64 Selected Articles in Scientific Fournals. {| January, 1879. 
solium, and the commoner occurrence of T. medtocanellata, with 
some account of the specific differences which he had observed. 
Proceedings of the Sections of the Academy er a 
and Biological, Nov. 4—Mr. J. A. Ryder remarked the 
Gemmule vs. the Plastidule as the Ultimate Physical Unit of 
Living Matter.’ 
Nov. 18.—Dr. J. G. Hunt, on the classification of Fungi and 
the best modes for their microscopical study. Mr. Jos. Zentmayer 
exhibited a new mechanical revolving stage, which admitted of 
70° of ey of illumination. 
Dec. 2.—Dr. H. C. McCook made pori “On the 
minute colai of the stinging organs of ant 
Boston SOCIETY OF NATURAL HISTORY, T 20.—Dr. David 
Hunt make a communication entitled Darwinism and the Human 
Eye; Dr. C. S. Minot remarked on growth as a function of cells. 
Dec. 4.—Dr. S. Kneeland remarked on traces of the Mediter- 
ranean nations in the Northern Ocean. Mr. S. H. Scudder read 
a paper on early types of insects, or the origin and succession of 
insect life in palæozoic times. 
AMERICAN GEOGRAPHICAL Society, Dec. 12.—Mr. James Doug- 
las, Jr., gave an account of his journey along the West Coast of 
South America from Panama to Valparaiso. 
APPALACHIAN Mountain CLus.—Prof. H. F. Walling gave some 
account of Mt. Toby, Mass., and Mr. W. H. Pickering described 
an ascent of the Half Dome, Yosemite. 
:0: 
SELECTED ARTICLES IN SCIENTIFIC JOURNALS. 
AMERICAN JOURNAL OF SCIENCE AND ArRtTs.--December, 1878. 
Valley of the Minnesota river and of the Mississippi river to the 
junction of the Ohio: its origin considered, by G. K. Warren 
(with eight plates). On some points in lithology, J. D. Dana. 
Anatomical peculiarity by which crania of the Mound-builders 
may be distinguished from those of the modern Indians, 7 W. 
J. McGee. Discoveries i in western caves, by H. C. Hove 
SIEBOLD AND KOLLIKER’S ZEITSCHRIFT FUR WISSENSCHAFTLICHE 
ZooLociz.—November 11. On the convolutions of the brain of 
the Ungulates, by J. Krug. Contributions to the anatomy of the 
Ophiurans, by Prof. H. Ludwig. On some cases of parasitism 
in the Infusoria, by J. Van Rees. On the developmental history 
of the fresh-water mussels, by C. Schierholz. 
ANNALES DES SCIENCES NATURELLES.——August 5. Anatomical 
and physiological researches on respiration in the fishes, by M. 
obert. Experiments on the conditions of development of 
Ligulæ, by M. Deschamp. 
