Rev. Mr. Berkeley on Modiola, S^c. 5^29 



This may perhaps be the animal indicated by Boie, as Seps 

 iiuiltUineata. 



The Scincus, n. 43. Gronovius, Zooph. p. 11., an animal 

 in the British Museum, figured by Scba, vol. ti. t. 12. f. 6., and 

 the Lacerta abdominalis of Thunberg, appear to belong to this 



Art. XXIIl. A short account of a new species o/Modiola, 

 and of the animal inhabitants of two British Serpulos, 

 Bj/ the Rev. M. J. Berkeley, 



MoDipLA Rhombea. 

 (Tab. Supp. XVIII. fig. 1. magnitudine nat. et Icnte aucta) 

 Mod. testa tenui, rhombeii, gibbosii, plicis Iransversis subcre- 



nulatis, postice obscuris, costisque longitudinalibus ; uml)onibus 



prominulis incuivis. 



A single specimen was dredged up at Weymouth, Aug. 1826, 



adhering by a Byssus to a large mass of slate. Length from the 



umbo to front margin, 2 lin. 



Serpula Akundo. 



(Tab. Supp XVIII. fig. 2. lentc bis aucta) 



Scrp. testa solitaria, vel fasciculata, primum repeiUi, costellis 

 qyatuor plus minusve obsolctis longitudinalibus, rugisquc inter- 

 mediis transversis; dcmum adscendente, transversim rugoso-striata. 



Animal, corpore elongato, depressiusculo ; postice attcnuato, 

 segmentis sub-nonagenis, ultimis ciliatis, albido-flavescente, fascia 

 longitudinal! obscuriore ; antice, arcii dorsali oblongu plumbca, 

 linea centrali fusco-nigrescente inter duas lineas fuscas ; sublus 

 linoa fusca inter duas fusco-nigrcscentcs ; pallio crispalo, utrinque 

 incarnato, antice virescente; fasciculis utrinque scpteni aurcis, quo- 

 rum anteriores confertiores ; subtcr (lucnique fasciculum, pallio 

 macula coccinea insigni ; branchiis duabus terminalibus, flabel- 

 latis ; digitationibus pennaceis numcrosis coccineis, f^sciis punc- 

 tisquc concoloribus vel albis ; operculo nullo. 

 Serpula Arundo. Turt. Conch. Diet. p. 155. 



