral tins with red. Head 4, 

 longer than deep at the occiput, depth 21 to 3 *96. fasciatus. 



ft Scales conspicuouHly larger, anal shorter than \\\ fascial us. The humeral 

 and caudal spots much less distinct. Head 4-4|, depth 'il-'i, D. 10, 

 A. 3, 16-19, scales 5 to 5i-35 to 37-3 to 4 99. iheringii. 



* * Anal rays 29 to 31, scales 7 or 8-37 to 38-8; eye 3 in the head. Depth 3, 



head 4 in length. An indistinct lateral band present 100. orstedii. 



III. Lateral line not complete ; only some of the anterior scales perfoi-ated. 

 ;3. Anal rays 15-27. 



; . Scales in the lateral line :>0-3."). 



(5. Dark markings on some of the anal rays. 



e. A large black spot on the upper part of the dorsal, no caudal or hu- 

 meral spot, golden Ijlotches on the opercle. A narrow band of 

 black obliquely crosses four or ti\ e of the anterior ra^s of the 

 anal, commencing at the top of the first ray. Lateral line ex- 

 tends to the middle of the body. Head 4A, depth 3i, eye 3| in 

 the head, scales in 1;2 rows. A. 27 101. unilineatus. 



ff. No conspicuous hlacJc spot on the dorsal. A faint dark lateral 

 band, a milk-white sti'ipe on the fore edge of the anal, and a vio- 

 let stripe immediately behind it. A. 24, head 3}-3|, depth 

 2 j-2f , scales 5 or 5^-30 or 31-4 102. elegans. 



JfS. No dark markings on the anal rays. 

 i- Caudal or humeral spot present. 



//. Caudal spot present, no hiuneral spot. 



f). Anal rays 21-24, 6-12 scales in the lateral line perforated, the 

 caudal spot does not extend to the end of the rays, but extends 

 forward as a dark Ijand, becoming less distinct anteriorly. 

 A more or less conspicuous silvery lateral band present. 

 Caudal deeply lobed. Dorsjil behind the \-enti'als, the pec- 

 torals extend to the ventrals. A. 21-24, head 4], depth 4, 

 scales 5-32 or 33-4 103. gracilis. 



'^W. A. 17-19, perfortaed seales in the lateral line 4-7, the large, 

 diffuse,' dark caudal spot e.rtends to the end of .lome of the rays 

 and fades out anteriorly. No humeral spot. An inconspicu- 

 ous silvery lateral band present. Pectoral almost touches the 

 ventral. Caudal deeply lobed. Size small, depth 4 in the 

 length. Scales 4-30 or 32-? 104. nanus. 



CC- No caud(d spot, the humeral K2)ot surrounded by a bright ring, round 

 or oval, "when oval vertically elongate. A sharply marked blue- 

 gray line extends backward to the base of the caudal fin. Dorsal 

 behind the ventral, the pectoral extends to its base. The ventral 



* T. fctsciatu.s intcrrupta (97), 11 scales across the back, in front of the dorsal between 

 the hiteral line and lateral line. Scales 32-35, A. '22-24. Eye slightly less than the inter- 

 orbital. 



