66 Mr. C. T. Regan 07i the Fishes of the 



ft Pectoral extendiug to above tbe third or fourth anal 

 spine. 

 Caudal slightly emarginate, with rounded lobes . . 38. maryaritifenan. 

 Caudal rounded 39. citrinellum. 



8. D. XVIT 11-12. A. VII-VIII 8-9. Pectoral extending be- 



yond the origin of anal. Lips exceptionally thick. 



a. Lips subnormal 40. erythrceian. 



b. Each lip produced as a long tleshy triangular flap. 

 Depth of body 2^ in the length, length of head 



nearly 3 * 41. lobochilus. 



Depth ufbody 2^ in the length, length of head 



2i-2f 42. labiatum. 



9. D. XV-XVII 8-12. A. \T:-IX 6-9. Dorsal tin entirely scale- 



less. Caudal slij^htly emarginate, with pointed lobes. 



a. Last dorsal spine \ the length of head ; pectoral extending 



beyond origin of aual. 

 Snout not longer than postorbital part of head . . 43. aureian. 

 Snout longer than postorbital part of head 44. affine. 



b. Last dorsal spine f the length of head or less ; pectoral ex- 



tending to above origin of anal .... 45. callolepis. 



10. D. XV-XYII 13-14. A. VII-YIII 12-14. Body ovate. 



46. severum. 



B. Scales of the lateral line larger than those below it on the side of 

 the body 47. psittacitm. 



II. Teeth of the outer series in the upper jaw increasing in size ante- 

 riorly, with the anterior pair more or less distinctly differentiated 

 as canines. Anterior pair of teeth in the lower jaw, if present, 

 smaller than the next 1 or 2 pairs, which are more or less strongly 

 enlarged and canine-like. Lips normal. Scales of thoracic region 

 small. 



A. D. XV-XVI 10-12. A. IV 8-10. 



Caudal peduncle nearly as long as deep 48. adspersum. 



Caudal peduncle |-| as long as deep 49. tetracanthtis. 



B. D. XV-XVI 10-13. A. V (IV- VI) 7-10. 



1. Snout nearly equal to postorbital part of head (in the adult) ; 



caudal peduncle as long as deep. 

 Depth of body 2f-2f in the length ; jaws equal 



anteriorly 50. tstlcmmn. 



Depth of body 2]-2| in the length ; lower jaw 



projecting 51. Bartoni. 



2. Snout shorter than postorbital part of head (in the adult) ; 



lower jaw projecting. 



Depth of body 2-2^ in the length ; caudal pe- 

 duncle I as long as deep 52. Beani. 



Depth of body 2|-2| in the length ; caudal pe- 

 duncle as long as deep 53. mento. 



3. Snout longer than postorbital part of head (in the adult) ; 



depth of body 2^-3 in the length. 

 Lower jaw slightly projecting (in the adult) ; 



caudal peduncle deeper than long 54. Fest<B. 



Lower jaw a little shorter than the upper (in the 



adult) ; caudal peduncle as long as deep .... Ijo. ornatum. 



