460 REPORTS ON THE STATE OP SCIENCE. — 1919. 



Wallis, E. F. The Breeze Fly or Clegg. ' Journal Northants N. H. See' xix. 155- 



169. 1918. 

 Watkins, Rev. S. Cornish. Bramblings in North Herefordshire. ' Trans. Wool- 

 hope N. F. C 1914-1917, 57-58. 1918. 

 Report on Ornithology, Entomology, and Mammalogy, 1917. ' Trans. Woolhope 



N. F. C 1914-1917, 282-285. 1918. 

 Webster, G. V. The Flight of Birds. ' Hastings and East Sussex Naturalist,' iii. 



47-63. 1918. 

 West, Prof. G. S. A further Contribution to our Knowledge of the Two African 



Species of Volvox. ' Journal Quekett Mic. Club,' xiii. 425-428. 1918. 

 West, Leonard. Presidential Address : Some Aquatic Insects. ' Proc. Lancashire 



and Cheshire Ent. Soc' 1917, 38-68. 1918. 

 Wheeler, Rev. G. The Variation of Epinephele Nthonus, L. ' Proc. South London 



Ent. N. H. Soc' 1918-19, 29-35. 1919. 

 WiGLESwoRTH, Dr. J. The Little Owl {Athene noctua) in Somerset. 'Proc. 



Somersetshire N. H. A. Soc' lxiii. 152-161, 1918. 

 The Heronries of Somerset. ' Proc. Somersetshire N. H. A. Soc' Lxrv. 68-85. 



1919. 

 Wood, J. H. Two Additions to the Herefordshire Lepidoptera. ' Trans. Woolhope 



N. F. C 1914-1917, 20-21. 1918. 

 Yermolofe, Sir Nicholas. Notes on some Intermediate Forms of the Genera 



Navicula and Cymbella. ' Journ. Quekett Mic. CluT)," xiii. 407-424, 1918. 



Section E. — Geography. 



SoMERVAiL, James A. Presidential Address : The Disused Beds of Border Rivers. 

 ' History Berwickshire Nat. Club,' xxm. 415-420. 1919. 



Section F. — Economic Science and Statistics. 



Bell, Sir Hugh. On the Rights and Responsibilities of Capital. ' Trans. Man- 

 chester Stat. Soc' 1917-18, 131-150. 1918. 

 Cadman, Prof. Sir John. (N. Staffs. Inst. Min. Eng.) Presidential Address. [The 



Position and Prospects of the Coal-Mining Industry.] ' Trans. Inst. Min. Eng.' 



lvi. 37-44. 1918. 

 Daniels, G. W. The Cotton Trade at the Close of the Napoleonic War. ' Trans. 



Manchester Stat. Soc' 1917-18, 1-30. 1918. 

 Hill, Sir Norman. The British Mercantile Marine in its relation in the past to the 



State. ' Trans. Manchester Stat. Soc' 1917-18, 107-130. 1918. 

 McLaren, Robert (Min. Inst. Scotland). Presidential Address : The Industrial 



Unrest of the Present Day. ' Trans. Inst. Min. Eng.' lvii. 70-73. 1919. 

 MiLLiN, S. Shannon. Our Society : Its Aims and Achievements (1847-1919). 



' Journal Stat. Soc. Ireland.' 7-22. 1919. 

 Nathan, Eric B. Lancashire Vital Statistics as disclosed by the 1911 Census. 



' Trans. Manchester Stat. Soc' 1917-18, 81-106. 1918. 

 Orchard, A. J. A. (Manchester Geol. Min. Soc.) Presidential Address. [The 



ESect of War Conditions on the Working of Collieries.] ' Trans. Inst. Min. 



Eng.' Lvi. 169, 173. 1919. 

 PococK, Very Rev. Mons. Certain Influences affecting the National Rate of 



Population. ' Trans. Manchester Stat. Soc' 1917-1918, 31-58. 1918. 

 Robinson, Mrs. Annot. The Substituted Labour of Women, 1914-1917. ' Trans. 



Manchester Stat. Soc' 1917-18, 61-79. 1918. 



Section G. — Engineering. 



Charlton, William (S. Staff, and War. Inst. Eng.). Presidential Address : [The 

 Question of Output.] ' Trans. Inst. Min. Eng.' lvi. 13-23. 1918. 



Cheung, W. P. (N. England Inst. Eng.). Coal-cutting by Electricity and Timbering 

 at Cannock Chase Colliery. ' Trans. Inst. Min. Eng.' lvii. 101-103. 1919. 



