124 GOBIID.E. 



on the head are minute, leaving the snout and the lower part of the 

 cheek naked. Scales ciliated. The height of the bodj is contained 

 five times and two-thirds in the total length, the length of the head 

 three times and a half. The eye occupies the third eiglith of tlie 

 length of the head, and its horizontal diameter is one-half the width 

 of the interorbital space. Snout depressed, flat, of moderate length, 

 with the lower jaw prominent. Teeth in villiform bands. The 

 maxillary extends to below the middle of the eye. Yellowish, 

 largely marbled with brown ; brown sti-ipes along the series of scales. 

 Caudal brown, with Hghter spots. 



Rivers of Siam, Bandjermassing (Borneo), and of Palembang 

 (Sumatra) . 



a. Fine specimen : three and a half inches long. Siam. From 

 M. Mouliot's Collection. 



32. Eleotris guavina. 



Guavina, Parra, pi. 39. fig. 1. 



Eleotris guavina, Cuv. ^ Val. xii. p. 223. 



D.7|^. A.^L. L.lat.llO. 



Thirty series of scales between the origins of the second dorsal and 

 the anal fins. The scales on the upper surface of the head are small, 

 and advance nearly to the extremity of the snout, those on the sides 

 to below the middle of the orbit. Scales cycloid. The height of the 

 body is one-sixth of the total length, the length of the head one- 

 fourth. The eye occupies the third eighth of the length of the head, 

 and its diameter is one-third of the width of the interorbital space. 

 The maxillary extends to the vertical from the centre of the eye ; 

 teeth villiform, in broad bands. The second dorsal fin reaches to 

 the caudal, if laid backwards. Blackish-brown ; fins black. 



Fresh waters of Cuba, Martinique, Suiinam, and Demerara. 



a. Adult. South America. Purchased of Mr. Brandt. 



b. Adult. Demerara. Presented by Dr. Hancock. 



33. Eleotris canina. 



Bleek. Verhand. Batav. Genootsch. xxii., Bletm. en Gob. p. 20. 

 B. 6. D. 6 I ^. A. |. L. lat. 70-80. 



Two canine teeth in the upper jaw, and four in the lower. The 

 height of the body is one-sixth of the total length, the length of the 

 head one-fourth. The eyes occupy the second fifth of the length of 

 the head, and are distant from each other. Green. {Bl.) 



Western coast of Madura ; Java. 



34. Eleotris periophthalmus. 



Eleotris periophtliahiuis, Bleeker, Batavla, p. 477. 

 Eleotriodes periophthalmus, Bleeker, Goram, p. 212. 



D. 6|1. A. 3^. L. lat. 78. 



Head naked. The height of the body is one-eighth of the total 



