CESTKACIONIIDJE. 
309 
39473-4. Basal halves of two spines, with very numerous elongated 
tubercles ; Lower Oxford Clay, Christian Malford, Wilt- 
shire. Purchased, 1865. 
P. 461-2. Two specimens figured hy Agassiz, tom. at. pi. viii. 
figs. 7, 8 ; Kimmeridge Clay, Shotover, near Oxford. 
Egerton CoU. 
43157. Nearly complete spine, the exserted portion 0'225 in length ; 
Kimmeridge Clay, Shotover. WetJiereU Coll. 
P. 2545. Imperfect larger spine, the exserted portion about 0'35 
in length ; Kimmeridge Clay, Ely, Cambridgeshire. 
Ennislillen Coll. 
P. 2860 a. Portion of smaller spine ; Kimmeridge Clay, Ely. 
Enniskillen Coll. 
40318. Distal third of small spine ; Kimmeridge Clay, Hartwell, 
Buckinghamshire. Purchased, 1867. 
46330. Two fragments ; Kimmeridge Clay, Devizes, W iltshire. 
Cunnington Coll. 
47331. Several small fragments ; Kimmeridge Clay, Swindon, 
Wiltshire. 
Presented hy the Swhulon Brick and Tile Co., 18/6. 
50091. Fine, nearly complete spine, measuring 0'43 in length ; 
Kimmeridge Claj’, Weymouth, Dorsetshire. 
Purchased, 1879. 
45924. Fragment of spine, showing very long base ; Kimmeridge 
Cla}’, Weymouth. Purchased, 1874. 
48162. Small spine, nearly complete and well-preserved, some of 
the tubercles fused into short ridges; Kimmeridge Clay, 
Sandsfoot, near Weymouth. Purchased, 187/. 
P" 156. Much abraded small spine, the distal extremity broken 
away and the preserved termination thus deceptive in 
form, figured b}' Damon, op. cit. ; Kimmeridge Clay, M ey- 
mouth. Purchased, 1881. 
P- 2860. Incomplete small, very robust spine ; Kimmeridge Clay, 
Weymouth. Enniskillen Coll. 
P- 4682. Distal portion of small spine ; Kimmeridge Clay, Wey- 
mouth. Presented by C. Westendarp, Esq., 1884. 
