. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . 1. Hiiiiruriii.* flriffillatiis, showing partly united siphons covered with li>athln>n; ::, Scrobicu- lni-iii /ii/i, ,-<it,i. in its natural ]MiMtinii in the sand, showing very Ions; tubular .siphons; A, exeur-rent siphon : /.. iiicurr-nt si]ilion. tin- iiiMiitlc lobes unite in order to form two are called the siphons. These SIPHONS Iii some cases the mantle lobes do not actually unite to formlar siplional openings, but in life the free maii
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . 1. Hiiiiruriii.* flriffillatiis, showing partly united siphons covered with li>athln>n; ::, Scrobicu- lni-iii /ii/i, ,-<it,i. in its natural ]MiMtinii in the sand, showing very Ions; tubular .siphons; A, exeur-rent siphon : /.. iiicurr-nt si]ilion. tin- iiiMiitlc lobes unite in order to form two are called the siphons. These SIPHONS Iii some cases the mantle lobes do not actually unite to formlar siplional openings, but in life the free maiit le-ed^es haveu way of adjusting themselves posterioi-ly to form fum-liuinilsi/ilimis without actually Coalescing. 1sually, however, the mantie Haps not only unite posteriorly to form true siphons, but arecapable at that point of varying decrees of protrusion from theshell, and when extended the siphons a
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
