X ADVERTISEMENT. 



The Economical and Commercial uses and ad- 

 vantages arising from our Fisheries, have also been 

 dwelt upon, as far as was consistent with a Work 

 like this, while the structure and frinctions of the 

 finny race form an important feature in the volume. 



We have much pleasure in annoimcing, that the 

 talents of Mr. R. Schomhurgk have been enlisted 

 for the Ichthyological department, and we hope, 

 very soon, to be enabled to lay before the Public a 

 volume written by this enterprising Traveller and 

 Naturalist. Mr. Schomhurgk has spent twelve 

 years in exploring British Guiana, connecting his 

 geographical discoveries with those of the illustrious 

 Humboldt; and the subject of the volume which 

 we have now in vieAv will be the History and De- 

 sctiptions of the Fishes of the Essequibo and the 

 Rivers of British Guiana. The drawings of the 

 various species have been all made and coloured by 

 the author on the spot, and from the fishes newly 

 caught, and will illustrate many new and remark- 

 able species. The rich and romantic scenery of 

 the rivers will be introduced as accessories to the 

 figures, also from sketches by the author ; and the 

 modes of fishing employed by the native Indians, 

 together wdth the tackle employed for the purpose, 

 will be given as additional illustrations. 



Upon taking a cursory view of our labom'S since 



