WILTSHIRE OX THE RED CHALK OF ENGLAND. 277 



I I 1= 



Pecten Beaveri x 



Sow. 31. C. tab. 158, page 131. 



(In the collection of Mr. Rose.) 



Spondykis latus x x 



Sow. M. C. tab. 80, fig. 2, page 184. 



(In the collection of ]Mr. Rose and Author.) 



Ammonites alternatns ? x 



Woodward, Geol. Norfolk, tab. 6, fig. 23. 



Ammonites complanatus x 



Sow. M. C. tab. 567, fig. 1. 



(In the collection of Mr. Rose.) 



A. rostratus x 



Sow. M. C. tab. 173, page 163. 



(In the cellection of 3Ir. Rose.) 



A. serratus, Parkinson x 



Sow. IM. C. tab. 308, page 3. 



(In the collection of ^Ir. Rose.) 



Belemnites attenuatus x 



Sow. M. C. tab. 598, fig. 2, page 176. 



(In the collection of Author.) 



B. minimus x x x 



Sow. M. C. tab. 598, fig. 1, page 175. 



(In the collections of JNIessrs. Bowerhank, Bean, Rose, 

 Wetherell, and Autlior.) 



Belemnites Listeri x 



Pliil. Geol. York. tab. 1, fig. 18. 



(In the collection of Author.) 



B. ultimus, D'Orb x 



Sharpe, Chalk Moll. tab. 1, fig. 17. 



(In the collections of Mr. Bean and Author.) 



Nautilus simplex x x 



Sow. M. C. tab. 122, page 122. 

 (In the collections of Mr. Rose, Mr. Wetherell, and Author.) 



Otodus appendiciilatus x 



Ag. vol. iii. page 270, tab. 32. 



(In the collection of jMr. Wetherell.) 



Tooth of Saurian x 



(In the collection of jMr. Bean.) 



Vertebra of Polyptychodon ( /) x 



(In the collection of Author. ) 



Siphonia pyriformis is probably the head of Spongia paradoxica. In the cabinet 

 of jNIr. Rose is a mass of the latter, to which a head similar to the one figured is 

 attached. 



Bourgueticrinus ragosus. The diameter of the specimen figured is f of an inch, 

 the depth of each plate The surface of attachment is covered with very fine 

 mamillae, in rays of seven in number ; a smaller specimen in possession of the 

 author measures | of an inch in diameter and | in depth. 



The serpula represented in Plate III. fig. 3 varies in its irregular growth from 

 the specimens figured on the same plate. This character perhaps can scarcely 

 be regarded as a specific difference ; both V. elongata and the serpula under con- 



VOL. II. Y 



