. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Sp. I 4b lob iia i6b Sp. 2 4b 8a lob i6b 4b lob i6b 4b lob Sp. 5 4b lob. Fig. 202 C i8a 23b 24a 26b 2gb 30a = 10 pairs (202 B) iSa 23b 26b 30a ^ 8 —• l8a 24a 30a = 6 — 17b 19a 26a ^5 — {202 A) 24a 29b 31a ^ 5 — (202 C) The three first specimens as well as the greater part of the specimen 5 fully agree. It is true that the same mesentery is not always perfect, owing to the different number of the pairs, consist- ing of an imperfect and a perfect mesentery which are present in the
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. Sp. I 4b lob iia i6b Sp. 2 4b 8a lob i6b 4b lob i6b 4b lob Sp. 5 4b lob. Fig. 202 C i8a 23b 24a 26b 2gb 30a = 10 pairs (202 B) iSa 23b 26b 30a ^ 8 —• l8a 24a 30a = 6 — 17b 19a 26a ^5 — {202 A) 24a 29b 31a ^ 5 — (202 C) The three first specimens as well as the greater part of the specimen 5 fully agree. It is true that the same mesentery is not always perfect, owing to the different number of the pairs, consist- ing of an imperfect and a perfect mesentery which are present in the five specimens, but it is the same a and b mesenteries wliich are per- fect in the pairs. Now one pair, now another thus seems to grow more rapidly. Besides, it ought to be observed that also several pairs of imperfect mesenteries show a different development of both mesenteries in one and the same pair. So the perfect mesentery 8 a in the specimen 2 corresponds to a stronger imperfect mesentery 8 a in the specimen perfect mesentery 11 a in the specimen i is adequate to a stronger imper- fect mesentery 11 a in the specimen 2, and this is also the case with the mesentery 24 a. If we disregard the presence of the extra pairs of mesenteries x (compare above) in the specimen 4, the arrangement of the me- senteries is also here the same, 17 b corresponds to 16 b, 19 a to 18 a, 26 a to 24 a. How this peculiar arrangement has arisen, is difficult to decide. As to the place of the mesenteries. 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 Danish Ingolf-Expedition (1895-1896); Københavns universitet. Zoologisk museum. Copenhagen H. Hagerup
Size: 1626px × 1536px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
