I Oli TBLBOSTEI. AOANTIIOI'TKIIYUI I. 



prolonged amongst (ho caudal muscles ; it adheres (o ilio vertcbno 

 I'roin I ho third to tlio seventh, whilst from either side toward* tho 

 ventral surface it has from ^8 to 3f> appendages, lateral line, 

 continued along tho lower caudal lobo almost to its end. Vortical 

 lins rather densely scaled. Ootour back purplish black, abdomen 

 silvery white dashed with gold. First uud second dorsals and 

 anal stained with black, as is likewise tho lower half of tho operole. 

 Ctudal with manv black points. 



Jlah. SWIM of 'India to the Malay Archipelago and Australia. 

 This species attains 4 foot in length, but is rarely above L J <Hbs. 

 weight.. A largo lish yields about "2 o/.. of rough isinglass. The 

 largest, specimens appear to be captured in tho embouchures of 

 large rivers ; they take a bait freely. 



857. (7.) Polynemus plebeius. 



1'olyntMnus pU'hciiis, /iro-nsitoni't, lc/i. fasc. i, t. viii ; Dity, Fish. India, 

 p. 175) (soo synon.). 



J).S|1/13. P.17 + V. A. 2-3/H. L.I. 00-65. L. tr. 7-8/13. 



Length of head P., height of body " in the total length. />* 

 diameter M , j \o -\\ in length ol' head, .\ to .J diam. I'roin end of 

 snout, and I to l.j apart. Interorbital space rather convex. The 

 maxilla reaches to about 1 diameter behind tho posterior edge of 

 the eye. Anglo of preoporde rounded and produced; its vertical 

 margin rather coarsely serrated and most so above the angle. Fins 

 third dorsal spine with a rather filamentous prolongation, and 

 three fourths the height of body. Second dorsal rather higher 

 anteriorly than the first or than the anal, its upper edge deeply 

 concave. Pectoral rays unbranchod, of its live free rays the supe- 

 rior reaches rather beyond the ventral. First spine of anal mimito 

 or wanting; lower edge of fin deeply concave. Caudal \\ilb 

 pointed lobes. Air-bladder elongate, narrow, and simple. Yortieal 

 lins rather densely sealed. Lateral line continued along the lo\\er 

 lobe ol' I he eniuhl lin to (he end of its seeoml or third rays In-low 

 its centre. Colour- golden, having a UTC\ isb tinge along 'the back 

 and darkish lines jilting each row of scales; anal lin dashed \\illi 

 grey, ventral white and externally greyish; both dorsals, the 

 caudal, and pectoral grey-edged. 



///>. This species is exceedingly common in the seas and estu- 

 aries of India. I ha.\e captured females full of roe as early as 

 March. Il is found from Sind through the seas of India to'the 

 -Malay Archipelago and beyond. 



858. (8.) Polynemus tetradactylus. 



IVI.Minmis tftnuluctyliis, .SV/.nr, /,./. v, p. |,V>; /),///, /'/*/,. India, 

 p. ISO (sec SMI, , n.)'. 



/,', : -,/s :,/,/,:,/(/. Munuhi; Maya-jcllee, Tol. ; l\>lit>i-ka/<i,'l\im.; To-bro- 

 ilnii, Aiidain. ; Lakica, AITIUMU. 



D.8 | 1/13-15. P.17-|-iv. A. 2-3/16-17. L.I. 75-85. L.tr.s I l. 

 l.eii!-,th of head -">, height of body f> to (i in the total length. 



