Collected hy Charles Frederick Hartt. 267 



BB. No lateral hand, caudal fin hiack irHh tiro large oranr/c .spots on the 

 iasal half. Maxillary toothless, extends to or nearly to the middle 

 of the eye. Dorsal tin over the ventral. Head 4^-4.1, depth 32-4, 

 scales 7-45 or 46-4 J. A. 26-30 37. melanunis. 



zzz. Scales in the lateral line 40-43. 

 C. ]\Iaxillary without teeth.'" 



D. Maxillarii long and narnnr, extends to the middle of the eye. Caudal 

 fin black or l^lackish, with a pair of large, red spots on its basal half. 

 Dorsal fin somewhat behind the ventral. Head 4i, depth 3]. A. 

 27, scales 7-43-4^ 59. affinis. 



DD. Maxillary not e.vtendiny to the middle of the eye. Dorsal over the 

 ventral. Caudal blackish A\ith two red spots on its l)asal half. A. 

 26, scales 6t-42-4 60. caudomaculatus. 



CC. Maxillary with evident teeth its entire length. 



E. Humeral spot and lateral band present, caudal spot generally ab- 

 sent. Head 41, depth 2f-3. A. 26, scales 7.] or 8-42 to 44-6 or 7. 



61. huamboniciis. 



EE. Xo humeral spot present or lateral band, middle caudal rays 

 black. Origin of the dorsal fin midway between the tip of the snout 

 }: and root of the caudal, behind the ^enti-al and over the anterior 



f: anal rays. A. 27. Head 4-2, depth 3J, scales 8-45-6. 



63. polyodon. 

 zzzz. Scales in the lateral line 34-39. t 



F. Lateral band, hiuneral and caixdal spot present. 



G. Lateral band black, .<<cales in 1-J row!<. Dorsal fin behind the base of 

 the ventrals. Maxillary toothless, extends a little Ijehiud the an- 

 terior border of the orbit. Interorbital space much more than the 

 diameter of the eye. Head 3§, depth 3. A. 28, scales 7-34-6.. 



64. ■wrappi. 

 GG. Xo black lateral Ijand. 

 -> H. Caudal fin \^•ith a band on one or both lobes. 



I. Upper caudal lobe iritJi a black band, head 4 '» fhe length. A sil- 

 ; very lateral band, pectorals do not extend to the base of the 



;. ventrals. Dorsal fin nearly over the ventrals. Maxillary ex- 

 tends to the eye. Head 4, depth nearly 3. A. 24-25, scales 

 5 or 5i-36-3i or 4 65. lepidunis. 



II. Each caudal lobe with a black cro.s.s-band, head .5 in fhe length. 



'■ A silvery lateral band. Dorsal over the lAnder ventral rays. 



Tlie maxillary does not extend beyond the anterior border of 

 V the orbit. Depth 23. A. 25-26, scales 5-36 to 38-3 or 4. 



68. dichrourus. 



* T. tceniatus Jen. (62) has scales 7-10-t>. D. 11, A. 25. Depth 3. humeral and caudal 

 spots present, united by a silvery band. 



t D. 10, A. 27, scales 5-37-3 alburnus G(i. 



A. 29, scales 8J^-38-8 gronovii 67. 



