423 
della Società geologica italiana tenuta in Savona. 
Id-, On some perched blocks and associated phenomena. From 
thè Quart. Journ. of thè Geol. Soc. 1886 (8°, pag. 12, fig.). 
Id., Notes on thè Geology of thè Vale of Clioyd. Proceed. 
of thè Chester-Society, 1884 (8°, pag. 32, fig.). 
Id., On thè geology of Anglesey. n. 2. From thè Quart. Journ. 
of thè Geol. Soc. 1884 (8°, pag. 12, fig.). 
Id., On thè relation of thè appearance and duration of thè 
various forms of life upon thè earth , to thè breaks in thè con- 
tinuity of sedimentar, y sfrata. Extr. Proceed. of thè Cambridge 
Philophical Society voi. Ili pt. VI (8°, pag. 11, 1 tav.). 
Id., On thè Precambrian Rochs of Bangor. From thè Quart. 
Journ. of thè Geolog. Soc. 1878 (8°, pag. 12). 
Id. On thè geology of Anglesey. From thè Quart. Journ. of 
thè Geol. Soc. 1880 (8°, pag. 4). 
hl.Jdxploration of cave Ha nearGiggleswick , S etile, Yorksliire. 
From thè Journ. of thè Anthropologic Institute (8°, pag. 10, 2 tav.). 
Id. On some fossils supposed to bave found in thè Pleistocene 
G-revels of Barmwell, near Cambridge. From Geol. Magaz. October 
1883 (8°, pag. 2). 
Id. On thè so-called Spongia Paradoxica S. Woodward J 
from thè red and tohite chalk of Ilunstanton. From Quart. Journ. 
of thè Geol. Soc. 1884 (8°, pag. 7). 
T. Roberts, On thè correlation of tlie upper Jurassic Rocks 
of thè Stviss Tura with those of England. From thè Quart. Journ. 
1887 (8°, pag. 40, fig.). 
Giunsero in cambio le seguenti pubblicazioni : 
Katalog der Bibliothek der deutschen geologischen Gesellschaft. 
Berlin 1887 (8°, pag. 166). 
Verhaudlungen des naturhistorischen Verein der Preussischen 
Rheinlande und Westfalens. Bonn. Voi. 1882 al 1886. 
Id., Autoren und Sachregister. Bonn 1885 (8°, pag. 210). 
The Quarterly Journal of thè Geological Society. Voi. XLII 
e XLIII n. 166 a 171, 1887. 
Annuario della Società degli architetti e ingegneri italiani, 
per l’anno 1887. 
G. Tschermak, Sep arai- A b drudi aus den mineralogischen und 
petrographischen Mittheilungen. 
