SCOMBBIDiE. 
455 
Thynnus thynnus (Linnaeus). 
17.58. Scomber thynnus, Linnaeus, Sy.it. Nat. ed. 10, p. 297. 
31. Thynnus vulgaris, Cuvier & Valenciennes, Hist. Nat. Poiss. 
T °b v iii. p. 58, pi. ccx. 
00. Thynnus thynnus, A. Gunther, Catal. Fishes B. M. vol. ii. 
P- 362. 
1890-91. Thynnus thynnus, E. T. Newton, Geol. .Mag. [3] vol. vii. 
p. 2(4, & Vert. Pliocene Deposits, Britain (Mem. Geol. Surv.), 
P- 91, pi. ix. fig. 8. 
T VPe. Recent fish. 
The type species, attaining a length of 3 to 4 metres. Length of 
ead with opercular apparatus slightly exceeding maximum depth 
^ trunk, which is contained about four times in total length of fish. 
ertebrse 16 in abdominal, 23 in caudal region. Pectoral fins, 
w hen adpressed, nearly reaching end of anterior dorsal, which 
comprises 14 spines ; posterior dorsal with 1 spine, 13 articulated 
I** 8 ’ an d 9 finlets ; anal fin with 2 spines, 12 articulated rays, and 
8 finlets. 
Form. § Toe. Pleistocene (Forest Bed Series): Norfolk. 
8 73, . Abdominal vertebra described and figured by E. T. Newton, 
loc. cit. ; Forest Bed, East Itunton. Savin Coll. 
36168-69. Two larger vertebral centra ; Hasbro’. Layton Coll. 
Thynnus scaldisi. Storms. 
18 90. Thynnus (Orcynus) scaldisii, 11. Storms, Bull. Soc. Beige Gdol. 
v °f iii. Mem. p. 175, pi, vii. figs. 17-23. 
890. Thynnus scalclisiensis, A. S. Woodward, Ann. Mag. Nat. Hist. 
[6] vol. v. p. 294. 
1891 . Thynnus scaldiensis, E. T. Newton, Vert. Pliocene Deposits 
Britain (Mem. Geol. Surv.), p. 90. 
Fype. \ ertebnc ; Brussels Museum. 
.... 8lj mewhat smaller than the type species, known only by vertebrae. 
6 cen ^ ra behind the 30th are longer in proportion to their width 
ai1 in the latter species. 
Form. <$• 2,oc. Lower Pliocene : Antwerp ; Suffolk. 
®4f>3. Caudal vertobra, described by A. S. V oodward, loc. cit . ; 
Coralline Crag, Aldborough, Suffolk. 
Presented by Searles V. Wood, Esq. 
**• 5583. Smaller caudal vertebra, described ibid . ; Coralline Crag, 
Suffolk. Harford Coll. 
