Illustrations of the recent conchology of Great Britain and Ireland, with the description and localities of all the species, marine, land and fresh water

122 MOLLUSCA. (SERPULACEA. arcuated and sharp points; whole exterior suríace irregularly wrinkled, both longitudinally and transvcrscly, and of a deep purplish rosy hue on thc higher portions. Fig. 14, 15, thc operculum. Found by Dr. Leach, cnveloped in spongc, on the Devon- shirc coast, anc! is not uncommon. S/iells with a bivalve op1rrculu111. GENUS 3~CLITIA,-Leach. Shell a depiessed, irrcgularly-shaped cone, attached by the base, and consisting of four uncqual, dissimilar valvcs, two largcr and two smaUcr, latcrally united by the interlocking of their <lcntatcd margins; apcrturc somcwhat trapcziform, laterally placed, nnd entirely fiUed by a bipartito operculum, onc of the picccs of which is irrcgularly quadrate, and the other nearly triangular. J . CLITIA VERRUCA, pi. LIII, f. 30. Ci·eusia ve1·1-uca, First Ed., pi. 7, f. 30; Lamarck, V, p. 400; Lepas verruca, Chemnitz, Conch., VIII, pi. 98, f. 834 ; L epas st,·iata, Pennant, IV, p. 73, pi. 38, f. 7 ; L epas inte,·tc:1:la, Donovan, I, pi. 36, f. l ; Maton and Rackett, p. 26 ; Balanus sti•iata, Montagu, p. 12. Shcll much dcpressed, white; compartmcnts strongly ribbed diagonally, ami oblique to each othcr; thc ribs with fine, tran,- verse strire; margin of the base irrcgularly scrrated; aperturc pretty large, oblique, and quito closed by thc operculum. Dia- rneter a quarter of an inch, somctimes a littlc more. Found adhcring to she11s, stones, &c., on many of the British and Irish coasls; very common in many localities. CLASS FOURTH. ANNELIDES. Animal ,~ith ~ _more or lcss clongated body, having red blood, ami 111hab1t111g a tcstaceous tubc, with which, howevcr, they havo no muscular adhcsion, but from which they never depart during life. ORDER !.-SED ENTARIA. ~nima_ls p~otccted b~ a tcstaccous tube, which they ncvcr lca1c durmg hfc ; branclu¡o placed at onc cxtrcmity of the body. FAMILY l.-SERI'ULACEA, Tubc solid, calcareous, ancl adhercnt to other bodics. GENUS 1,-SERPULA,-Linnreus. ~hell tubu~ar, narrow, gradually widening towards the aper- 11110, aud _pomtcd l~wards thc apcx; attached irregularly to other bod1cs ; somctunes wound spira1ly. kceled . b . d 1 . , , 1m ricate , ~r b)> ain; a~erturc rouurl, for the most part, or angulated in thc l'Jb ed spec1cs. Scctio1i I -Sl1ells pa,•tiall11 att.tcl1ed to e.•·t-aneo b a· d . . e, ,O , us o ICS m1 11~ some 111stanccsfree. ' 1. SERPULA TUUULARIA, pi. LV, f . 9, 10. Sc11mla tubulm·ia, First Ed pi 2 f g lo )\f - 13 Fl . , ., . ' . , ; , ontagu, P· ;, ; • cmmg, Ediu. Ency., VII, Art. Couch., P· 67 pi 204 f. 9; Brown, Ency. Brit., VI, P· 468. ' · ' ~hell '.·ouud, ir~cgularly flexous, gradually tapcr ing, opaque, wh1te, shghtly wrrnklcd transversely; always adhering by thc smaller end to stones or other extrancous bodics • asceudincr in • ' 0 a cons1derable anglo from thc base, in sorne iustauces ncarh· perpendi_cularly, and in most instances almost straight. · Inhab1ts ~he sea at Torcross, Devonshire, Zetlau<l, and is not uncommou m the Clyde at Rothesay, and other places in the esluary of that rivcr. 2. SERI'ULA CONTORTA, pi. LV, f. 4. Sc,-pula conto,·la, First Ed., pi. 2, f . 4 . Shcll round tube ·•rre ¡ 1 1 . . , gu ar y contortct sh ,.htly sp1ral ami hardly tapcrin<> unattacl d. 1 . ' . "'. ' . "' 1e , cream-w 11te, w1th 1rre,,ular, trans- verse wrmkles. " Found at Dunbar, by General Bingham. 3. SERI'ULA Sl'IRALIS, pi. LV, f. 6. Se1·pula s,?iralis, First Ed., pi. 2, f. G. Shell a sp1ral subtrian ¡ t b . . 1 . '. ' gu ar u e, w1th a carinated ri clcrc nlo1w 1 s superior porl1on whi 1 · . 0 " subt .· 1 ' e I proJccts m a looth-likc form ovcr thc 1iangu ar apcrlurc. Founcl at Dunb b G . ar, Y eneral Bmgham. 4. SEnrutA PERVERSA, pi. LV, f. 7. Se,·puln pci·vc1·sa, First Ed 11I 2 f - SI 11 ., . ' . , . ie a reversed s iir I b . rid"e aloncr •¡ _ I ª' su tnangular tube, wilh a carin~lctl o o I s superior port' l . . ture, which · r. 1 _•on, ali( proJcctmg beyond the nper· is s ig itly subtnangular. Fouud at Dunbar, by General llingham.