100 
J. HOPKIXSOX-LIST OF WORKS 
286. [Hopkixsox, J.] Field Meeting .... Aldbury and 
Ashridge Park. Trans. Herts Nat. Hist. Soc., vol. ix, pt. 7, 
pp. xxx-xxxi. 
287. [Hopkixsox, J.] Field Meeting .... Hitchin. Ib., 
pp. xxxv-xxxvi. 
288. [Hopkixsox, J.] Field Meeting .... The Yalley of the 
Bourne, Boxmoor. Trans. Herts Nat. Hist. Soc., vol. ix, pt. 8, 
pp. lxv-lxvii. (Remarks hy W. Whitaker, p. lxvi.) 
289. [Hopkixsox, J.] Field Meeting .... Sopwell, St. 
Albans. Ib., pp. lxxi-lxxiii. (Remarks by W. Whitaker, 
pp. lxxii-lxxiii.) 
290. Hopkixsox, J., and A. E. Salter. Excursion to Ayot Green 
and Hatfield Hyde. Proc. Geol. Assoc., vol. xv, pt. 8, pp. 308-310. 
291. Irvixg, Dr. A. On the Geology of the Stort Yalley . . . . 
with special reference to the Plateau Gravels. Proc. Geol. Assoc., 
vol. xv, pt. 6, pp.. 224-237. (Well-section at Bishop’s Stortford, 
pp. 224-225 ; “Herts Puddingstone,” pp. 236-237.) . 
292. Prestwich, Sir J. Memoranda chiefly on the Drift Deposits 
in various parts of England and Wales: . . . . Ed. by H. B. 
Woodward. Geol. Hag., dec. iv, vol. v, no. 9, pp. 407-417. 
(Herts, pp. 408, 409.) 
293. Salter, A. E. Pebbly and other Gravels in Southern 
England. Proc. Geol. Assoc., vol. xv, pt. 7, pp. 264-285. (Herts, 
p. 274.) 
294. Shrtjbsole, O. A. On some High-level Gravels in Berkshire 
and Oxfordshire. Quart. Journ. Geol. Soc.,y ol. liv, pt. 4, pp. 585-600, 
pi. xxviii. (Herts, pp. 587, 589.) 
295. Whitaker, W. Anniversary Address—Chalk Water in 
Hertfordshire. Trans. Herts Nat. Hist. Soc., vol. x, pt. 1, pp. 1-13. 
296. Whitaker, W. [and others]. Sheet 46 S.E. of the Map 
of the Geological Survey. Scale 1 inch to a mile. Drift edition. 
Dated 1898, issued in 1899. (Stevenage, Welwyn, Redbourn, etc.) 
1899. 
297. Blake, Rev. J. F. Excursion to Bushey and Harrow 
Weald. Proc. Geol. Assoc., vol. xvi, pt. 2, pp. 243-244. 
298. Hopkixsox, J. The Chadwell Spring and the Hertfordshire 
Bourne. Trans. Herts Nat. Hist. Soc.,- vol. x, pt. 3, pp. 69-83, pi. i. 
299. Hopkixsox, J. Excursion to Rickmansworth and Harefield. 
Proc. Geol. Assoc., vol. xvi, pt. 5, pp. 244-246. 
300. Moxcktox, H. W. On a Section in the Westleton Beds 
at Ayot Brickfield. Geol. Hag., dec. iv, vol. vi, no. 2, pp. 59-60. 
301. Richards, H. C., and W. H. C. Payxe. London Water 
Supply. 2nd ed. 8vo. London. (Geology of Herts, pp. 136-137, 
140, 146, 148-151.) 
302. Sisley, R. The London Water Supply: . . . . 4to. 
London. (Chadwell Spring, p. 30 ; wells in Lea valley, pp. 42-44.) 
303. Whitaker, W. Anniversary Address—Geological and other 
Work in Hertfordshire. Trans. Herts Nat. Hist. Soc., vol. x, pt. 4, 
pp. 105-118. 
