Archive image from page 207 of The Danish Ingolf-expedition (1899-1953). The Danish Ingolf-expedition danishingolfex5apt1a4daniuoft Year: 1899-1953 CTENOPHORA. local(?) variety of Bolina inftmdihnlum, (which is not recorded from the Mediterranean), these three forms being almost invariably found together. A detailed account of the anatomy of this species is given by Vogt & Yung (Op. cit). I have found it, upon the whole, very careful and exact; some few remarks should, however, be made to it. In the figs. 71—72 (p. 172) the long (subventral costse) are shown to continue to about the middle o
Archive image from page 207 of The Danish Ingolf-expedition (1899-1953). The Danish Ingolf-expedition danishingolfex5apt1a4daniuoft Year: 1899-1953 CTENOPHORA. local(?) variety of Bolina inftmdihnlum, (which is not recorded from the Mediterranean), these three forms being almost invariably found together. A detailed account of the anatomy of this species is given by Vogt & Yung (Op. cit). I have found it, upon the whole, very careful and exact; some few remarks should, however, be made to it. In the figs. 71—72 (p. 172) the long (subventral costse) are shown to continue to about the middle of the lobes, and from there to the lower end they are represented as being set with rather coarse hairs, somewhat similar to those of the auricles. These hairs I have never been able to observe, and I think I can maintain that they do not exist, in any case in the younger specimens. Likewise I have never seen the costte proceed so far down on the lobes. Seeing, however, that the specimen figured by Vogt & Yung must have had a height of ca. is'', while the largest specimens observed by me were only ca. s'' high, I do not venture to maintain that it cannot be in these large specimens as repre- sented in the figures quoted. The large folds at the base of the closed lobes represented in these figures I have not observed either. In the description of the gastrovascular system we find the remarkable statement, that the subtentacular vessels bend downwards at their upper end continuing into the excretory vessels; thus a closed circle is made here, as shown by the fig. 85, p. 193. Such a connection between the excretory and the subtentacular meridional vessels being otherwise unknown in Ctenophores, I was beforehand inclined to think tliat this was a misrepresentation. However, I am not able to disprove this state- ment, on the contrary, my observations would seem to support the statement of Vogt & Yung. In the young specimens I found that the subtentacular vessel has a little adapic
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