Preface to First Edition 3 7 



would allow of. It is, however, hoped that 

 little really essential matter has been omitted. 



It does not seem necessary to say much 

 with regard to the plan pursued, as the author 

 has followed the general method adopted in 

 most publications of the kind. A slight ex- 

 planation is perhaps due in reference to the 

 modified classification he has ventured to 

 propose, but as he intends, at no very distant 

 period, to publish a more complete exposition 

 of the principles according to which he 

 believes ALL natural objects ought to be 

 arranged, he does not deem it necessary at 

 present to go into further details than merely 

 to present the differential characters of the 

 various groups which possess representatives 

 in Shetland. . . . T. E. 



(This preface concluded with the usual ac- 

 knowledgments to friends who had assisted 

 with criticism and sympathy, etc.) 



