4 68 
BIBLIOGRAPHY OF YORKSHIRE GEOLOGY. 
38 Buckman, S. S. — Yorkshire Type Ammonites. Part xii. 
(8 plates and descriptions), pt. xiii. (9 plates and des- 
criptions), pt. xiv. (8 plates and descriptions). These 
contain figures and descriptions of (xii), Porpoceras 
verticosum, A. obsoletus, A. elegantulus, A. sinuatus, A. 
socialis, A. aureolus, Tiltoniceras costatum ; (xiii), A. 
hyperbolicus, A. subtensis, Mgoceras (?) finitimum, A. 
hastatus ; (xiv), A. spicatus, Deroceras impavidum, 
A. mutatus, A. ovatulus, A. gracilis, and A. heptangularis. 
[See also Naturalist, March, p. 78]. 
39 Burnet, Arthur. — Notes on Sections in a Quarry at 
Robin Hood, near Leeds. Trans. Leeds Geol. Assoc., 
pt. xvii., pp. 31-35. 
40 Burrell, Benjamin Arthur. — The Analysis of Ilkley 
Spa Water. Proc. Yorks. Geol. Soc, vol. xix., pt. 1, 
pp. 14-17. 
41 Burton, J. J. — Geology [of Eskdale]. Naturalist, 
Oct., pp. 323-324. 
42 Jurassic Flora Committee [report of]. Ibid., Jan., 
p. 37. 
43 General Features [Runswick]. Circular 217, in Trans. 
Yorks. Nat. Union, pt. 35. 
44 Geology [of Middleton-in-Teesdale]. Circular 222, in 
Trans. Yorks. Nat. Union, pt. 35. 
45 Geology [of Sleights]. Circular 253, in Trans. 
Yorks. Nat. Union, pt. 35. 
±6 Burton, [J. J.]. — Geology [of Great Ayton]. Circular 247, 
in Trans. Yorks. Nat. Union, pt. 35. 
47 Carter, W. Lower. — Geology [of Kirkby Moorside]. Cir- 
cular 225 in Trans. Yorks. Nat. Union, pt. 35. 
48 Case, Gerald O. — Coast Sand-Dunes, Sandpits and Sand 
Wastes. London. Pp. viii. + 162. 
49 Chapman, Sarah E.— Some Petrological Characteristics of 
Underclays. Trans. Leeds Geol. Assoc., pt. xvii., pp. 
8-15. 
50 Chatwin, C. P. — [See L. L. Belinfante]. 
51 Culpin, H. — Geology [of Riccall]. Circular 236 in Trans. 
Yorks. Nat. Union, pt. 35. 
52 Geology [of Askern]. Circular 239 in Trans. Yorks. 
Nat. Union, pt. 35. 
