THE YORKSHIRE COAST. 1?5 



Speeton clay ; 44, fimbriatus, 45, nitescens, lias ; 46, Calloviensis, 

 47, Duncani, 48, gemmatus,* Kelloways rock ; 49, flexicostatus,* 

 Kelloways rock ; 50. Lamberti, Speeton clay and coralline oolite ; 

 51, crenularis,* lias ; 52, planus, Speeton clay ; 53, anguliferus,* 

 marlstone. 



Section 2, with a crenated dorsal keel ; 1, lenticularis,* coralline oolite, 

 Kelloways rock, and lias ? 2, funiferus,* Kelloways rock ; 3, Cleve- 

 landicus, lias , 4, vertebralis, coralline oolite and calcareous grit ,- 



5, Hawskerensis, lia* ; 6, geometricus ?* lias ; 7> oculatus,* Oxford 

 day. 



Section 3, with a simple dorsal keel ; 1, subcarinatus, 2, Lythensis, 



3, Boulbiensis, 4, impendens, 5, Mulgraviensis, 6, exaratus, 7> e lc- 

 gans, 8, ovatus, lias ; 9, striatulus, lias and inferior oolite ; 10, 

 sigmifer,* lias ; 11, vittatus, lias; 12, Solaris,* coralline oolite; 

 13, Turneri, lias ; 14, in Kelloways rock; 15, obliquatus, lias; 

 16, 17 in inferior oolite. 



Section 4, with a dorsal keel between two furrows ; (the furrows not 

 always present when young;) 1, Walcottii, 2, Bucklandi, 3, obtusus, 



4, Redcarensis, lias. 



Handles, 1, maximus, 2, intermedius, 3, raricostatus, 4, rotundus, 5, attenuatus, 



6, alternates, 7> Beanii, 8, plicatilis, 9, Phillipsii, Speeton clay. 



REMAINS OF ANNULOSA. 



(TUBUiAIl UNIVALVE 



Serpula, 1, deplexa,* inferior oolite ; 2, capitata,* Has ; 3, red c/talk . 

 4, Speeton clay ; 5, squamosa,* coralline oolite ; 6, lacerata,* calca- 

 reous grit and Bath oolite ; 7> intestinalis,* Oxford clay and corn- 

 brash ; 8, Oxford clay ; 9, quadrata,* Bath oolite. 



Verjnicularia, 1, Sowerbii, Speeton clay; 2, nodus,* cornbrash and 

 Bath oolite ; 3, compressa, coralline and Inferior oolite, 



Dentalium, 1, Speeton clay ; 2, gigaiifevim,* lias, 



REMAINS OF CRUSTACEA. 



Astacus, 1, rostratus,* coralline oolite, Kelloways rock, and lias; 

 2, ornatus,* Speeton clay ; 3, Oxford clay and lias ? and others ? 

 in Speeton clay and coralline oolite. 



