Lea, I. (1856). Description of four new species of exotic uniones. Proceedings of the Academy of Natural Sciences of Philadelphia. 8(3): 103 [after 24 June 1856].
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Lea, I.
1856
Description of four new species of exotic uniones
Proceedings of the Academy of Natural Sciences of Philadelphia
Fox in Nolan (1913: xi) lists the date of receipt of this journal number by the Smithsonian Institution as 18 June 1856; however, page 108 of that number reports details of an event having taken place on 24 June