Rev. Mr. Berkeley on Modiola^ 8fc, 229 



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

 muUilineata, 



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

 in the British Museum, figured by Seba, vol. ii. t. 12. f. 6., and 

 the Lacerta abdominalis of Thunberg, appear to belong to this 

 genus. 



Art. XXIIT. A short account of a new species ofModiola^ 

 and of the animal inhabitants of two British Serpulce, 

 By the Rev, M. J. Berkeley. 



Modioli Rhombea. 

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

 Mod. testa tenui, rhombea, gibbosa, plicis transversis subcre- 



nulatis, postice obscuris, costisque iongitudinalibus ; umbonibus 



prominulis incurvis. 



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 Auundo. 



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



Serp. testa solitari^, Tel fasciculata, primum repenti, costellis 

 quatuor plus minusve obsoietis Iongitudinalibus, rugisque inter- 

 mediis transversis; demum adscendente, transversim rugoso- striata. 



Animal, corpore elongato, depressiusculo ; postice attenuato, 

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

 longitudinali obscuriore ; antice, area dorsali oblonga plumbea, 

 linea centrali fusco-nigrescente inter duas lineas fuscas ; subtus 

 linea fusc^ inter duas fusco-nigrcscentes ; pallio crispato, utrinque 

 incarnato, antice virescente; fasciculis utrinque septem aureis, quo- 

 rum anteriores confertiores ; subter quemque fasciculum, pallio 

 macula coccinea insigni ; branchiis duabus terminalibus, flabel- 

 latis ; digitationibus pennaceis numerosis coccineis, fasciis punc- 

 tisque concoloribus vel albis ; operculo nullo. 



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



