INDEX. 



Acrngens, classification of, 208. 

 Address, 1S79, 1 ; Anniveisarv, 1 880, 



85; 1881, 173. 

 Agricultural influence of post-tertiary 



beds, 109. 

 Aldbury visited, xxxvi. 

 Algo-liclicn hypothesis, 166. 

 Amwba, 98. 



Analogy of plant-organs, 67. 

 Animal Kingdom, classification of, 205, 



211. 

 Animals which have become extinct in 



Britain, xi, 5. 

 Anniversary Address, 1880, 85 ; 1881, 



173. 

 Anniversary Meeting, 18S0, xviii; 1881, 



xlv. 

 Aphides, notes on, Ivii. 

 Arrangement of museums, 202. 

 Arthropoda, classification of, 213. 

 Ash basin, rainfall in, in 1879, 130; 



in 18S0, 225. 

 Ashridge Park visited, xxxvi. 

 Ash well, golden plover at, 71. 

 Asplanchna priodonia, 118. 

 Attfield, Prof. J., analysis of the water 



of the Bourne, Ix. 

 Axial structures, vegetative, 50 ; re- 

 productive, 59. 

 Aylesbui'y visited, xxxv. 



B. 



Baas Hill visited, Ixi. 



Balance sheet for 1879, xxiv ; for 1S80, 



li. 

 Balfour, F. M., on embryology of 



frog, 264. 

 Barkway, post-glacial beds at, 106. 

 Barnet, East, rainfall at, in 1879, 129 ; 



in 1880, 223. 

 Bayford, lower glacial beds at, 103 ; 



boulder-clay at, 106. 

 Bayfordbury. rainfall at, in 1879, 129 ; 



in 1860-69, 155; in 1870-79, 156; 



in 1880, 223. 



VOL. I. — PART IX. 



Bean basin, rainfall in, in 1879, 130 : 

 in 1S80, 225. 



Bear, former existence of, in Britain, 7. 



Beaver, former existence of, in Britain, 

 9. 



Beech Bottom, origin of, xxxii. 



Beetles, our British, 25. 



Bell, Prof.T., on museums, 196. 



Bengeo, ordinary meeting at, xliv. 



Berkhampstead, river Bourne near, 

 Iviii; rainfall at, in 1879, 129; in 

 1860-69, 155; in 1870-79, 156; in 

 1880, 223 ; flood at, 159. 



Berkhampstead, Little, lower glacial 

 beds at, 103 ; boulder-clay at, 106. 



Birds observed in 1879, 70 ; in 1880, 

 239, 272 ; phenological observations 

 of, in 1S79, 137; in 1880, 260, 

 262. 



Bittern in Herts, 240. 



Boar, wild, former existence of, in 

 Britain, 16. 



Botanical division of a museum, arrange- 

 ment of, 204. 



Botany, notes on, 143. 



Boulder-c!ay in Herts, 105. 



Boulders, bow to record, 164. 



Bourne, the Hertfordshire, Iviii. 



Boviiigdon visited, Ixi ; red-winged 

 starling at, 70. 



Bowerbank, Dr. J. S., on volition in 

 sponges, 102. 



Boxmoor, river Bourne near, Iviii ; 

 flood at, 160. 



Brachionus Bakeri (?), 118. 



Bracts, homology of, 55. 



Brf.tt, Dr. A. T. : remarks on the 

 British rat, xii ; on mole-heaps, 

 xvii ; Xoteson a Cutting in Hamper- 

 Mill Lane, Watford, xxxii ; Notes 

 on the Fluke in Sheep, xxxiii, 139- 

 142. 



Briekendon Grange visited, Ixi. 



Biickeiidon Green, lower glacial beds 

 at, 103. 



Bricket "Wood, boulder-clay at, 106. 



Bright's Hill Wood, lower glacial beds 

 at, 103. 



18 



