Xll PREFACE. 



would, we should say, well repay patient investigation. 

 In other branches of Natural History, outside our own 

 particular ones, such as Crustacea, Botany, etc., we are 

 given to understand there are several workers through 

 the islands, and had Messrs. Baikie and Heddle carried on 

 their proposed work, no doubt all these subjects would 

 have been included therein. In that case, from their 

 insular position, the fauna of Orkney, both vertebrate 

 and invertebrate, would have been very complete. It 

 would be well if others would take up the subject where 

 we here leave it, and add a second, and no less inter- 

 esting, volume. 



T. E. BUCKLEY. 



J. A. HAEVIE-BKOWK 



March 2, 1891. 



