. The Canadian naturalist and geologist. Natural history -- Periodicals. Fig. 5. Fig. 4. 3. Chonetes Nova-Scotica. N. sp. Fig. 2. Shell semielliptical, width varying from once and a half to nearly twice the length. The ventral valve variably convex, and often showing a flattened or slightly concave space down the middle of the shell; cardinal margin ornamented by four or five minute spines on each side of the beak; cardino-lateral margins often a little wrinkled; surface finely striated, strise flexuous, dichotomising and increasing by interstitial addition, so that there are more than one hun
. The Canadian naturalist and geologist. Natural history -- Periodicals. Fig. 5. Fig. 4. 3. Chonetes Nova-Scotica. N. sp. Fig. 2. Shell semielliptical, width varying from once and a half to nearly twice the length. The ventral valve variably convex, and often showing a flattened or slightly concave space down the middle of the shell; cardinal margin ornamented by four or five minute spines on each side of the beak; cardino-lateral margins often a little wrinkled; surface finely striated, strise flexuous, dichotomising and increasing by interstitial addition, so that there are more than one hundred on the margin of the shell; strise increasing in size below the umbo; concentric strise fine, close, rounded and slightly undulating. Dorsal valve moderately concave ; strise much stronger below the middle of the shell and sometimes bifurcating toward the 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, Dawson
Size: 1355px × 1844px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthornaturalh, bookcentury1800, bookdecade1860, bookyear1860
