Farm spies; how the boys investigated field crop insects
保存先:
| OCLC: | 15562962 |
|---|---|
| 第一著者: | |
| その他の著者: | |
| 言語: | English |
| 出版事項: |
New York,
The Macmillan Company,
1916.
|
| 主題: | |
| フォーマット: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
目次:
- The boll-weevil
- The black bill-bug of corn
- When corn is fox-eared
- The black corn-weevil
- Grasshoppers
- Chinch-bugs
- The cotton root-louse
- Windfalls of corn.