. Bulletin of the Essex Institute. Essex Institute; Natural history; genealogy. 52 CCELENTERATA AND gemmation and ova. Hermaphrodite. Eggs develop in- ternally. Abundant everywhere at low tide. A. ACTINOLOBA WITH BODY CONTRACTED. Bunodes. Body with thick walls, covered externally with warts. Tentacles short, not numerous, in four rows. B. spectabilis. Polythoa. Polyps in clusters connected by living cceno- sarc. Attached to shells inhabited by hermit crabs, worms, etc. P. parasitica. Solitary, tentacles in many series. Base large. Body bright red, smooth; when retracted, f
. Bulletin of the Essex Institute. Essex Institute; Natural history; genealogy. 52 CCELENTERATA AND gemmation and ova. Hermaphrodite. Eggs develop in- ternally. Abundant everywhere at low tide. A. ACTINOLOBA WITH BODY CONTRACTED. Bunodes. Body with thick walls, covered externally with warts. Tentacles short, not numerous, in four rows. B. spectabilis. Polythoa. Polyps in clusters connected by living cceno- sarc. Attached to shells inhabited by hermit crabs, worms, etc. P. parasitica. Solitary, tentacles in many series. Base large. Body bright red, smooth; when retracted, flat. T. crassicornis. nodosa. (?) A. II. Lopholielia. Colonial, branched. Polyps irregularly al- ternate, widely separate. Calycles cup-shaped, slightly protuberant. Axis solid, zigzag. Deep water. L. prolifera. 1 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Essex Institute. 1n. Salem, Mass. , Essex Institute
Size: 2014px × 1241px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthoressexinsti, bookcentury1800, booksubjectnaturalhistory
