MYLIOBATTDiE. 
113 
P. 4457 b. Connected series of five median teeth, and two lateral 
rows, unabraded; very young individual. 
Enniskillen Coll. 
25662. Small crushed median teeth, with three first laterals. 
Dixon Coll. 
38849. Connected series of six median teeth, with abraded surface. 
Bowerbank Coll. 
40257, 40312-3. Four examples of median teeth in series; the 
second and third specimens are noticed, loc. cit. p. 44. 
Edwards Coll., and Purchased, 1867. 
25643. Connected series of seven large median teeth, probably re¬ 
ferable to this species. Dixon Coll. 
P. 1501. Type specimen of M. punctcitus , Agassiz; Barton Clay, 
Barton Cliff, Hampshire. The punctated coronal surface 
owes its characters to post-mortem abrasion, and the pro¬ 
portions of the teeth agree with those of M. striatus. 
Ecjerton Coll. 
P. 1505 c, P. 1507 e. Seven examples, very young. Ecjerton Coll. 
P. 1502. Two examples, one showing seven median plates, with 
first lateral row; noticed by the present writer, loc. cit. 
p. 44. Ecjerton Coll. 
P. 3046. Connected series of six median teeth ; Barton Clay, Barton 
Cliff. Enniskillen Coll. 
P. 3047. Connected series of six median teeth, showing unworn 
surface; noticed, loc. cit. p. 44. Enniskillen Coll. 
40253. Fragments of four median teeth ; Alum Bay, Isle of Wight. 
Edwards Coll. 
P. 5388. Two abraded specimens, retaining part of the original 
coronal surface, one showing portions of two lateral series 
of teeth. Presented bj P. E. Coornbe , Esq., 1888. 
Lower Dentition .—Braeklesham Beds, Bracklesham Bay. 
P. 433. Type specimen of M. irregularis, Dixon. 
Purchased , 1882. 
25665-7. Three adult examples, showing two lateral rows in ad¬ 
dition to median teeth ; the second and third are noticed 
by the present writer, loc. cit. p. 43. Dixon Coll. 
i 
