Contributions have been made or 

 W. H. ASHMEAD ... 



G. H. Carpenter ... 



Prof. FiLIPPO SiLVESTRI . 



F. E. Beddard, F.R.S. , 



M. A. DOLLFUS 



Prof. AUGUSTE FOREL 



p. H. Grimshaw, F.E.S. 



G. W. KiRKALDY, F.E.S. 



E. Meyrick, F.Z.S. 

 Hugh Scott, B.A. 



R. C. L. Perkins, D.Sc. 



D. Sharp, F.R.S 



A. E. Shipley, M.A. 



M. EuG. Simon 



The Rev. T. R. R. Stebbing, F.R.S. 



E. R. Sykes, F.Z.S. 

 The Lord Walsingham, F.R.S. 

 R. S. Bagnall 



promised by the following, viz. 



Hymenopteva Parasitica. 



Colleinbola. 



Tkysanura and Myriopoda. 



Earthworms. 



Isopod Crustacea. 



Forinicidae. 



Diptera. 



Heniiptera. 



Macrolepidoptera. 



Part of Coleoptera. 



' Vertebrata, Hyiuenoptera Aculeata, 

 Orthoptera, Nenroptera, and part of 

 Coleoptera. 



Part of Coleoptera. 



Parasitic Worms. 



Arachnida. 



AmpJiipod Crustacea. 



Mollitsca. 



Microlepidoptera . 



Thysanoptera. 



N.B. The parts of the three Volumes are being published concurrently in order 

 to expedite the completion of the work. 



The price of each part will vary according to its extent and the number of Plates. 

 Subscribers to the whole work will be charged half-price for each part. The parts will 

 be sent, as published, to each subscriber who has paid for the preceding part. 



Orders should be sent to Mr C. F. Clay, Manager, Cambridge University Press, 

 Fetter Lane, London, E.C., either direct or through any bookseller. Payments for each 

 part should also be made to Mr C. F. Clay. 



The work will now be completed by an Introductory part, and by an Index, to all 

 the Volumes, for each Volume. 



November, 1 9 1 o. 



