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. 2016 Jan 7;(550):261–281. doi: 10.3897/zookeys.550.10009

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Richard L. Pyle

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Figure 5. — Methods of collecting specimens from the field have advanced from earlier eras (left, from C.Delon, 1889) to modern high-tech equipment of today (right, Ken Corben).