38 1CHTHY0PTEKYGIA. 



44637. An associated series "of vertebral centra of a medium- 

 sized individual ; from the Kimeridge Clay of Weymouth. 

 This series comprises 7 middle dorsals, 6 posterior dorsals, 

 4 anterior caudals, and 23 from the middle of the caudal 

 region. The centra are of medium length ; the transverse 

 diameter of the middle dorsals exceeds the vertical ; and 

 the posterior dorsals and anterior caudals are narrowed 

 superiorly. Purchased, 1873. 



41236. An associated series of vertebral centra of a small individual ; 

 from the Kimeridge Clay of Weymouth. The cervicals 

 and dorsals have the transverse diameter longer than 

 the vertical ; and the caudals are somewhat narrowed 

 superiorly. Purchased, 1868. 



46794 d. Nine associated vertebral centra of a rather larger form ; 

 from the Kimeridge Clay near Devizes. The middle 

 dorsals have the faces nearly circular, deeply cupped, and 

 the length considerable. Gunnington Collection. 



46473 b. An associated series of nine caudal vertebrae of a small 

 individual ; from Foxhangers. One centrum belongs to 

 the anterior part of the series. Gunnington Collection. 



41776 e. Two associated centra of medium-sized middle dorsal 

 vertebrae ; from the Kimeridge Clay of Weymouth. The 

 transverse diameter rather exceeds the vertical. 



Purchased, 1869. 



41801. The imperfect centrum of a posterior dorsal vertebra of 

 medium size ; from the Kimeridge Clay of Ely, Cambridge- 

 shire. Purchased, 1869. 



24684 i. The centrum of a very similar posterior dorsal vertebra ; 

 from the Kimeridge Clay of Wootton-Bassett, Wiltshire. 

 Gunnington Collection. Purchased, 1849. 



48041. The centrum of a slightly larger posterior dorsal vertebra ; 

 from the Kimeridge Clay. 



Presented by Sir R. Owen, K.C.B., 1860. 



41776 f. The centrum of a very similar posterior dorsal vertebra; 

 from Weymouth. Purchased, 1869. 



46331. The ventral half of the centrum of an early posterior dorsal 

 vertebra ; from the Kimeridge Clay of Scend Hill, 



