CuAP. vri. VANDEai. ' 226 



pared with the great vertebfate class of Fish, or still 

 more appropriately with tropical Homopterous insects, 

 which appear to us as if they had been modelled 

 in the wUdest caprice, but this no doubt is due to 

 our ignorance of their requirements and conditions 

 of life. 



11 



