394 Correspondence. 
Index to reports of the geological survey of New Zealand from 1866 to 
1885 inclusive. 
Notice necrologique sur M. A E. Beguyer de Chancourtois; par M. 
Edmond Fuchs. [Extrait des Annales des mines. Mai-Juin, iS87]- 
Paris. 
Note sur la constitution des gites de phosphate de chaux, et sur les 
conditions speciales de gisement de ceux du nord de la France, par M. 
Edmonds Fuchs. Assoc. Franc. I'avanc. d. Sciences, 1887. 
Jahresbericht des Vereins fUr Erdkunde zu Stettin, 1S87. 
Anthozoen und Bryozoen des obern mittelrussischen Kohlenkalks; von 
A. Stuckenberg; mit 4 Tafeln, 1888; also, Die Fauna des untern Devon am 
west-Abhange des Urals, von Th. Tschernyschew, mit 9 Tafeln, 1885; 
also, Bibliotheque geologique de la Russie, 18S6. Comite geologique^ St, 
Petersburg. 
Shell-growth in cephalopoda (Siphonopoda.) By F. A. Bather, of the 
British Museum. (Ann. and Mag. Nat. Hist; April, i88S). 
CORRESPONDENCE. 
Hayden Memorial Geological Finid. Mrs. Emma W. Hayden has given 
to the Academy of Natural Sciences of Philadelphia in trust the sum of 
$2500 to be known as the Hayden Memorial Geological Fund, in com- 
memoration of her husband, the late Prof. Ferdinand V. Hayden, LL. D. 
According to the terms of the trust a bronze medal and the balance of 
the interest arising from the fvmd are to be awarded annually for the best 
publication, exploration, discovery or research in the sciences of geology 
and palaeontology, or in such particular branches thereof as may be desig- 
nated. The award and all matters connected therewith are to be deter- 
mined by a committee to be selected in an appropriate manner by the 
Academy. The recognition is not to be confined to American naturalists. 
Academy of Natural Sciences of PhiladelpJiia. 
Philadelphia, May 8, 188S. 
The proposed geological society. Geologists will recall the fact of the 
appointment of a committee of their number at the meeting of the A. A. 
A. S. in 1881 to consider the advisability of forming an American Geologi- 
cal Society. This committee sent out circulars asking for opinions, and 
received 126 answers to their inquiries, all but two of which expressed a 
belief in the expediency of organizing such a society. These facts were 
reported at Montreal in 1882. It was there voted expedient to establish 
a geological magazine. A proposed constitution for a society was pre- 
sented, discussed and laid upon the table for future consideration. At 
the adjourned meeting in 1883 at Minneapolis the questions of the maga- 
zine and society were further consider. Little was accomplished beyond 
