CAEP CULTUEE 79 



Sduction into America," says that the inflow of 

 water into the pond should never be allowed to 

 be direct ; as, for instance, a brook falling into 

 it. "This often causes the water to rise at an 

 inopportune time, carrying into the pond other 

 fishes, especially the rapacious pike. The carp 

 also has the disposition to swim towards the ia- 

 flowing water, by which means it is drawn away 

 from its proper feeding place." If this is cor- 

 rect, and from the investigation of Mr. Cole it 

 appears to be, then the inflow should be so ar- 

 ranged as not unduly to attract the fish to the 

 spot. 



Kinds of Carp. — There are three weH defined 

 species of introduced carp more or less common 

 in American waters ; namely the leather, mirror, 

 and scale carp. The leather carp is dis- 

 tinguished by its having no scales, or only a 

 few on its back, but, instead, a thick soft skin, 

 velvety to the touch. The mirror has three or 

 four rows of very large scales on its sides, the 

 rows being separated by a scaleless sMn, The 

 scale carp is completely covered with scales, and 

 is neither more nor less than a developed form 

 of the original species. All three are rapid 



