28a 



G. 



Gade, course of river, 1, 3, 4. 



Gall & Inglis' map of Herts, 1885 (c), 



119. 

 Gallinago celestis nests in Herts, 59. 

 Gelechia diffinis new to Herts, 199. 

 Geology of Aldbury, xxvii, Ivii ; of 



Ayot Green and Hatfield, xxnii ; of 



Croxley, xxx, lii ; of Bushey, 1 ; of 



Ivinghoe, Ivii, 

 GiBBs, A. E. : Notes on Lepidoptera 



observed in Hertfordshire in the year 



1905, xi, .5-9 ; ... in the year 



1906, xliii, 199-204 ; Albino Moles 

 in Hertfordshire, xix, 14. 



GiBKs, A. E., and P. J. Bauraxjd : 



A Preliminary List of Hertfordshire 



Diptera, xliii, 249-276. 

 Gibson's map of Herts, 1779, 139. 

 Gilston Park, Harlow, rainfall at, in 



1905, 40 ; in 1906, 230. 

 GiMiNGHAM, C. T. : Coleoptera new 



to the Hertfordshire Fauna, xi, 10. 

 Gnarling causing witches' brooms, 67. 

 GnathocHs rotnndatus new to Herts, 



10. 

 Gobions, earthquake of March 19, 



1750, felt at, 147. 

 Godwit, black-tailed, at Tring, 61. 

 Goldfinch increasing in Herts, 56. 

 GooDALL, J., finds Leach's fork-tailed 



petrel in Cassiobury Park, 49. 

 GooDSON, A. T., on Herts Lepidoptera, 



5, 7, 202. 

 Gorhambury, St. Albans, rainfall at, 



in 1905, 40; in 1906, 230. 

 Graveson, W., on a curious nesting- 

 place ; on Herts birds, 213, 216. 

 Gray's map of Herts, 1824, 208. 

 Grebe, great crested, nests at Elstree, 



217. 

 Grey-hen new to Herts, 205. 

 Grouse, black, new to Herts, 205. 

 Gulls visiting Herts, 217. 



H. 



Hadham, Much, rainfall at, in 1905, 



40; in 1906, 230. 

 Haileybury, Hertford, rainfall at, in 



1905, 40; in 1906, 230. 

 Hall, A. D., receives the Society at 



Rothamsted, xxxii. 

 Hall, H. W., on history of Sandridge 



Church, Iv. 

 Hamels Park, Buntingford, rainfall at, 



in 1905, 40 ; in 1906, 230. 

 Hamilton's map of Herts, 1868, 103. 

 Handel's organ seen at Whitchurch, 



Harefield, phenological observations at, 

 in 1905, 84 ; in 1906, 244. 



Harpenden, rainfall at, in 1905, 40 ; 

 in 1906, 230 ; phenological observa- 

 tions at, in 1905, 84 ; in 1906, 244. 



Harrisox, W. J., on county photo- 

 graphic surveys, xlviii. 



Harrison's map of Herts, 1883, 115. 



Hartert, E., on Herts birds, 56, 57, 

 58, 61, 208, 213; on supposed 

 luminosity of the heron, 213. 



Harting, J. E. (quoted), on the 

 black grouse, 206. 



Hatfield, rainfall at, in 1905, 40 ; in 

 1906, 230; visited, xxx; pheno- 

 logical observations at, in 1905, 

 84 ; in 1906, 244 ; earthquake of 

 March 19, 1750, felt near, 147. 



Hatfield St. Mary's, rainfall at, in 

 1905, 40 ; in 1906, 230. 



Hawfinch, large flock of, 211. 



Hawthorn, witches' brooms on, 69. 



Hazel, witches' brooms on, 76. 



Headley, F. W., on Herts birds, 207, 

 208, 209, 211, 212, 213. 



Herael Hempstead, rainfall at, in 1905, 

 40 ; in 1906, 230 ; earthquake of 

 Oct. 6, 1863, felt at, 150. 



Heron, its supposed luminosity, 212. 



Hertford, rainfall at, in 1905, 40 ; in 

 1906, 230 ; phenological observa- 

 tions at, in 1905, 84 ; in 1906, 244 ; 

 earthquake of Feb. 19, 1750, felt at, 

 145, 146 ; of March 19, 1750, felt 

 at, 146, 147 ; of Jan. 20, 1886, 

 perceived at, 151. 



Hertfordshire, its river-system, 1 ; 

 Lepidoptera, in 1905, 5 ; in 1906, 

 199; Coleoptera, 10; albino moles 

 in, 14 ; weather, in 1905, 33 ; in 

 1906, 221 ; birds, in 1905, 49 ; in 

 1906, 205 ; phenological phenomcn:i, 

 in 1905, 81 ; in 1906, 241 ; maps, 

 1842-1900, 89; earthquakes, 141; 

 Diptera, 249. 



Hertfordshire Countv Ccmucil's map of 

 Herts, 1894, 128.' 



Hertfordshire Quarter Sessions' map of 

 Herts, 1872, 105 ; 1887, 121 ; 1888, 

 123. 



Hertingfordbury, earthquake of March 

 19, 1750, felt at, 147. 



Heywood's map of Herts, 1868, 103. 



High Down, Hitcliin, rainfall at, in 

 1905, 40 ; in 1906, 230. 



HiLi,, D., on nesting ot house-sparrow, 

 55. 



Hill End, St. Albans, rainfall at, in 

 1905, 40 ; in 1906, 230. 



Hillside, Buntingford, rainfall at, in 

 1905, 40, 



