The Ohio
Journal of Science
NOVEMBER,
Volume XVI. 1915 Number 1.
(Continuation of The Ohio Naturalist)
Official Organ of the
Ohio State University Scientific Society
and of the
Ohio Academy of Science
COLUMBUS, OHIO
Annual Subscription Price, $2.00 Single Number, 30 Cents
Entered at the Post-Office at Columbus, Ohio, as Second-Class Matter.
The Ohio Journal of Science
PUBLISHED BY THE
Ohio State University Scientific Society
Issued Monthly during the Academic Year, from November to June (eight numbers).
Official Organ of the Ohio Academy of Science
Subscription Price: $2.00 per Year, payable in advance; to Foreign Countries, $2.50.
Single Copies, 30 Cents.
| Editor, | John H. Schaffner |
| Associate Editor, | James S. Hine |
| Associate Editor, | Frederick W. Ives |
EDITORIAL BOARD | |
| J. F. Lyman | Agricultural Chemistry |
| F. W. Ives | Agricultural Engineering |
| A. G. McCall | Agronomy |
| F. L. Landacre | Anatomy |
| J. H. Schaffner | Botany |
| Carl B. Harrop | Ceramic Engineering |
| Jas. R. Withrow | Chemistry |
| F. H. Eno | Civil Engineering |
| N. W. Scherer | Forestry |
| C. S. Prosser | Geology |
| V. H. Davis | Horticulture |
| W. A. Knight | Industrial Arts |
| C. J. West | Mathematics |
| Horace Judd | Mechanical Engineering |
| Jonathan Forman | Pathology |
| F. C. Blake | Physics |
| R. J. Seymour | Physiology (General) |
| Clayton McPeek | Physiology (Medical) |
| E. R. Hayhurst | Public Health & Sanitation |
| J. S. Hine | Zoology and Entomology |
The Ohio Journal of Science is owned and controlled by the Ohio State University Scientific Society. By a special arrangement with the Ohio Academy of Science, the Ohio Journal of Science is sent without additional expense to all members of the Academy who are not in arrears for annual dues.
The first fifteen volumes of the old Ohio Naturalist may be obtained at $1.00 per volume.
Remittances of all kinds should be made payable to the Business Manager, J. S. Hine.
Address The Ohio Journal of Science
Ohio State University, COLUMBUS
| Ohio Academy of Science Publications. | |
First and Second Annual Reports | Price 30 cts. each |
| Third and Fourth Annual Reports | Price 25 cts. each |
| Fifth to Sixteenth Annual Reports | Price 20 cts. each |
| Seventeenth Annual Report | Price 40 cts. each |
| SPECIAL PAPERS. | ||
| 1. | Sandusky Flora. pp. 107. E. L. Moseley | 60 cts. |
| 2. | The Odonata of Ohio. pp. 116. David S. Kellicott | 60 cts. |
| 3. | The Preglacial Drainage of Ohio. pp. 75. W. G. Tight, | |
| J. A. Bownocker, J. H. Todd and Gerard Fowke | 50 cts. | |
| 4. | The Fishes of Ohio. pp. 105. Raymond C. Osburn | 60 cts. |
| 5. | Tabanidæ of Ohio. pp. 63. James S. Hine | 50 cts. |
| 6. | The Birds of Ohio. pp. 241. Lynds Jones | 75 cts. |
| 7. | Ecological Study of Big Spring Prairie. pp. 96. Thomas A. Bonser | 50 cts. |
| 8. | The Coccidæ of Ohio, i. pp. 66. James G. Sanders | 50 cts. |
| 9. | Batrachians and Reptiles of Ohio. pp. 54. Max Morse | 50 cts. |
| 10. | Ecological Study of Brush Lake. pp. 20. J. H. Schaffner, | |
| Otto E. Jennings, Fred J. Tyler | 35 cts. | |
| 11. | The Willows of Ohio. pp. 60. Robert F. Griggs | 50 cts. |
| 12. | Land and Fresh-water Mollusca of Ohio. pp. 35. V. Sterkj | 50 cts. |
| 13. | The Protozoa of Sandusky Bay and Vicinity. F. L. Landacre | 60 cts. |
| 14. | Discomycetes in the Vicinity of Oxford, Ohio. pp. 54. | |
| Freda M. Bachman | 50 cts. | |
| 15. | Trees of Ohio and Surrounding Territory. pp. 122. John H. Schaffner | 75 cts. |
| 16. | The Pteridophytes of Ohio. pp. 41. John H. Schaffner | 50 cts. |
| 17. | Fauna of the Maxville Limestone. pp. 65. W. C. Morse | 60 cts. |
| 18. | The Agaricaceæ of Ohio. pp. 116. W. G. Stover | 75 cts. |
| 19. | An Ecological Study of Buckeye Lake. pp. 138. Frederica Detmers | 75 cts. |
Address: C. W. REEBE, Librarian, Ohio Academy of Science. | ||
| Library, Ohio State University, Columbus, Ohio. | ||
THE
Ohio Journal of Science
PUBLISHED BY THE
Ohio State University Scientific Society
Volume XVI NOVEMBER, 1915 No. 1
| TABLE OF CONTENTS | |
| Introductory | [ 1] |
| Lord—The Making of a Photographic Objective | [ 3] |
| Transeau—Notes on the Zygnemales | [17] |
| Organization of the Ohio State University Scientific Society | [32] |