548 
ACTINOPTERTGII. 
35770 -a. Two similar specimens, the first shown of nat. size in 
accompanying fig. 19 ; Sheppey. Purchased, 1860. 
P. 1909. Half of nearly similar plate; Sheppey. Egerton Coll. 
43104. Small but nearly similar plate ; Sheppey. Weiherell Coll. 
P. 3164. Imperfect concave (lower) plate described and figured by 
Cocchi, loc. cit. p. 99, pi. ii. fig. 1, and referred to 
Phyllodas marginalis, Agassiz {tom. cit. p. 240, pi. Ixix a. 
. figs. 8, 9), which is founded on a specimen in the Oxford 
Museum ; Sheppey. Ennishillen Coll. 
P. 589. Imperfect convex (upper) plate described and figured by 
Cocchi, loc. cit. p. 112, pi. iii. fig. 7, as the type specimen 
of Pliyllodus irregularis, which is mentioned by Agassiz, 
tom. cit. p. 241 (name only) ; Sheppey. Egerton Coll. 
33820. Fragment referred to the same species hy Cocchi, loc. cit. 
p. 112 : Sheppey. Bowevhank Coll. 
P. 3968. Imperfect concave (lower) plate, the t 3 ^pe specimen named 
Pliyllodus medius by Agassiz, tom. cit. p. 241, described 
and figured by Cocchi, loc. cit. p. 114, pi. ii. fig. 10 ; 
Sheppey. Enniskillen Coll. 
38810. Imperfect upper (convex) plate referred to P. medius by 
Cocchi, loc. cit. pi. ii. fig. 14 ; Sheppey. Boiuerhank Coll. 
P. 3989. Another specimen referred to P. medius by Cocchi, loc. cit. 
p. 115, pi. ii. fig. 11; Sheppey. Enniskillen Coll. 
P. 1908. Portion of upper (convex) plate described and figured as- 
P. medius by Cocchi, loc. cit. p. 115, pi. ii. fig. 12 ; Sheppey. 
Egerton Coll^ 
41719. More nearly complete similar plate ; Sheppey. 
Toulmin Smith ColL 
38807. Fine convex (upper) plate described and figured by Cocchi, 
loc. cit. p. 109, pi. iii. fig. 2, and referred to Phyllodus 
joetiolatus, Owen (Catal. Foss. Kept. & Pisces, Mus. Hoy. 
Coll. Surg. 1854, no. 675), which is founded on a speci¬ 
men in the Eoyal College of Surgeons (also figured in 
Owen’s Odontogr. 1841, pi. xlvii. figs. 1, 2); Sheppey. 
Bowerhank Coll. 
38813. Smaller specimen of same form described and figured by 
Cocchi, loc. cit. p. 109, pi. iii, fig. 5; Sheppey. 
B&werhank Coll. 
