ICHTHYOSAURID-E. 



39 



^Northamptonshire. The transverse diameter is 0,090, 

 and the length 0,034 ; the contour being similar to that 

 of the vertebra of /. trigonus, ^No. It. 9 (p. 25). 



Cunnington Collection. 



R. 8. The centrum of a large posterior dorsal vertebra ; from the 

 Kimeridge Clay of Stanton, near Bury St. Edmunds, 

 Suffolk. Purchased, 1880. 



32704 a. The centra of two caudal vertebra?, probably associated 

 with the cervical, Xo. 32704. Tesson Collection. 



41776 q. The centrum of a rather smaller caudal vertebra ; from 

 "Weymouth. Purchased, 1869. 



24684 j. The centrum of a still smaller caudal vertebra ; from 

 Wootton-Bassett. 



Cunnington Collection. Purchased, 1849. 



46473 g. The centrum of a caudal vertebra agreeing in size with 

 the preceding, but less narrowed superiorly ; from Pox- 

 hangers. Cunnington Collection. Purchased, 1875. 



41776 h. Three smaller associated centra of caudal vertebrae ; 

 from Weymouth. The faces are deeply cupped. 



Purchased, 1869. 



41776 i. The centrum of a larger caudal vertebra ; from "Wey- 

 mouth. The faces are nearly flat, with a deep pit in the 

 middle, as in ]S T o. 24684 j. Purchased, 1869. 



46473 h. A very similar centrum ; from Foxhangers. 



Cunnington Collection. Purchased, 1875. 



46473 i. A rather smaller centrum of similar type ; from Fox- 

 hangers. Purchased, 1875. 



24804. T\vo centra of small caudal vertebra? ; from the Kimeridge 

 Clay of Potterne, Wiltshire. 



Cunnington Collection. Purchased, 1849. 



24684 k. The centrum of a small caudal vertebra ; from Wootton- 

 Bassett. The faces are deeply cupped. Purchased, 1849. 



41255. A rib ; from the Portland Oolite of the Isle of Portland. 

 The double head is well shown. Purchased, 1869. 



41957. The left scapula of a comparatively largo individual ; from 

 the Kimeridge Clay of Weymouth. Purchased, 1870. 



