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IV CONTENTS. 



PAGE 



Two newly-discovered Whin-dykes on the Coast of Northumber- 

 land. By J. A. Smythe, Ph.D., D.Sc 330 



Report of Field Meetings, 191 1. By Richard S. Bagnall, 



F.E.S., F.L.S 344 



Report of Field Meetings, 191*2. By the Rev. J. M. Hick, M.A. 366 



Terrestrial Acari of the Tyne Province. By the Rev. J. E. Hull, 



M.A. (Plate XVII.) 381 



Index to Volume IV. New Series ... ... ... ... ... 410 



LIST OF PLATES, Vol. IV. (New Series). 



Plate illustrating Mr. Bagnall's paper on New British Symphyla, p. 40 

 (description, p. 41) : 

 Plate I. Figures showing structural details of ten species of British 

 Symphyla. 

 Plate illustrating the Rev. J. E. Hull's paper on New and Rare British 

 Spiders, p. 58 : 

 Plate II. Figures showing structural details of eight species of 

 Spiders. 

 Plates illustrating Mr. Trechmann's paper on Neolithic Chipping- sites, 

 p 84 (descriptions, pp. 83-85) : 

 Plate III. Neolithic implements ; Teesdale, Weardale, Allendale. 

 Plate IV. Neolithic implements ; Blackton-in-Teesdale. 

 Plate V. Neolithic implements ; Horden. 



Plate VI. Neolithic implements ; Coast of Durham and North- 

 umberland. 

 Plates illustrating Dr. Jackson's paper on British Micronetoid Spiders, 

 pp. 141, 142 : 

 Plate VII. Figures showing stuctural details of eight species of 



Spiders. 

 Plate VIII. Figures showing structural details of six species of 

 Spiders. 

 Plates illustrating Dr. Verhceff s paper on Brachychseteuma, Titanosoma 

 and Polymicrodon in England, p. 166 (description, p. 167) : 

 Plate IX. Brachychtzteuma bagnalli. 



Plate X. BrachychcEteuma bagnalli and Polymicrodon latzeli. 

 Plate illustrating Dr. Brady's paper on Diaptomus Sancti Patricii, p. 170 : 



Plate XI. Diaptomus Sancti Patricii. 

 Plates illustrating the Rev. S. Graham Birks' paper on Megalichthys, 

 p. 326. 



