July 6. 



Price 12s, 



THE JOUENAL 



OF 



THE LINNEAN SOCIETY. 



Vol. XXX. 



ZOOLOGY. 



No. 199. 



CONTENTS. 



Pao-e 



I. On a new Species of Symphyla from the Himalayas. By A. D. 

 Imms, B.A., D.Sc, Professor of Biology, Muir College, 

 University of Allahabad. (Communicated by A. E. Shipley^ 

 M.A., F.R.S., F.L.S.) (Plate 31) 252 



II. Mimicry in Spiders. By R. I. Pocock, F.L.S., F.Z.S., Super- 

 intendent of the Zoological Society's Gardens. (Plate 32) ... 256 



III. Observations on the (Economy of the Ichneumon manifesfMor, 



Marsham (nee Linn.). An Historical Note. By Claude 

 MoKLEY, F.E.S. (Communicated by E. A. Cockayne, F.L.S.) 

 (With text-figure) 271 



IV. The Polyzoa of Madeira and neighbouring Islands. B3; Canon A. 



M. Norman, M.A., D.C.L., LL.D., F.R.S., F.L.S. (Plates 

 33-42) 275 



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