. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. Fig. Fig- 3- Young specimens of Renilla reni- formis (Pall.) and Pcnnatula phos- phorea L., seen from the dorsal- side; about 21 2 times the natural size. P terminal or primary polyp, p, p' lateral polyps, p' younger than p\ ^terminal zooid, .r dorsal zooids; s' (only in Renilla) zooids placed on the polyps; n naked dorsal streak. The arrows indicate that the polyps grow in the direction of the unseen ventral side of the colony. M Even in such a form as Distichoptilum (PI. I, Figs. 12—14) or in young stages for instance
. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. Fig. Fig- 3- Young specimens of Renilla reni- formis (Pall.) and Pcnnatula phos- phorea L., seen from the dorsal- side; about 21 2 times the natural size. P terminal or primary polyp, p, p' lateral polyps, p' younger than p\ ^terminal zooid, .r dorsal zooids; s' (only in Renilla) zooids placed on the polyps; n naked dorsal streak. The arrows indicate that the polyps grow in the direction of the unseen ventral side of the colony. M Even in such a form as Distichoptilum (PI. I, Figs. 12—14) or in young stages for instance of 1'irgtilaria (PI. II Fig. 25). The polyps placed in a single series on either side of the rhachis will always incline somewhat towards the side V. 2) Anthozoa in Ray Lankester: Treatise on Zoology. Part II. 1900. p. 31. 3) The ciliated groove, as is well known, is not developed in the older polyps of the sea-pens, but yen," highlv developed in the zooids and the quite young polyps (Hicksou, Phil. Tr. 18S3).. 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 Ingolf (Cruiser); Danish Ingolf-Expedition (1895-1896). Copenhagen : H. Hagerup
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscienti, bookyear1904
