85 



B. Oral border of upper jaw with a ligament in stead 

 of a supplemental bone between lateral end of inter- 

 maxillary and maxillary. 



I. Up to 45 scales in L.I., 23 28 abdominal scutes. 



a. Height about 3 3 / 4 , posterior half of dorsal 



opposite to anal. Anal about 3 times in length. 



A. circa 42 P. kampeni p. 87. 



6. Height 21/2 23/ 5 . 



1. Anal 2' 2 / 5 2V-2i origin of anal behind dorsal. 



L. 1. 40 42. A. 47 48 P. brachysoma p. 87. 



2. Anal 3, origin of anal below last dorsal 



rays. L. 1. 45. A. 37 39 P. ditchoa p. 88. 



II. More than 45 scales in L. 1., 28 39 abdominal 

 scutes. 



a. At least a part of the anterior half of the 

 dorsal is situated above the anal. 



1. 35 abdominal scutes. L.I. 50. A. 40. Anal 



2'/ 2 in length P. pristigasfroides p. 89. 



2. 38 39 abdominal scutes. L. 1. 5054. A. 



47 53. Anal 2 2 / 3 2 3 / 4 in length P. amblyuropterus p. 90. 



b. Only the posterior half of the dorsal or part 

 of it opposite to anal. 



1. Anal 3, height 3 4 in length. 



ct. Ventrals in middle between anal and 



suboperculum. 



aa. Origin of anal nearly opposite to 

 end of dorsal. Greatest convexity of 

 ventral profile near ventrals. Maxil- 

 lary reaching to middle of eye, which 

 goes 4 times or less in head. .../*. elongata. p. 90. 



bb. Origin of anal opposite to posterior 

 half of dorsal. Greatest convexity of 

 ventral profile near base of pectorals. 

 Maxillary reaching to hindpart of 

 eye, which goes more than 4 times 



in head P. novacula p. 92. 



(3. Ventrals much nearer to anal than to 



suboperculum. Origin of anal opposite 



to hindermost rays of dorsal P. diissumieri p. 92. 



2. Anal 2 1 /2 2 3 / 4 , height 2 2 / 3 3^4 in length. 

 . Ventral much nearer to anal than to 



