IQl6.] 



Fauna of the Chilka Lake : Fish. 



457 



1856. Ichthyocampus ponticerianus, id., ibid., p. 31. 



1865. Ichthyocampus ponticerianus, Day, Fish. Malabar, p. 263. 



1870. Ichthyocampus carce, Günther, Cat. Fish. Brit. Mus., VIII, p. 176. 



1878. Ichthyocampus carce, Day, Fish. Ind., p. 67g, pi. clxxiv, fig. 2. 



1889. Ichthyocampus carce, Day, Faun. Brit. Ind. Fish., II, p. 464. 



There are altogether fifteen specimens in the collection, of which nine are males 

 and six females. In all the female fish, on the inferior side of the rostrum, there are 

 two longitudinal series of black dots, one on each side of the middle line and running 

 parallel to it. The following list gives the distribution of the species in the lake. 



Female specimens. 



1 specimen 



T 



3 

 1 



Off Barkul 



Domkuda 



Off Samal Island 



Satpara 



25-1-14 . 



measuring r20 mm. 



I8-VÜ-I4 . 



TOO ,, 



22-1X-I3 . 



,, 100, no and 115 mm 





,, 100 mm. 



1 specimen 



Male specimens. 



Between Chiriya Island and mainland . . 28-VÜ-14 



Eight miles off Kalupara Ghat 

 Ten miles east of Patsahanipur 

 Patsahanipur 



Rambha Bay . . 



Satpara 



Chilka Lake 



i6-ix-i4 

 io-iii-14 

 8-1Ü-14 . 



22-VÜ-14 



measuring 95 mm. Poud" full of 

 fertilized eggs but 

 no free embryo. 

 ■ ,, 95 mm. Pouch empty. 



,, 130 mm. Pouch empty. 



,, 40 and 58 mm. Pouch 



not fully developed. 



,, 61 mm. Pouch not 



fully developed. 



,, 117 mm. Pouch full of 

 developing embryos. 



,, 95 and 120 mm. Pouch 



full of developing 

 eggs and a few free 

 embryos. 



Distribution:— Seas, estuaries and fresh waters of India and the Malay Archi- 

 pelago. 



Genus HIPPOCAMPUS, Rafinesque. 

 Hippocampus brachyrhynchus, Duncker. 

 (Text-figure 19.) 

 1914. Hippocampus brachyrhynchus, Duncker, Rec. Ind.Mus., X, p. 295. 

 The number of abdominal truncal rings (annuli) is eleven and that of the caudal 

 rings varies from thirty- three to thirty-seven. The number of rings below the dorsal 

 fin (annuli subdorsalis) is 2( — 3) + 1. The number of rays in the dorsal fin varies from 

 seventeen to nineteen and that in the pectoral fin from thirteen to fifteen. The number 

 of rays in the anal fin is four. The number of rings in the region of the brood pouch 

 varies from six to eight. 



