186S.] MR. F. DAY ON NEW INDIAN FISHES. 153 



total length. Height of head I, of body |, of first dorsal g, of 

 second dorsal -I, of anal ^, of ventral i of the total length. 



Eyes directed upwards and slightly outwards, diameter | of 

 length of head, nearly 1 diameter from end of snout, and less than 

 I of a diameter apart. 



Body somewhat compressed. Head as broad as high. 



The posterior extremity of the maxilla extends to beneath the 

 anterior third of the orbit. Cheeks somewhat swollen. Horizontal 

 margin of prseoperculum rather longer than the vertical. 



Teeth in fine villiform rows in both jaws, and having in the lower 

 jaw an external recurved series, the outer one of which on either 

 side is nearly as large again as the others, and curved outwards and 

 slightly backwards ; it is situated nearer to the angle of the mouth 

 than the centre of the jaw. 



Fins. First dorsal spines flexible, prolonged, and in the adult a 

 long filamentous termination to the second spine, which, however, 

 is not elongated in the young. Pectoral somewhat pointed, none 

 of its rays silk-like. Ventral reaches to the commencement of the 

 anal. Caudal somewhat pointed. 



Scales finely ctenoid, with striae converging posteriorly. Seven 

 horizontal rows between the bases of the second dorsal and anal 

 anteriorly, and nine between the end of the dorsal and the base 

 of the caudal. 



Colours. In the adult pale ochreous, becoming of a dirty-white 

 colour on the abdomen. Upper surface of head, cheeks, and 

 superior two-thirds of the body covered with various-sized rusty- 

 brown dots of irregular shapes, and which form oblique vertical 

 bands on the cheeks and opercles. Pectoral and ventral unspotted, 

 but with a deep greyish edge. First dorsal with a deep-black 

 mark between the first and fifth spine at about half the height of 

 the fin, which above is of a canary-yellow colour, and the ends of 

 the spines black ; between the fourth spine and the end of the 

 fin are deep-brown spots. Second dorsal edged externally with 

 brown, and having a yellow band with a black base dividing it from 

 the lower | of the fin, which is spotted with light brown. Anal 

 yellow, edged with black in its external lialf. Caudal barred with 

 eight or nine rows of chestnut spots. 



In the young the dorsal fins are spotted with brown, and the 

 black mark in the first dorsal does not generally show itself until 

 the fish is above 2 inches long. Pectoral, ventral, and anal yellow, 

 without any markings. 



This very pretty little Goby, which I have named after my friend 

 A. C. B. Neill, Esq., F.Z.S., is not uncommon in the backwaters and 

 along the sea-shore. 



The G. neilli is allied to the G. crini(/er, C. & V., from which it 

 differs in several points, amongst which are that in the former the 

 neck is scaled f of the distance between the base of the first dorsal 

 and the orbits, whilst in the G. criniger this part is scaleless. 



In the G. neilli there is an external enlarged row of teeth in the 

 lower jaw, the external of which is much larger than the others, and 



