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PLATE IX.
1. A. crastulinifonnis, with section, nat. size.
2. A. longicaudus, with section, nat. size.
3. A. melinoides, nat. size, with section magnified.
4. A. semiorbicularis, nat. size, with section magnified.
5. A. reticulatus, with section, nat. size.
6. A. mollis, with section, nat. size.
7. A. Rubi, nat. size, with section magnified.
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