ELEOTRIS. 
73 
Colour brownish olive ; the posterior part of the trunk and tail covered with small 
round whitish spots, separated by a network of darker lines; dorsal and anal fins 
blackish, with a white black-edged band along the base ; head uniform. 
Length 1 inch 3 lines. 
Aden. 
PERIOPHTH ALMU S, Schn. 
245. Periophthalmus koelreuteri. [426.] 
Periophthalmus koelreuteri, Cuv. fy Val. xii. p. 181; Riipp. N. W. Fische, p. 140; Giinth. Fisk. iii. 
p. 97. 
Seychelles. Zanzibar. Bed Sea to Australia and the islands of the Western 
Pacific. 
ELEOTRIS, Gronov. 
246. Eleotris ophiocephalus. [425.] 
Eleotris ophiocephalus, ( Kuhl fy v. Hass.) Cuv. fy Val. xii. p. 239 ; Cant. Mai. Fish. p. 196; Giinth. 
Fish. iii. p. 107. 
margaritacea, Cuv. Val. xii. p. 240. 
The African specimens do not differ from those of the East Indies, except in having 
the second dorsal and caudal fins spotted with dark brown instead of with white. 
Fresh water of Seychelles and Johanna; saltwater of Mozambique. East-Indian 
archipelago. New Ireland. Philippines. 
247. Eleotris madagascariensis. [405 a.] 
Eleotris madagascariensis, Cuv. fy Val. xii. p. 240; Giinth. Fish. iii. p. 111. 
Mozambique. Madagascar. 
248. Eleotris butis. [363.] 
Cheilodipterus butis, Buck. Ham. pp. 57, 367 ; Gray <y Hardw. III. Ind. Zool. ii. pi. 93. f. 3. 
Eleotris humeralis, Cuv. Val. xii. p. 246. 
— butis, Cant. Mai. Fish. p. 196; Giinth. Fish. iii. p. 116. 
The only difference between the African and Indian specimens is, that the scales of 
the former have the appearance of being slightly carinated. 
Fresh water of Johanna. Salt water of Mozambique. East Indies. East-Indian 
archipelago. 
249. Eleotris wardii, sp. n. Plate IX. fig. 3. [689.] 
D. 6 | Y 2 A. L. lat. ca. 95. 
This species is allied to E. periophthalmus and to E. muralis. Head naked ; the 
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