January 17, 1913] 



SCIENCE 



117 



W. B. Fite: "Some theorems concerning groups 

 whose orders are powers of a prime." 



L. L. Smail: "Some generalizations in the the- 

 ory of summable divergent series. ' ' 



C. E. Love : ' ' On the asymptotic solutions of 

 linear differential equations. ' ' 



Virgil Snyder : ' ' Algebraic surfaces invariant 

 under an infinite discontinuous group of birational 

 transformations (second paper)." 



L. L. Silverman : " On the equivalence of defini- 

 tions of summability. ' ' 



R. M. Winger: " Self -projective rational curves 

 of the fourth and fifth order." 



The next meeting of the society will be held at 

 Columbia University on Saturday, February 22. 



F. N. Cole, 

 Secretary 



TEE OHIO ACADEMY OF SCIENCE 



The twenty-second annual meeting of the Ohio 

 Academy was held at Ohio State University, 

 Columbus, 0., on November 28, 29 and 30, the 

 president of the society, Professor Bruce Fink, of 

 Miami University, presiding. On Thursday eve- 

 ning an informal reception was given at the Ohio 

 Union Club, where assignment of rooms were made 

 to the visiting members, and a pleasant social 

 period was thoroughly enjoyed by all. The ses- 

 sions on Friday and Saturday were in the general 

 lecture room of the Physics Building. 



The address of President Fink on "Botanical 

 Instruction in Colleges" occurred at 1:30 p.m., 

 Friday, while the evening was given up to a dinner 

 and smoker. 



The complete program follows: 



"New and Eare Plants added to the Ohio List 

 in 1912," J. H. Schaffner. 



' ' Some Applications of Biometry to Agricul- 

 tural Problems, "A. G. McCall. 



"The Influence of Topography on Bird Migra- 

 tions," Lynds Jones. 



"Experiments in Fertilization," E. A. Buding- 

 ton. 



"Heredity (Eugenics)," W. F. Mercer. 



' ' The Ohio Biological Survey, ' ' Herbert Osborn. 



' ' Notes on some Eare Ohio Mosses, ' ' Clara G. 

 Marks. 



"Effect of Eoad Oil on Eubber Tires," Errol 

 L. Fox and Chas. P. Fox. 



' ' Notes on Ohio Oaks, " W. E. Lazenby. 



' ' The Mississippian-Pennsylvanian Unconform- 

 ity and the Sharon Conglomerate," G. F. Lamb. 



"The Primary Motor Column of the Central 

 Nervous System of Amblystoma and its Eelation 

 to the Motor Nerves," C. E. Coghill. 



"Note on the Tactile Reactions of some Orb- 

 weaving Spiders in their Webs," W. M. Barrows. 



" Balanoglossus and the Origin of the Central 

 Nerve Tube in Vertebrates," M. M. Metcalf. 



"Additions to the Cedar Point Flora," E. L. 

 Fullmer. 



"Seeds and Seedling of some Forest Trees," 

 W. E. Lazenby. 



' ' Lorain County Myxomycetes, " F. 0. Grover. 



"The Cerebral Ganglia of the Frog Tadpole," 



F. L. Landacre and Marie F. MeLellan. 



"An Ancient Lake in Ohio with Unlevel Shore- 

 lines," Geo. D. Hubbard. 



"Terraces associated with the Terminal Mo- 

 raine near Delafield, Wisconsin," C. G. Shatzer. 



"An Ecological Study of Forest Types near 

 Columbus," F. B. H. Brown. 



"Algffi of Lorain County, Ohio, with Notes on 

 their Distribution," Susan P. Nichols. 



"Verba Mate (Paraguay Tea)," Chas. P. Fox. 



" Mississippian Conglomerates in Northern 

 Ohio," G. F. Lamb. 



"Charts illustrating Feeble-mindedness, " W. F. 

 Mercer. 



"A Supernumerary Appendage in Otocryptops 

 sexspinosus, and a Theory of Heterorhythmic De- 

 velopment," L. B. Walton. 



"The Soaring Plight of Birds," Lynds Jones. 



"The Aquarium at the Naples Station," Ste- 

 phen E. Williams. 



"Geography of the Balkan Peninsula" (lantern 

 slides), N. M. Fenneman. 



"A Botanical Survey of the Sugar Grove Re- 

 gion" (lantern slides), Eobert Griggs. 



' ' The Fauna of the Conemaugh Formation, ' ' 

 Clara G. Marks. 



"A Preliminary Eeport on the Crayfishes of 

 Ohio," C. I. Turner. 



' ' Induced Modifications in the Pigment Devel- 

 opment of Spelerpes Larvas, " A. M. Banta. 



"Review of the Genus Dero (Aquatic Oligo- 

 chates) with a Description of Two New Species," 

 L. B. Walton. 



' ' The Composition of a Typical Prairie, "J. H. 

 Schaffner. 



' ' A List of Plants Collected in Cuyahoga County 

 and New to the County or to Ohio, ' ' Edo Claassen. 



"The Effects of Changes in Sea Beds on the 

 Fauna and Lithology of the Richmond Period, ' ' 



G. M. Austin. 



"The Application of Physics to Agriculture," 

 A. G. McCall. 



