. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. j'< wmm. ^fc". STRUCTURE IN BOTRYOCRINUS. Fig. 1. The anal area of B. decadactylus ; mainly from evidence of E 1419, B. M. (X 3.) Fig. 2. From the proximal part of the Ventral Sac of a large specimen of B. cucurbitaceus, from Bursvik, Gotland, in Riksmuseum, Stockholm. To show the folding, without perforation, of the plates. The distal end of the sac is beyond the left of the drawing. (X 6.) Fig. 3. Part of the ventral sac, as seen from the back, of a specimen of B. ra


. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. j'< wmm. ^fc". STRUCTURE IN BOTRYOCRINUS. Fig. 1. The anal area of B. decadactylus ; mainly from evidence of E 1419, B. M. (X 3.) Fig. 2. From the proximal part of the Ventral Sac of a large specimen of B. cucurbitaceus, from Bursvik, Gotland, in Riksmuseum, Stockholm. To show the folding, without perforation, of the plates. The distal end of the sac is beyond the left of the drawing. (X 6.) Fig. 3. Part of the ventral sac, as seen from the back, of a specimen of B. ramosissimus in Riksmuseum, Stockholm, which was figured in Angelin's ' Iconographia,' Tab. xxiii. fig. 14. (X 3.) Fig. 4. Ventral surface of arm of a large specimen of B. ramosissimus, from Follingbo, Gotland, in Riksmuseum, Stockholm. To show small, irregular covering-plates. (x -£.) Fig. 5. Distal part of stem of B. decadactylus, E 1412, B. M. To show irregularity of pentameres. (X 12.) Fig. 6. Root of B. decadactylus, E 1412, B. M. ( x 3.) imply that the sutures are, so far as the present stage of evolution is concerned, primitive structures. The same, it. 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 London, Taylor and Francis, Ltd


Size: 1547px × 1614px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology