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264 Selected Articles in Scientifie Serials, (March, 1881. 
AMERICAN GEOGRAPHICAL SOcIETY, Jan. 11.—Commander J. R. 
Bartlett, U.S.N., read a paper on the recent investigations of the 
Gulf Stream by the U. S. Coast and Geodetic Survey steamer Blake. 
Jan. 25.—Gen. G. W. Callum read a paper on the Land of 
Egypt. 
:0: 
SELECTED ARTICLES IN SCIENTIFIC SERIALS. 
AMERICAN JOURNAL OF SCIENCE AND ARTS,—February. Notes 
on Alaska and the vicinity of Behring strait, by W. H. Dall. 
Relation of Devonian insects to later and existing types, b : 
Scudder. Date of the Glacial era in Eastern North America, by 
G. F. Wright. A new genus and species of air-breathing mol- 
lusk from the coal measures of Ohio, by R. P. Whitfield. . Prin- 
cipal characters of American Jurassic Dinosaurs, by O. C. Marsh, 
ANNALS AND MaGazine oF Natura History.— December, 
1880. Note on Prerygodermatites macdonaldii, the type of a new 
order of Vermes, by G. E. Dobson. ' On the minute structure of 
the recent Heteropora neozelanica and on the relations of the 
genus Heteropora to Monticulipora, by H. A. Nicholson. On 
the northern species of Buccinum, by J. G. Jeffreys. On the 
organization and development of the Gordii, second note by A. 
Villot, 
GroLocicaL MaGazinE—January. On the ornithosaurians from 
the Upper Greensand of Cambridge, by H. G. Seeley. 
QUARTERLY JOURNAL OF MicRoscopicAL Science—January. 
he germination and histology of the seedling of Welwitschia 
mirabilis. by F. O. Bower. On the head-cavities and associated 
nerves of Elasmobranchs, by A. M. Marshall. Contributions to 
the minute anatomy of the nasal mucous membrane, by E. Klein. 
Histological Notes, by E. Klein, On the intra-cellular digestion 
and endoderm of Limnocodium, by E. R. Lankester. (Shows 
that in the Coelenterates, as previously shown by Metschnikoff, 
the endodermal cell take in natural food materials. In the fresh 
water medusa Lankester has studied the amoeboid endodermal cells 
during life and seen them take in natural food materials, such as 
Protococcus and Euglena-like forms. He cites the observation of 
Parke, who saw a diatom completely embedded in the protoplasm 
of a cell of Hydra, also of Metschnikoff, who has described the 
inception of solid food particles by the cells lining the alimentary 
canal of certain Planarians.) On the microscopic numeration of 
the blood corpuscles and the estimation of their haemoglobin, by 
Mrs. E. Hart. Preliminary account of the development of the 
lampreys, by W. B. Scott. On some appearances of the red blood- 
corpuscles of man and other vertebrata, by G. F. Dowdeswell. 
Medusz and Hydroid polyps living in fresh water, by G. J. Ro- 
manes. 
