208 The American Naturalist. [February, 
Descriptions of New Species found at Ames, Iowa; Alice M. Beach : 
36. New Species of Thripide; Herbert Osborn and F. Atwood Sir- 
rine: 37. Studies of Migration of Certain Aphidideæ ; F. Atwood Sir- 
rine: 38. Description of a Species of Aphid Occurring on Carex; L. 
H. Pammel and Alice M. Beach: 39. The Pollination of Cucurbits— 
by Title; Alice M. Beach: 40. Notes on the Pollination of Some Flow- 
ers; L. H. Pammel: 41. On the Migration of Some Weeds; 42. Notes. 
on Fungus Diseases of Plants at’ Ames, Iowa, 1894—by Title; 43. 
Notes on the Flora of Western Iowa—by Title; L. H. Pammel and O- 
H. Pagelsen: 44. The Action of Antiseptics and Disinfectants on Some 
Micro-organisms ; L. H. Pammel and Robert Combs: 45. Notes on a 
Micrococcus which Colors Milk Blue; Emma Sirrine: 46. On the 
Structure of the Testa of Polygonaceæ : Cassie M. Bigelow: 47. A 
Study of the Glands in Hoptree (Ptelea trifoliata). T. Proctor Hall: 
48. Graphic Representation of the Properties of the Elements; 49. 
Strata Passed in Sinking a Well at Jidney ; Arthur C. Spencer: 50. 
Notes on the Minerals of Webster County; A. H. Conrad: 51. Some 
Notes on the Reptiles of Southeastern Iowa ; 52. Bones Found in a 
Cave in Louisa County; 53. Mastodon and Mammoth Remains in 
Southeastern Iowa; E. H. Lonsdale: 54. Cement Claysin Iowa; 55. 
Conclusions as to the thickness of the Upper Carboniferous in South- 
western Iowa; R. Ellsworth Call: 56. A Geograpical and Synonymic 
Catalogue of the Unionide of the Mississippi Valley—by title. 
The officers elected for 1895 are: H. W. Norris, President; C. R. 
Keyes, First Vice-President ; T. Proctor Hall, Second Vice-President ; 
Herbert Osborn, Secretary and Treasurer; H. Foster Bain, Librarian ; 
N. E. Hansen, T. H. McBride, and W. H. Norton, elective members 
of the executive council. 
Des Moines Academy of Science.—Officers elected; Floyd 
Davis, recently of the New Mexico School of Mines, as President and 
J. Christian Bay, State Bacteriologist, as Secretary. 
Boston Society of Natural History.—Dec. 5th, the following 
papers were read: Mr. Outram Bangs: Color variation in the geograph- 
ical races of the white-footed mouse. Specimens were shown. Dr. C. 
B. Davenport: Bibliographic reform. Dr. G. H. Parker: Migration 
of pigment in compound eyes. December 19, Prof. W. M. Davis: 
Notes on certain European rivers. Stereopticon views were shown. 
January 2d, Dr. J. Walter Fewkes: The new fire ceremony at Walpi. 
Dr. Fewkes illustrated the aboriginal methods of fire-making. 
SAMUEL HENSHAW, Secretary. 
