. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. 7° ECHINOIDEA. II. the corresponding plates 2, the bivial ambulacra thus not being interrupted by the interambulacra i and 4. The inner plate of these interambulacra is small, but distinct, at the edge of the invagination it is separated from the corresponding second plate by the ambulacral plates II. a. 2 and IV. b. 2, some- times also IV. b. 3, which are prolonged backwards so as to join the ambulacral plates Lb. 1 and V. a. 1. The interambulacra 1 and 4 are much prolonged backwards, and the plates 1. a. 4 and 4. b. 4 have
. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. 7° ECHINOIDEA. II. the corresponding plates 2, the bivial ambulacra thus not being interrupted by the interambulacra i and 4. The inner plate of these interambulacra is small, but distinct, at the edge of the invagination it is separated from the corresponding second plate by the ambulacral plates II. a. 2 and IV. b. 2, some- times also IV. b. 3, which are prolonged backwards so as to join the ambulacral plates Lb. 1 and V. a. 1. The interambulacra 1 and 4 are much prolonged backwards, and the plates 1. a. 4 and 4. b. 4 have especially become very large; in the abactinal part these interambulacra have a forward direction, thus being in some way bent upon themselves (Fig. 10) — a feature which is carried to the extreme in (see Fig. 13. p. 74). In the interambulacrum 1 in the specimen from which the Fig. 10 was made the plate 1. a. 3 is abnormally divided into two; also the plate designated 1. b. 4 is evidently 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, booksubjectscientificexpedition
