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museum of comparative zoology
arachnida
naturgeschichte in bildern : mit erläuterndem text / von professor dr. strack. lief. 4. (heft 33-56). fische.
arachnid
die arachniden : getreu nach der natur abgebildet und beschrieben bd. 11-13 (1845-1846) plates 361-468
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harvard university
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