24(5 EXPEDITION OF THE " Al .15ATI{()SS." ISil!) 11)00. 



In dental characters our specimens agree with Bleeker's description but the 

 origin of the dorsal, so far as can be discerned, seems to be situated more poste- 

 riori}', more like M. gymnotus. 



OPHICHTHYIDAE. 



Leiuranus semicinctus (Lw & Bewett). 



Ophisurus semicinclus Lay <t Bennett, ZodI. Becchey's \oy;ige, 1839, ii. titi, ]il. 20, fin. 1. 

 Leiuranus colubrinus Bleeker, Atlas lohth., 18(34, 4, p. 42, tab. 163, Mur. 111. fifj. 1. 



One specimen, No. 090()3, (i inches long from Arhiio Atoll. Alarsliali Islands. 



MURAENIDAE. 



Gymnothorax richardsonii Bleeker. 



Atlas Ichtli., 1,S64, 4, p. 8.5, 100, tab. IMl, Mur. tal). 42, fig. 2. 

 Muraena richardsonii Bleeker, Nat. Tijil.s. Xpd. Ind., 1852, 3, p. 29(5. 



Two specimens, No. 05783, 0.")7S4, AI. C. Z. 29792 (small). Bora Bora, Society 

 Islands. 



Gymnothorax pictus (Aiil). 



Muraena picla .\hl, .Specimen Ichtliyolosjicuiii dc Muraena ot (Jpliichtlio, 1789, )i. 8, ])1, 2, fig. 2. 



The collection contains the following sijecimens from PaomoUi Islands: 

 No. 08822, 14^ inches long from Anaa. No. A52, M. C. Z. 297<)() l(i| inches long 

 from Fakarava; No. 05771, 13^ inches long. No. 05770, 182 inches long, and 

 No. 05772, M. C. Z. 29761, 14? inches long, from Makemo. No. A3(), 2O5 inches 

 long from Tikei. No. A2(), 23 inches long from liangiroa. .Vnolhcr s))('cim(Mi. 

 No. .\15(), 1<S inches long from Funafiili, Kllice Islands, and Xos. 09044, (1 inches 

 long and 09043, 95 inches long from .laluit, Marshall Islands. 

 The following notes were taken from the above specimens: 

 Color of \o. 08822, in nlcohdl, creamy white, thickly speckled wilh brown 

 on back and sides, belly plain while specks arranged in irregular, crDWiled 

 groups, same color on dorsal lin: \\\\> grnn|)ing on the while backgroimd gix'cs 

 a faint reliciilateil effect, the ret iciilal ions being (if the i)ale color: anal white; 



