62 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



D. X, 9, third spine 3 in head, third ray 2%; A. Ill, 8, third spine 4%, 

 second ray 3}^; caudal Iji, emarginate; least depth of caudal peduncle 

 3Ko; pectoral 1%; ventral 1%. (Sauvage.) 



Uniform greenish. Muzzle clouded. Traces of bluish streaks 

 before eye. Length, 305 mm. (Valenciennes.) 



Bouro Island. Apparently difi'ers in the small pectoral tin, shown 

 by Sauvage as V/i in the head. 



LETHRINUS BORBONICUS Valenciennes 



Lethrinus borbonicus Valenciennes, Hist. Nat. Poiss., vol. 6, p. 303, 1830 (type 

 locality: Saint Denis, Bourbon). — Guichenot, Notes lie Reunion, vol. 2, 

 p. 25, 1862. — Sauvage, Hist. Nat. Madagascar, Poiss., pi. 21, fig. 2, 1891 

 (type). — Barnard, Ann. South African Mus., vol. 21, pt. 2, p. 634, 1927 

 (Delagoa Bay). 



Depth 3%; head 3Ko, upper profile slightly depressed over eye. 

 Snout 2 in head; eye 3%, 1% in snout, equals preorbital depth; maxil- 

 lary reaches % to eye, length 2% in head; strong canines (apparently 4) 

 in front of each jaw, hind teeth obtuse molars, each with deep longi- 

 tudinal groove; interorbital low, broader than eye. 



Scales 48 (figure shows 56) in lateral line to caudal base; (5 above, 

 14 below; predorsal scales forward opposite eye). 



D. X, 9, fourth spine 2% in head, first ray 2%; A. Ill, 9, second and 

 third spines subequal, 2% in head, first ray 2%; caudal Iji, little 

 emarginate; least depth of caudal peduncle 2%; pectoral iKo; ventral 2. 



Yellowish, with silvery reflections. Head brown. Gorge and fins 

 rosy. (Sauvage.) 



Bourbon, Delagoa Bay. The type, obtained by Gaimard, was 175 

 mm long. Sau-vage says this species is characterized by the short 

 snout and the convex front profile above the eye. 



LETHRINUS CAERULEUS Valenciennes 



Lethrinus caeruleus Valenciennes, Hist. Nat. Poiss., vol. 6, p. 301, 1830 (type 

 locality: Seychelles). — Sauvage, Hist. Nat. Madagascar, Poiss., p. 202, 

 pi. 21, fig. 3, 1891 (type). 



Depth 2%; head 2%, upper profile little convex just before eye. 

 Snout 1% in head; eye 3%, 2% in snout; maxillary reaches % to eye, 

 length 2% in e3'^e; teeth as 4 moderate canines apparently in front of 

 each jaw as shown on figure followed by 4 or 5 simiilar conic teeth; 

 molars somewhat stronger above than below; interorbital low, little 

 convex, greater than eye. 



Scales 54 in lateral line to caudal base on figure; 6 above, 16 below; 

 predorsal scales extend forv.ard opposite hind eye edge. 



D. X, 9, third spine 3^ in head, third ray 2%; A. Ill, 8, i, third 

 spine 3, first ray 2%; caudal 1%, truncate; least depth of caudal 

 peduncle 2%; pectoral 1%; ventral 1%. 



Light blue with silvery reflections. Black spot on temple. Upper 

 lip yellow. Ends of fins golden. (Sauvage.) 



