Britannica Echiuroidea 3
Description:
Description: English: Adult male, Bonellia viridis, Rol. The original was 1.5 mm. long. The nervous system is not shown. (After Selenka.) a, Generative pore with spermatozoa coming out. b, Anterior blind end of intestine attached to the parenchymatous tissue by muscular strands. c, Green wandering cells containing chlorophyll. d, Parenchymatous connective tissue. e, Epidermis. i, Intestine. j, Vas deferens. l, Internal opening of vas deferens. m, The left anal vesicle. n, Spermatozoa in the body-cavity. Date: 1911. Source: Encyclopædia Britannica, 1911. Author: Encyclopædia Britannica, Volume 8, Slice 10., available freely at Project Gutenberg.
Included On The Following Pages:
- Life (creatures)
- Cellular (cellular organisms)
- Eukaryota (eukaryotes)
- Opisthokonta (opisthokonts)
- Metazoa (Animal)
- Bilateria
- Protostomia (protostomes)
- Spiralia (spiralians)
- Annelida (segmented worms)
- Pleistoannelida
- Sedentaria
- Echiura (spoon worms)
- Echiuroidea
- Bonelliida
- Bonelliidae
- Bonellia
- Bonellia viridis (green spoon worm)
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Source Information
- license
- cc-publicdomain
- creator
- Encyclopædia Britannica, Volume 8, Slice 10., available freely at Project Gutenberg
- source
- Encyclopædia Britannica, 1911
- original
- original media file
- visit source
- partner site
- Wikimedia Commons
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