768 



SCIENCE 



[N. S. Vol. XXXVII. No. 959 



"The Mitochondria," B. W. Hegner. 



"The Unione Fauna of the Great Lakes,' 

 Bryant Walker. 



"An Adult Diemyctylus with Bifurcated Tail,' 

 B. G. Smith. 



"Notes on the Mollusks of Kalamazoo County 

 Mich., ' ' Harold Cummins. 



"Sareoptid Mites in the Cat," Harold Cum 

 mins. 



"The Origin of Continental Forms, III.,' 

 Howard Baker. 



"An Ecological Study of the Birds of Man 

 Chester, Mich., ' ' F. Gaige. 



' ' Notes on Crustacea Eecently Acquired by the 

 Museum of Natural History of the University of 

 Michigan, "A. S. Pearse. 



' ' Distribution of Multiple Embryos on the 

 Blastoderm, " O. C. Glaser. 



' ' Nesting of Our Wild Birds, ' ' Jefferson Butler. 



' ' The Factors that Determine the Distribution 

 of Boleosoma nigrum in Douglas Lake, Cheboy- 

 gan County, Mich.," H. V. Heimburger. 



' ' Pedogenesis in Miastor americana Felt., ' ' R. 

 W. Hegner. 



"The Seminiferous Tubules in Mammals," G. 

 M. Curtis. 



"A Method of Producing Cell-like Structures 

 by Artificial Means," E. W. Eoberts. 



' ' Some Notes on Ehizopods from Michigan, ' ' 

 E. W. Eoberts. 



"Oxygen and Carbonic Acid Contents of Doug- 

 las Lake, Cheboygan County, Mich.," D. A. 

 Tucker. 



"Some Observations on Asplanchna amphora," 

 D. A. Tucker. 



"Some Abnormalities Observed in Proteoceph- 

 alid Cestodes, ' ' G. LaEue. 



' ' Some Observations on Intestinal Villi, ' ' 0. M. 

 Cope. 



"Some Physiological Changes in the Lamprey 

 Egg after Fertilization," P. Okkelberg. 



"A Collection of Fish from Houghton County, 

 Mich.," T. L. Hankinson. 



' ' The Lagoons and Ponds of Douglas Lake, 

 Cheboygan County, Mich., " H. B. Baker. 



' ' The Shiras Expeditions to Whitefish Point, 

 Mich." (1) "Birds," N. A. Wood. (2) "Mam- 

 mals," N. A. Wood. (3) "Amphibians and Eep- 

 tiles," Crystal Thompson and Helen Thompson. 



"Notes on the Ornithology of Clay and Palo 

 Alto Counties, Iowa," A. D. Tinker. 



"A Check-list of Michigan Mammals," N. A. 

 Wood. 



"The Variations in the Number of Vertebras 

 and Ventral Scutes in the Genus Eegina, ' ' Crystal 

 Thompson. 



"An Artificially Produced Increase in the Pro- 

 portion of Male Producers in Bydatina senta," 

 A. F. ShuU. 



E. W. Hegneb, 



Secretary 



SOCIETIES AND ACADEMIES 



THE NEW YORK ACADEMY OP SCIENCES 



The Section of Anthropology and Psychology 

 met in conjunction with the New York Branch of 

 the American Psychological Association on April 

 28, when the following program was presented: 



Afternoon Session, at ^:10 P.M. 



Mr. A. E. Eejall: "Binet Tests in Schools for 

 Incorrigibles in New York City." 



Mr. G. F. Williamson: "Some Individual Dif- 

 ferences in Immediate Memory Span." 



Miss Mabel Barret: "The Order of Merit 

 Method and the Method of Paired Comparisons." 



Dr. E. K. Strong: "Effect of Size and Fre- 

 quency on Permanence of Impression. ' ' 



Dinner at the Faculty Club of Columbia Univer- 

 sity, 6:00 P.M. 



Evening Session, at 8:00 P.M. 



Dr. Clara Jean Weidensall: "A Comparison of 

 the Eecords of the Criminal Woman and the Work- 

 ing Child in a Series of Mental Tests. ' ' 



Professor J. MoK. Cattell : ' ' Families of Amer- 

 ican Men of Science." 



Dr. A. T. Poffenberger: "The Influence of 

 Strychnine on Mental and Motor Efficiency." 



PHILOSOPHICAL SOCIETY, UNIVERSITY OF VIRGINIA 

 MATHEMATICAL AND SCIENTIFIC SECTION 



The seventh meeting of the session of 1912-13 

 of the Mathematical and Scientific Section of the 

 Philosophical Society was held April 22. 



Mr. Justus H. Cline presented a paper by him- 

 self and Professor Thos. L. Watson, entitled 

 ' ' Normal Faulting in the Cambrian of Northern 

 Virginia. " 



Professor Chas. Hancock presented a report on 

 the "Plants of the Southern Power Company." 



Professor J. S. Grasty read a paper, by himself 

 and Professor Thos. L. Watson, on ' ' Barite De- 

 posits of the Southern States." 



Wm. a. Kepner, 



Secretary 



Univeesity OF Virginia 



