FISHES OF THE PHILIPPINE SEAS AND ADJACENT WATERS 345 



on caudal peduncle. Long scaly flap between ventral bases. Dorsals 

 separated, with several isolated spines between and all spines feeble. 

 Dorsal spines 14, rays 9 or 10. Anal spines 3, rays 10. 



ANALYSIS OF SPECIES 



a'. Emmelichthys. Depth 4}^; soft anal rays 10 cyanescens. 



a*. BoxAODON. Depth 5>^ to 5%; soft anal rays 8 nitidus. 



Subgenus Emmelichthys Richardson 



EMMELICHTHYS CYANESCENS (Guichenot) 



Boxaodon cyanescens Guichenot, Hist, fisica polit. Chile, Gay, Zool., vol. 2, 

 p. 209, atlas, pi. 5, fig. 1, 1847 (type locality: Valparaiso). 



Erythrichlhys cyanescens GtJNTHER, Cat. Fish. Brit. Mus., vol. 1, p. 395, 1859 

 (compiled). — Jordan and Fesler, Rep. U. S. Fish Comm., pt. 17, p. 528, 

 1889 (1893) (compiled). 



Depth 4)^; head 3K- Snout 3% in head from snout tip; eye 3%, 

 equals snout; maxillary reaches }i in eye, expansion 2, length 2)^ in 

 head; interorbital very low ; preopercle entire. 



Scales small; predorsal scales extend forward at least to nostrils; 

 11 or 12 rows on cheek to preopercle edge; caudal half scaly basally, 

 fins otherwise scaleless. 



D. VIII-I-I-I-I-I, 9, fourth spine 2)i in total head length, first ray 

 3}^; A. Ill, 10, I (II, 12 in text) in total head length, third spine 5K> 

 first ray 3; caudal 1%, little emarginate behind; least depth of caudal 

 peduncle 3%; pectoral 1%; ventral 2)(o. 



Above bluish gray, without markings, silvery below. All fins 



golden. Length, 125 mm. (Guichenot.) 



Chile. 



Subgenus Boxaodon Guichenot 



EMMELICHTHYS NITIDUS Richardson 



Emmelichthys nitidus Richardson, Voy. Erebus and Terror, Fishes, vol. 2, p. 47, 

 pi. 29, figs. 7-8, 1844 (type locality: West Australia). — Barnard, Ann. South 

 Afric. Mus., vol. 21, pt. 2, p. 592, pi. 24, fig. 2, 1927 (Simonstown, False 

 Bay). 



Erythrichlhys nitidus GIjnther, Cat. Fish. Brit. Mus., vol. 1, p. 395, 1859 (New- 

 Zealand). — Stead, Additions fish fauna New South Wales, No. 1, p. 16, 1907. 

 — McCtjlloch, Zool. Res. Endeavour, vol. 1, p. 66, 1911. 



Depth 5% to 5%; head 3K to S%, width 2% to 2%. Snout 3% to 4 in 

 head from snout tip; eye 3% to 3%, greater than snout or interorbital; 

 maxillary reaches % to % in eye, expansion IK to 2 in eye, length 2)^ 

 to 2)^ in head from snout tip; no teeth; interorbital 4% to 4%, very 

 sHghtly convex; very thin preopercle edge uneven. Gill rakers 12 + 

 28, finely lanceolate, slightly longer than gill filaments or 1% in eye. 



Scales 74 or 75 in lateral line to caudal base and 4 or 5 more on 

 latter; 7 or 8 above, 14 or 15 below, 41 to 43 predorsal, 6 rows on 

 cheek to preopercle ridge; soft vertical fins with basal scales. Scales 

 with 6 to 8 basal radiating striae; 15 to 17 irregular moderate apical 



