EB1911 Polyzoa - zooecia of Umbonula pavonella
Författare/Upphovsman:
Hincks
Kreditera:
Encyclopædia Britannica (11th ed.), v. 22, 1911, p. 42, fig. 4.
Kort länk:
Källa:
Upplösning:
213 x 377 Pixel (36004 Bytes)
Beskrivning:
Zooecia of Umbonula pavonella, showing a pair of minute avicularia on either side of the orifice of each zooecium.
Licens:
Public domain
Licenskommentaren:
|
This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
Mer information om licensen för bilden finns här. Senaste uppdateringen: Sat, 17 Aug 2024 14:21:31 GMT