﻿16 



ME. E. B. NEWTON ON A EOSSILIPEEOUS [vol. lxxii, 



Family Scaphandeld^e. 



SCAPHANDEE LIGNAEIUS (Linnaeus). 



Bulla lignaria Linna?us, 'Systema Naturae,' 10th ed. 1758, p. 727. 

 Scaphander lignarius Montfort, ' Conchyl. Syst.' 1810, vol. ii, pp. 334-35. 



Distribution. — Vindobonian (Austria, Holland, Italy) ; Redo- 

 nian (France) ; Plaisaneian and Astian (Italy) ; Bolderian to 

 Scaldisian (Belgium) ; Lenham Beds (Britain) ; Coralline and 

 Red Crags (Britain) ; Recent (Mediterranean and British Seas). 



PELECYPODA. 



Family Mytilidj£. 

 Aecopeena seeicea (Bronn). 



Modiola sericea Bronn, ' Italiens Tertiar-Gebilde ' 1831, p. 112; Philippi, 



' Enum. Moll. Sicilia; ' 1836, vol. i, p. 71 & pi. v, fig. 14. 

 Arcoperna sericea Sacco, ' Moll. Terz. Piemonte' 1898, pt. 25, p. 43 & pi. xii, 



figs. 8-9. 



Distribution. — Vindobonian (Austria, Italy); Messinian 

 (North Germany) ; Anversian to Scaldisian (Belgium) ; Coralline 

 Crag (Britain); Astian (Italy). 



Family Nuculidjf.. 

 Nucula nucleus (Linnaeus). 



Area nucleus Linnaeus, 'Systema Naturse ' 10th ed. 1758, p. 695; ibid. 

 (Gmelin) 1790, 13th ed. vol. i, pt. 6, p. 3314.. 



Distribution. — Vindobonian (Austria); Redonian (France); 

 Anversian to Scaldisian (Belgium) ; Coralline Crag to Post- 

 Pliocene (Britain) ; Recent (Mediterranean and British Seas, etc.). 



Nucula laevigata J. Sowerby. (PI. II. fig. 11.) 



Nucula laevigata J. So\verb3 r , ' Mineral Conchology ' vol. ii, 1818, p. 207 & 

 pi. exeii, figs. 1-2. 



Remarks. — This large and tumid Nucvdoid shell is of frequent 

 occurrence in the limestone, and in general features resembles 

 Nucula cobbolclice of J. Sowerby, but is without the divaricate 

 sculpture of that species. 



Distribution. — Vindobonian (Holland); Redonian (North- 

 Western France) ; Anversian to Scaldisian (Belgium") ; Coralline 

 and Red Crags (Britain) ; Astian (Holland). 



Family Nuculanidje. 



YOLDIA OBLONGOIDES (S. V. Wood). (PI. II, fig. 12.) 



Nucula oblongoides S. V. Wood, Mag. Nat. Hist. (Charlesworth), 1840, n. s. 



vol. iv, p. 297 & pi. xiv, fig. 4. 

 Leda myalis S. V. Wood, Monogr. Pal. Soc. (Crag Mollusca) 1851, p. 90 & 



pi. x, fig. 17, nan Couthouy. 



