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Above.

Center.

Marsh outlet requiring continual labor to keep open.
Two hundred and twenty feet of pipe installed gives perfect

drainage.

Below. Conditions one year later; natural sand fill removes danger of

undermining cottage.

MOSQUITO WORK. MADISON.

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a. Leaves of the gray birch, Betula populifolia, mined by a European sawfly leaf-miner, Fenusa pumila Klug.

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b. Taxus grown out of doors and infested by a mealy bug, Pseudococcus sp. EUROPEAN SAWFLY LEAF-MINER AND MEALY BUG.

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a. Sawfly larvae feeding on Rudbeckia "golden glow", natural size.

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b. Bed of Rudbeckia "golden glow", Westport, which had been stripped by sawfly larvae.

SAWFLY LARVAE ON RUDBECKIA "GOLDEN GLOW".

Connecticut Agricultural Experiment Station

New Haven, Connecticut

The Improvement of Naturally CrossPollinated Plants by Selection in Self-Fertilized Lines

I. THE PRODUCTION OF INBRED STRAINS
OF CORN

D. F. JONES

P. C. MANGELSDORF

The Bulletins of this Station are mailed free to citizens of Connecticut who apply for them, and to other applicants as far as the editions permit.

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