64 
DONS. — DU 4 AVRIL AU 21 JUIN 1887. 
— Further observations on tbe precambrian Rocks of Caernarvon, 
in-8“, 12 p., 1 carte (Extr. id), 1879. 
— On tbe silurian Rocks of lhe Walley of tbe Clwyd, 6 p. (Exlr. 
id.), 1879. 
— On tbe drifts of tbe Vale of Clwyd and their relation to tbe caves 
and cave-deposits (Exlr. id;, 1887), in-8% 47 p., 1 pl. 
— On some tracks- of terrestrial and freshwater animales, in-8“, 
20 p., 4 pl. 
— On lhe so-called Spongia Paradoxida S. Woodward from tbe 
Red and white Cbalk of Hunstanton, in-8“, 6 p.. 1884 (Extr. id). 
— On lhe precambrian Rocks of Bangor, in-8®, 12 p., 1879, 
(Ext. id.). 
— On tbe silurian Grits of Corwen, Norlh Wales, in-8“, 6 p., 1877 
(Extr. id.). 
— On tbe Geology of Anglesey, 13 p. in-8% 1882 (Extr. id.). 
— On tbe Geology of Anglesey, in-8% 4 p. (E.xtr. id., 1880). 
— On some perched Blocks and associated Phenomena, in-8°, 
12 p., 188G (Extr. id,). 
— On tbe transport of fine mud and vegetable matter by con- 
ferva. 9 p, in-8” (Extr. Cambridge philosoph Soc., 1880). 
— Notes on tbe Geology of tbe Vale of Clwyd, in-8°, 32 pl., 8 p. 
(Exlr. Proceed. Cbester Soc. of Natur. Science, 18.S4). 
— The présent State of lhe Evidence bearing upon tbe Question 
of tbe Antiquety of Man, in-8“, 43 p., Londres (Victoria Inst., or, 
Phil. Soc. of Great Brit.J. 
— On lhe Evidence of tbe later Movements of Elévation and De- 
pression in tbe Brilish Isles, in-8% 19 p, (Extr. id.). 
— Report of an Excursion of tbe Geologists’ Association to Ban- 
gor, Snowdon, Holyhead, etc., in-8“, 13 p., 1883 (Extr. Proceed. 
Associât.), 
— Report of an Excursion of tbe Geol, Assoc. to Cambridge, in-8<>, 
6 p. (Extr. id., 1884). 
— E.xploration of Cave Ha near Giggleswick, Settle, Yorkshire, 
in-8°, 10 p. (Extr. Journal of Anlhropolog. Institute. London, 1874). 
— (ihesler Society of Nalural Science, Présidents Adress, in-12, 
18 p., 1881 (Exlr. Cbester Guardian). 
— The flflb annual Report of tbe Cbester Soc. of Naturel Science 
(1873-76). Cbester, 1876, in-8% 19 p. 
— International Geological Congress. Reports of sub-commiltees 
on Classification and Nomenclature, Cambridge, 1883, in-8“, 147. 
James Jackson. 30 vues photographiques offertes par l’auteur et 
représentant : 
