POMACENTRIDAE. 127 



Of those, eight have Ki dorsal rays and one has 17 dorsal rays; the anals 

 have uniformly 14 rays. 



These specimens show the following colors: — all more or less spotted with 

 pale blue or pearly spots ; the three larger ones with no spots on body and fewer 

 and fainter spots on head and fins; some of the smaller specimens similarly 

 marked ; the posterior margins of body scales dusky, forming narrow transverse 

 lines; in some of the smaller specimens, in addition to the dusky marks there is 

 a pale blue curved bar on each scale on side of body becoming spots on back and 

 belly and forming alternating transverse lines with the darker margins below 

 lateral line and long lines following rows of scales above lateral line; the spots 

 on the side of the head are irregular in size and arranged approximately in series 

 downward and forward towards the isthmus: two lines formed of these spots 

 under the eye, one just below suborbital following its curve to corner of mouth, 

 one under eye and parallel with its margin on the suborbital, a short line extends 

 from front of eye forward to edge of preorbital; a light blue line on upper part 

 of eye; a line of coalescent spots extending from tip of snout back over eye to 

 front of spinous dorsal, a series of fainter spots between these on the median line, 

 such spots occurring also on soft dorsal and anal and 'following the row of scales ; 

 in the smaller specimens a small black spot on caudal peduncle just back of the 

 angle of soft dorsal; several specimens with a large pearly spot on angle of dorsal 

 and anal; none of these showing traces of black spot or ocellus on anterior base 

 of soft dorsal; a small black spot on upper base of first ray of pectoral. In 

 these specimens the pectoral fins are pale, agreeing with the larger specimens in 

 the markings behind pectoral. 



Three specimens if to 2 inches long from Perico Island, Panama Bay. 

 These specimens are like the preceding except that they show traces of the black 

 spot on anterior base of soft dorsal. 



Two specimens 2\ to Si inches long from Toboguilla Island, Panama Bay, 

 among coral in two fathoms of water. 



These have 16 dorsal and 14 anal rays. They are similar in color to the 

 larger specimens but show a few pearly spots on sides of head. 



Seven specimens Is to 2i6 inches long from Acapulco. M. C. Z. 29568 

 (4 specimens). 



Of these, all have 16 dorsal rays; six have 14 anal rays and one has 13 anal 

 rays. 



These specimens have the general color of the Perico Island specimens, but 

 the three largest show traces of a black spot on the anterior base of soft dorsal; 



