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CALIFORNIA ACADEMY OF SCIENCES

No. 3213 Coll. No. Heermann Gull Set Mark 11/2

Name Larus heermanni
Locality Isla Raza, Gulf of Calif. (Mexico)

Date 4 - 21 - 21 No. Eggs in Set 2

Identity positive Incubation very slight

Nest was merely a depression in the soil at edge of bushes on flat position of island.

Collected by Virgil Owen for California Academy of Sciences.