dorsal spine 3 1/2 in total head length} last spine 3 2/5; 
twelfth dorsal ray 1 7/8; second anal spine 2 5/6; third 
anal ray 2; caudal 1 1/5; hind edge convex; pectoral 1 1/8; 
ventral 1 1/6, 
Color in alcohol dull umber-brown generally, scarcely 
paler below. Fins likewise. White band, ervae at first, 
begins 2 scales before spinous dorsal, then slopes oblique- 
ly down to embrace hind preopercle edge to hind part of inter- 
opercle end at no course of its extent more than 3 scales in 
width, Length 90 mm, Fiji. 
We have compared ea rather poorly preserved Sumatran ex- 
emple in the Academy. It shows: Head 3 1/6; depth 1 3/4; D. 
A, 17; A. II, 14. Color when fresh in arrack, with bistre 
predominant, little paler and s ightly ruddy below, 
Hind half of trunk above and greater part of lower side deep 
bleckish-brown, Fins dilute brownish, pater terminally. 
Spinous dorsal and anal edges narrowly dusky. Soft anal with 
narrow dusky edge. Ventral blackish, pale brown on inner edge, 
Vrown blotch on pectoral base medianly, fine pale brown. #ris 
dark, Length 76 mm, 
a, 
Dascyllus aruanus (Linnaeus,). fatg , 2% 
rah 
Head 2 3/4 to 3 1/3; depth 1 3/5 tol 4/5; D. XII, 12, 
rarely ll or 15; A. II, 12, rarely i1; 16 to 18 scales in upper 
arch of lateral line, and 9 or 10 pores in horizontal section; 
4 scales above lateral line to spinous dorsal origin; 2 above to 
