358 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



f. Ocellus or dark blotch above at each pectoral base. 



m^. Entirely with irregular, waved or reticulated dai'k 

 lines, form cluster at each pectoral base. 



katsukii 

 m\ Disk with pale spots, often black blotch at each 



pectoral base kenojei 



w^ Dark blue-black ocellus at each pectoral base 

 above; with or without small dark spots, some- 

 times ocellate. 

 n^. Eye greater than firm interorbital space. 



miraletus 

 w^ Eye less than firm' interorbital space— ocellifera 

 t'. Three rows of vertebral spines on back and tail. 



caudaspinosa 

 &. Body largely roughened above, smooth areas small, inconspicuous or 



absent. 



«^ Teeth in more than 50 rows. 



'. Body partly or wholly dark on lower surface. 

 ip\ Row of vertebral spines only on tail and row 

 each side ; gray above, chocolate below. 



annandalei 

 p^ Row of vertebral spines on back 'and tail. 



q^. Uniform jet-black mamillidens 



Q'^ Reddish brown above and below, latter 

 with whitish around mouth and abdomen. 



durbanensis 

 g'. Brownish gray above, brownish black 



below isotrachys 



<7*. Purplish brown above; below white, hind 

 disk edges and ventrals broadly blackish. 



tobae 



Q^ Purplish brown with few irregular black 



spots ; white below, with few dusky spots, 



margins gray kujiensis 



'. Body with under surface entirely pale or white. 

 1^. Single row of vertebral spines only on 

 tail. 



.s\ Uniform brown above nasuta 



.si Brown, with darker or lighter spots ; 

 with or without yellowish ocellus at 



each pectoral base murrayi 



1^. Single row of vertebral spines on back 

 and tail; pale brown, blotched darker 

 brown and white, latter may form nar- 

 row lines and tail transversely banded. 



plutonia 

 r*. Band of fine vertebral spines on back and 

 tail; brown above, white below. 



sibogae 



f. Upper surface of body largely 

 smooth. 

 «\ Median line of vertebral spines 

 present, at least on tail. 



