. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . PLAT I; I AX , Canliimi iiiM^mmi. much reduced. •, Ciirdiuin la-vi^utum. I. ( :i i-d in in snl is! , .>. (.•inliiiin cortijs IVUIIIIL; s|Mcinicii). li (ll\ ciincris PELECYPODS 455 and C. quadrigena/rivm on the southern shores of California. The formeris a full, round, heart-shaped shell with about thirty somewhat scalyribs. The edge of the shell is deeply toothed; the color light brown-ish ; the diameter from two to three inches. It preserves all the feature
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . PLAT I; I AX , Canliimi iiiM^mmi. much reduced. •, Ciirdiuin la-vi^utum. I. ( :i i-d in in snl is! , .>. (.•inliiiin cortijs IVUIIIIL; s|Mcinicii). li (ll\ ciincris PELECYPODS 455 and C. quadrigena/rivm on the southern shores of California. The formeris a full, round, heart-shaped shell with about thirty somewhat scalyribs. The edge of the shell is deeply toothed; the color light brown-ish ; the diameter from two to three inches. It preserves all the featuresof the genus as regards both shell and anatomical characters. The other -ium, very strongly resembles C. n sze species, C. and shape. It lacksthe flattened area onthe posterior portionof the shell which ischaracteristic of theea-t-coast species, andits uniform brownish-white coloration is lessstriking. It has aboutforty regularly spaced,radiating ribs, whichare smooth upon theumbonal region, butelsewhere are armedwith spiny about six in-ches. (PlateLXXXIV.)C. it*l<fii<lhHin,
Size: 2504px × 998px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
