280 Dr. J. E. Gray on a new species of Wart Pig. 



carefully constructed near each end of the mass, the use of which 

 will be now explained. AU having been apparently arranged for 

 the female fish to spawn, and the operations of fanning out the 

 light particles, the improving their order, the dibbing in the ends, 

 the loading them with additional sand, and the consolidation of 

 them as described fully effected, and the whole reviewed carefully 

 for several days in succession, as it were awaiting the coming of the 

 female, on her appearance the following curious scene ensued. 

 The female fish came out of her hiding-place, her attention being 

 fixed apparently on the nest, when immediately the male became 

 as it were mad with delight ; he dai'ted round her in every direc- 

 tion, then to his accumulated materials, slightly adjusted them, 

 fanned them, and then back again in an instant ; this was repeated 

 several times ; as she did not advance to the nest, he endeavoured 

 to push her in that direction with his snout ; this not succeeding, 

 he took her by the tail and by the side spine and tried to pull 

 her to the spot, then back to the nest, and having examined the 

 two small openings alluded to, he thrust his nose in at the lower 

 and gradually drew himself under the whole of the materials, 

 making his exit at the opposite one, as though to prove to her that 

 everything was prepared for her spawning. These manoeuvres, 

 however, failed in their purpose; she examined the nest several 

 times j but the appearance of the minnows, &c. moving about on 

 the other side of the glass partition against which the nest had 

 been formed, I believe deterred her from depositing her eggs there, 

 and she afterwards spawned elsewhere. The nest which had cost so 

 much trouble was ultimately abandoned and neglected, and was 

 gradually dispersed by the snails. 



There are several other interesting particulars regarding the 

 habits of the several fish, &c., which I have had the opportunity 

 of experimenting with, and which may form the subject of some 

 future memoranda. I would merely remark in conclusion, that 

 I have after many difficulties and failures succeeded in keeping 

 sea-water perfectly clear for upwards of six months, and that I 

 have for the last five weeks had several sea-anemones living in it 

 which at present appear extremely healthy, and the water has 

 not been disturbed for the last fourteen days. My great dif- 

 ficulty in the midst of London has been to obtain materials to 

 work with. 



XXVII. — Desaiption of a new species of Wart Pig from the 

 Camaroons. By J. E. Gray, Ph.D., V.P.Z.S. 



The Zoological Society has recently received, from the Camarooi 

 lliver in West Africa, a new, and, for the family, a very bcautif\3 

 species of Pig, which appears to be undescribed. It belongs w\ 



