Collembola and Thjsanura of the Edinburgh District. 221 



XVII T. The Collembola and Thysanura of the Edinhurgh 

 District. By George H. Carpenter, B.Sc, F.E.S., 

 and William Evans, F.R.S.E. [Plates V., VI., VII., 

 VIII.] 



(Read 15th February and 19th April 1899.) 



[Preliminary Note hy W. Evans. — As many of tlie Fellows 

 of the Royal Physical Society are probably aware, I have 

 long had an ardent desire to see the fauna of the picturesque 

 country in the midst of which our romantic city stands 

 thoroughly investigated, and have already laid before the 

 Society several papers as contributions towards that end. 

 That which I now have the honour to submit deals with 

 a group of small and much-neglected, but nevertheless 

 highly interesting, and, under the lens, often truly beautiful 

 creatures, concerning which I have learned much in the 

 course of the past three years — thanks once more to my 

 friend Mr Carpenter of the Dublin .^luseum, through whose 

 hands (as in the case of the Spiders and Phalangids) all 

 my specimens have passed. But for the constant stimulus 

 provided by his hearty co-operation in the identification of 

 the specimens, the material on which the subjoined List is 

 based would in all probability never have been collected 

 by me. From other quarters, also, help and encouragement 

 in a variety of ways have not been wanting, and are grate- 

 fully remembered : especially pleasant is the memory which 

 my correspondence with Prof. Pteuter of Helsingfors, Dr 

 Schaffer of Hamburg, and Dr Schott of Upsala, leaves 

 behind. 



In the case of such minute animals as a large proportion 

 of the Spring-tails are, anything entitled to be regarded as an 

 exhaustive catalogue for the district could, of course, only be 

 drawn up after many years of special and continuous research. 

 I am well aware, therefore, that the present paper, founded 

 as it is mainly on material collected during little more than 

 three years, and then, as a rule, only when I was in search 

 of other things, must partake more or less of the nature of a 

 preliminary list, certain to be very considerably extended as 

 time goes on. ^Meantime it will at any rate serve as a 



