202 



THE PACAMAH OF GUIANA, 



Lopkius ? pacamah. ' 



PLATE XXVIII. 



The drawing approaches nearer to the form of Lo- 

 phiiis than any other, though we have no traces of 

 the long filaments on the anterior part of the head, 

 neither of a first dorsal fin. The drawing is of a 

 uniform olive, blotched with a darker shade ; the 

 pectoral fins represented disproportionally large. 

 The provincial or native name, by which it may be 

 again recognized, is that w^hich we have provisionally 

 applied as a specific title, " Pacamah." Perhaps it 

 may range with Batrarchus. 



"With the exception of the " Voyage dans I'Ame- 

 rique Meridionale" of D'Orbigny, w^here unfortu- 

 nately we have not yet the letter-press which is to 

 accompany the Plates, we have a greater number 

 of species noticed in the two volumes of Zoological 

 Researches by the Baron Humboldt than by any 

 other author ; many of them did not occur to our 

 traveller within the range which he took, and al- 

 though several of them are beyond the limits which 



