258 SATJKOPTE-RYGIA. 



R. 255. Slab showing the palatal aspect of a similar mandible ; pro- 

 bably from Lyme-Eegis. Egerton Coll. Purchased, 1882. 



R. 1316. An imperfect cervical vertebra from the hinder part of the 

 [Fig.) neck; from the Lower Lias of Charmouth, Dorsetshire. 

 Figured by Owen, op. cit. pi. iii. figs. 4-6. This specimen 

 closely resembles the 27th cervical of No. 36183, and is 

 indistinguishable from the later cervicals of No. E. 1315. 

 The dimensions of the centrum are : — length 0,035 (1*36 

 inches), height 0,032 (1*25 inches), width 0,040 (1-66 

 inches). The heads of the ribs are attached to the 

 centrum. Wo history. 



37396. A crushed cervical vertebra of similar type; from Lyme- 

 Eegis. Purchased, 1863. 



33287. An imperfect dorsal vertebra, referred by Owen to this 



{Fig.) species ; from Charmouth. Figured by Owen, op. cit. 



pi. iv. figs. 1, 2. Purchased, 1858. 



E. 1316 a. A series of cervical, dorsal, and caudal vertebrae associated 

 with No. E. 1316. No history. 



R. 1316 b. Two caudal vertebras associated with the preceding. 

 {Fig.) Figured by Owen, op. cit. pi. iv. figs. 3-8. No history. 



2054*. An imperfect cervical vertebra in a somewhat crushed con- 

 dition ; from Lyme-Eegis. Hawkins Collection. 



23175. An imperfect immature late cervical vertebra, probably 

 belonging either to this or the next species; from Lyme- 

 Eegis. The dimensions of the centrum are: — length 0,301 

 (1-2 inches), height 0,026 (1-02 inches), width 0,034 

 (.1-35 inches). This specimen differs from the cervicals 

 noticed as P. hawkinsi (p. 265) by its relatively longer 

 centrum ; its smoother surface as compared with the pre- 

 ceding specimens may indicate reference to P. eleuther- 

 axon. Purchased. About 1849. 



33288. A laterally crushed late cervical vertebra which may belong 

 to this species ; from Lyme-Eegis. The relatively long 

 antero-posterior diameter may not improbably be due to 

 pressure. Purchased, 1858. 



R. 983. An imperfect middle dorsal vertebra probably belonging to 

 this species ; from Lyme-Eegis. The neural spine and 

 the greater part of the right transverse process are want- 

 ing. The dimensions of the centrum are : — length 0,034 



