File:PSM V84 D531 Facts and factors of development fig3-5.jpg
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Fig. 3. Entire spermatozoon of the annelid nereis, showing perforatorium (P); head (H); middle piece (M), and tail (T). (From F. R. Lillie)
|Source||Edwin Grant Conklin: Facts and factors of development. The Popular science monthly, Volume 84, p527. New York, Popular Science Pub. Co., June 1914. Online: archive.org.|
|Author||Edwing Grant Conklin after F. R. Lillie|
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|current||07:39, 22 March 2018||486 × 768 (51 KB)||Ineuw||Cleaned image, enhanced contrast|
|02:50, 19 March 2011||1,700 × 2,306 (320 KB)||Martin H.|
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