BIBLIOGRAPHY OF YORKSHIRE GEOLOGY. 
451 
53 Heslop, M. K. and R. C. Burton.— The Tachylite of the 
Cleveland Dyke. Geol. Mag., Feb., pp. 60-69. 
54 Hewitt, W. — President's Address, The Coast in its 
Geological Relations. Proc. Liverpool Geol. Soc, pt. 3, 
vol. xi., pp. 153-182. 
55 Hill, William. — Rocks containing Radiolaria. [Brief 
references to specimens in Yorkshire Chalk]. Proc. 
Geol. Assoc., vol. xxiii., pt. 2, pp. 62-91. 
56 Holmes, J. — Halysites catemilaria at Cragg Hill, Yorkshire. 
[Recorded in the Coniston Limestone Series]. 
Naturalist, Feb., p. 57. 
57 J[ohns], C. — Annual Report for 1911 [of the Yorkshire 
Geological Society ; summary of work on excursions, 
etc.]. Proc. Yorks. Geol. Soc, vol. xvii., pt. 3, 1911, 
pp. 261-263. 
58 Johnstone, Mary A. — On Catamites (Calamitina) varians, 
Sternb., var. insignis, Weiss [from the Bradford Coal- 
Measures]. Mem. and Proc. Manchester Lit. and Phil. 
Soc, vol. lvi., pt. 3, Xo. 17, pp. 1-16. 
59 Jones, W. Rupert, compiled by, [Edited by L. L. 
Belinfante]. Geological Literature added to the 
Geological Society's Library during the year ended 
December 31st, 1911. London. Pp. 164. 
60 Jukes-Browne, A. J. — On the Recognition of Two Stages 
in the Upper Chalk. Geol. Mag., July, pp. 304-313 ; 
August, pp. 360-372. 
61 The Student's Handbook of Stratigraphical Geology. 
Second Edition. London. Pp. xiv. + 668. 
62 Kendall, Hugh P. and H. Ling Roth. — Local Prehistoric 
Implements [with brief Geological notes]. Bankfield 
Museum Notes, No. 12, Pp. 20. 
63 Kendall, Percy Fry. — Address by the President [on the 
progress of Yorkshire Geology during the preceding half 
century]. Proc. Yorks. Geol. Soc, vol. xvii., pt. 3, 1911, 
pp. 169-183. 
64 Kendall, P. F. — Excursion to the Dales of West Yorkshire 
and Harrogate, July 27th to August 6th (Long Excursion), 
1910. Proc. Geol. Assoc., vol. xxiii., pt. 2, pp. 
125-136. 
