IMPORTANT NOTICE. 



From this date the First Series of this Magazine (1834—1889) can 

 be obtained only in complete Volumes, bound or unbound. 



A limited number of sets, fro.-n Vol. x to Vol. xxv inclusive, are 

 offered at the reduced price of £2 15s. per set net (in parts), or of five 

 consecutive Vols, at £1 per set net (if b^und, h. per Vol. extra). 



Owing to inequality in stock, certain of the Vols, i to ix can be had 

 separately at 10s. each. 



The Editors will pay 2s. each for clean copies of Nos. 7, 9, 20, 

 and 21 of the First Series. 



Apply to the Publishers. 



Maj/ 29a, 1893. 



Complete in one thick volume, royal 8vo, with 59 plates engraved on copper 

 from the author's drawings : 



\ m:onogra.ph:ic revision^ and synopsis op the 



"^ TRICHOPTERA OF THE EUROPEAN FAUNA. By Robert McLachlan, 

 F.R.S., F.L.S., &o. Price, £3 10s. 



First Additional Supplement (with 7 plates), Price, 83. 



London : Gurniey & Jacksox, 10, Paternoster Row, E.G. 



Berlin r Friedlandkr und Sohn, 11, Carlstrasse. 



Scale of Charges for Advertisements. 



Whole Page £2. Half Page .fil Is. Quarter Page 12s. 6d. 



liOVT-est charge, 3s. 6d. up to 5 lines; 6d. per line afterwards. 

 Repeated or continuous Advertisements per contract. 

 There is no charge for Lists of Duplicates and Desiderata. 



"NATURE," 



A WEEKLY ILLUSTRA.TSD JOURNAL OF SCIEiJCfi. PRICE sa. 



*' Nature " contains Orifjinal Articles on all subjects coming within the domain of 

 Science, oontribufced by the most eminent aciontific writors of the day. It also 

 contains Reviews of all recent scientific works ; Gorredpondenoe Columns, which 

 form a medium of scientific discussion and of intercommunication amon^ men of 

 Science ; Accounts of the leading Scientific Serials ; Abstracts of the more 

 iraluable papers which appear in foreign journals ; Reports of the Proceedings of 

 the Principal Scientific Sooiefcios and Academies of the World ; an i Notes on all 

 matters of current scientific interest. 



SUBSCRIPTIONS TO "NATURE." 



£ *. d. 



STearly 18 



H.«ilf- yearly 14 6 



Quarterly 7 6 



f To alL placet Abroad). £ s. d. 



Yearly 1 10 



Half- Yearly 15 6 



Quarterly 8 



Oloaey Orders to be made payable to MiAOAIIIiLAi^f and CO., Ltd. 

 Oflloe: St. M:artin'g Strait, Iiondoa, ^V.C. 



