. The Canadian record of science. Natural history. Heteromeyenia A.—Skeleton spicule. B.—Long statoblast spicule. C.—Short statoblast spicule. Dermal spicules absent or undiscovered.—Birotulates of the longer class surrounding the gemmules, rather numerous, one half longer than the others ; shafts conspicuously fusi- form or largest at the centre, where are frequently found one or more long spines ; their rotules consist of three to six irregularly placed rays, recurved at the extremities. —Birotulates of the shorter class abundant and compactly placed around the gemmule; shafts


. The Canadian record of science. Natural history. Heteromeyenia A.—Skeleton spicule. B.—Long statoblast spicule. C.—Short statoblast spicule. Dermal spicules absent or undiscovered.—Birotulates of the longer class surrounding the gemmules, rather numerous, one half longer than the others ; shafts conspicuously fusi- form or largest at the centre, where are frequently found one or more long spines ; their rotules consist of three to six irregularly placed rays, recurved at the extremities. —Birotulates of the shorter class abundant and compactly placed around the gemmule; shafts mostly smooth, though sometimes bearing a single spine; irregularly cylindrical, but rapidly widening to support the rotules, which are. 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 Natural History Society of Montreal. Montreal, Natural History Society


Size: 1956px × 1277px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdec, booksubjectnaturalhistory, bookyear1884