168 
J. HOPKINSON-LIST OF WORKS 
1878. 
87. Ansted, D. Water and Water-supply, chiefly in reference 
to the British Islands :—Surface Waters. 8vo. London. 
88. Clutterbuck, Rev. J. C. The Products of Hertfordshire. 
Trans. Watford Nat. Hist. Soc. vol ii, part 1, p. 41. 
89. Clutterbuck, R. The Coprolite Beds at Hinxworth. Ib. 
vol. i, part 9, p. 238. 
90. Fordham, H. G. Fifth Report of the Committee.for 
the purpose of recording .... the Erratic Blocks of England, 
Wales, and Ireland .... By the Rev. H. W. Crosskey. Rep. Brit. 
Assoc, for 1877. (Herts, by H. G. Eordham, pp. 84-85.) 
91. [Hopkinson, J.] Eield Meeting, 16th June, 1877. Hitchin. 
Trans. Watford Nat. Hist. Soc. vol. i, part 9, p. lxi. 
92. [Hopkinson, J.] Excursion to Hertford and Ware. Proc. 
Geol. Assoc, vol. v, Ho. 8, p. 519. Field Meeting, 16th June, 1878. 
Hertford and Ware. Trans. Watford Nat. Hist. Soc. vol. ii, part 
4, p. xxvi (1879). 
93. Lucas, J. Hydrogeological Survey. Sheet 2. Scale 1 inch 
to a mile. (Herts in H.W. corner.) 
94. Ltjcas, J. The Hydrogeology of Middlesex and part of 
Hertfordshire .... Trans. Inst. Surv. vol. x, part 12, p. 279. 
95. Penning, W. H. Section across the Chalk of Hertfordshire 
from three miles eastward of Ware, .... through the Tertiary 
outlier of Sacomb and Cutting Hill by Baldock .... (Sheet 121 
[cont. of sheet 120] of the Horizontal Sections of the Geological 
Survey.) 
96. Whitaker, W., W. H. Penning, W. H. Dalton, and F. J. 
Bennett. The Geology of the H.W. part of Essex and the H.E. 
part of Herts, with parts of Cambridge and Suffolk. (Explanation 
of Sheet 47 of the Map of the Geological Survey.) 8vo. London. 
1879. 
97. Barrow, J. On large and deep Bore-holes with the Diamond 
Drill. Trans. S. Wales Inst. Eng. vol. xi, Ho. 7, p. 315. (Ware, 
pp. 322-324, plates 50, 51.) 
98. Dawkins, Prof. W. B. On the Range of the Mammoth in 
Space and Time. Quart. Journ. Geol. Soc. vol. xxxv, p. 138. 
(Refers to Bricket Wood, p. 139.) 
99. Etheridge, R. Position of the Silurian Rocks in Herts. 
The Times , 19th May; and Geol. Mag. decade 2, vol. vi, p. 286. 
100. Etheridge, R. The Position of the Silurian, Devonian, 
and Carboniferous Rocks in the London Area. Pop. Sci. Review , 
new series, vol. iii, p. 279. 
101. Godwin-Austen, R. A. C. Palaeozoic Rocks in the South¬ 
east of England. Nature , vol. xx, p. 547. 
102. Godavin-Austen, R. A. C. On some Further Evidence as to 
the Range of the Palaeozoic Rocks beneath the South-east of England. 
Rep. Brit. Assoc, for 1879, p. 227. 
103. [Hopkinson, J.] Field Meeting, 3rd July, 1878. Moor 
Park. Trans. Watford Nat. Hist. Soc. vol. ii, part 4, p. xxix. 
