\ to6 3 



arrd the aperture in the univalves, iFurriifli the ge* 

 neric note. 



In the LiTHOPHYTA, the inhabitant animal, and 

 the form of the coral itfelf : and in the Zoophyta, 

 the animal, and the very different forms Of the 

 fabrifications, lay a foundation for the generic 

 notes. 



After having thus exhibited a view of the 

 Gaffes^ it remains that we give a general account 

 of the method purfued in treating on each fpecies. 

 To this end it muft be obferved, that throughout 

 the whole fyftenty the claffical character, that of 

 the order^ and the generical note, always make a 

 part in the defcription of each /pedes. After 

 -thefe, our author begins with his own fpecific 

 name for the animal, eftabliflied upon the moft 

 eflential difference obfervable between that and 

 every other fpecies of the genus \ and here it muft 

 be allowed, that he has, in general, happily fuc- 

 ceeded, by giving, in the fpace of two or three 

 lines, a dillin<5lion that rhore immediately points 

 out the animal fought for, than the long and la- 

 boured defcriptions of many foregoing authors. 

 If the fpecific name is the fame that is adopted 

 in any of his former writings, he refers to it. 

 He has, however, in many parts of this enlarged 

 edition, formed new names to animals notited in 

 the former edition, and in the Fauna Suecica, 

 "Where indeed the efTential or fpecific diftindticn 

 is the point in view, this muft frequently be the 

 cafe, fo long as new fpecies continue to come in 5 

 for, as the eftential charafter of each fpecies refults 



from 



