§52 Proc. of Sci. Societies & Selected Articles in Sct. Serials. [July. 
— The Harvard Library Bulletin, No. 15, contains the begin- 
ning of a bibliography of fossil insects, by Mr. S. H. Scudder. 
— It is announced that Mr. Darwin has nearly or quite ready 
for publication, a work on the Circumnutation of Plants. 
10: 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
New York AcApemy oF Sciences, May 17.—Prof. T. Eggles- 
ton read a paper on the origin of gold nuggets and of alluvial 
gold deposits, 
May 24.—Prof. J. S. Newberry remarked on the flora and fauna 
of the Triassic rocks about New York; and Mr, G. F. Kunz 
spoke regarding the fluor spars and certain associated minerals 
from Missouri and Southern Illinois, 
May 31.—Mr, A. A, Julien presented his observations on the 
Palisade range at Weehawken, N. J., and on quartz crystals as an 
` element in the constitution of rocks, 
Boston Society or Narurat History, May 19,—Dr. C. S. 
Minot remarked on the tongue of reptiles and birds, and Dr. M. 
E, Wadsworth on the age of the copper-bearing rocks of Lake 
Superior. 
AMERICAN GEOGRAPHICAL Society, New York, May 25.— 
Rev, B. F. DaCosta read a paper on Arctic explorations, ancient 
and modern, 
10: 
SELECTED ARTICLES IN SCIENTIFIC SERIALS. 
AMERICAN JOURNAL OF SCIENCE AND ARTS.— June. Physical 
structure and hypsometry of the Catskill Mountain region, by 
Arnold Guyot. Occurrence of true Lingula in the Trenton lime- 
stone, by R. P. Whitfield. 
CANADIAN Natura.ist.—May 7. The history of some Pre-cam- 
brian rocks in America and Europe, by T. Sterry Hunt. Notes 
on some Canadian ferns, by J. Campbell. 
Tue GEoLocicaL MaGazine.—May. Notes on the Anomalo- 
cystida, a remarkable family of Cystoidea from the Silurian rocks, 
by H. Woodward. Notes on the history of the extinct Car- 
nivora, by P. N. Bose. British carboniferous tubicolar Annelides, 
Part ut, by R. Etheridge. Dr. H. Frautschold on the level of 
the sea. 
ZEITSCHRIFT FUR WISSENSCHAFTLICHE ZooLoGie.—May 7. An- 
atomy of Tenia perfoliata, by Z. Kahane, On the Tyroglypht 
and allied mites, by G. Haller. On the structure and develop- 
ment of Bursa fabricii, by L. Stieda. On the primary stone 
ċanal of the Crinoids, with remarks on the comparative anatomy 
of Echinoderms, by H. Ludwig. New contributions to the 
anatomy of Ophiurans, by H. Ludwig. 
