26 PROCEEDINGS OP THE NATIONAL MUSEUM vol. 66 



applicable to the species of this o-enus. The name Sparisoma, for 

 Scarus ahhildgaardi must apparently be retained for a related 

 genus, although the definitions assigned by Swainson to his various 

 genera of ScaH are mostly without pertinence. 



ANALYSIS OF HAWAIIAN SPECIES OF LEPTOSCARUS 



a*. Color of body and fins dull grayish or brownish. 



&\ Dorsal fin with a small black spot between first and second spines; 



caudal somewhat lunate. 



c\ Sides above lateral line with a series of about five roundish white 



spots as large as pupil ; dorsal also with small whitish markings ; 



sides of body below lateral line with about 10 or 12 large round 



spots ; numerous smaller spots and irregular markings scattered 



among these snyderi. 



c^ Sides somewhat mottled with lighter but without distinct spots or 

 specks ; dorsal obscurely marked with darker, not distinctly spotted 



with white sandvicensis. 



W. Dorsal fin without black blotch in front; caudal rounded cyclurus. 



a^ Color of body and fins chiefly blue or green ; about 8 pale or pink stripes 

 radiating from eye ; scales each with a pink spot at base ; fins mottled 

 or striped; caudal truncate Irradians. 



LEPTOSCARUS IRRADIANS (Jenkins). 



This handsome species is common about Honolulu. Giinther^^ 

 is apparently in error in identifying it with Leptoscarus genistriatus 

 (Bleeker) of the East Indies. In life, irradians is blue and green, 

 the markings on the head pink, while genistriatus is a dark red fish 

 much mottled with darker ; the head markings figured as a deep red. 

 Except for the general color the patterns on the two are quite 

 similar. 



Genus SCARIDEA Jenkins 



This genus, with Sparlsoma^ differs from all other Hawaiian 

 Scarida^. in having stiff dorsal spines. From Sparisoma it is dis- 

 tinguished by the few series of nearly free teeth — at most three in 

 either jaw and not coalescent except at the base. The teeth of 

 Sparisoma are usually in many series — from six to nine — and all but 

 the outermost are firmly coalescent into a solid plate approaching 

 those of Scarus proper, Posterior canines are present in both genera. 

 As far as known, Scaindea is confined to the Hawaiian Islands, 

 while, except for one Mediterranean species, Sparisoma is found 

 only in the general region of the West Indies. 



ANALYSIS OF HAWAIIAN SPECIES OF SCARIDEA 



fl\ Body with a broad brassy yellow cross band just back of tip of pectoral ; 



lower part of head irregularly blotched with bright scarlet aerosa. 



a*. Body without brassy crossband ; no bright scarlet on head. 



" Fishe der Siidsee, vol. 3. p. 300. 



