The branchiobdellid worms in the collections of the United States National museum, with descriptions of new genera and new species /
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| Format: | Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
[Government Printing Office],
[1919]
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| Series: | Proceedings of the United States National Museum ;
v. 55, no. 2267. |
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| Item Description: | Caption title |
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| Physical Description: | pages 241-265 : illustrations, plate 10-13 ; 24 cm. |