Ptychoramphus aleuticus, Auk egg

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A freshly laid Cassin's auklet (Ptychoramphus aleuticus) egg collected from Forester's Island. Collector George Cantwell noted he found the "egg at end of 5 foot burrow in the grass at top of island." He additionally notes "nest deserted - eggs usually laid in April." Later acquired by Alexander Sprunt.

Original set mark: 41 Cantwell Collection