120 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



78 to 147 apical denticles, with 9 to 13 transverse rows of basal 

 elements. 



D. XII, 9, I or 10, I, fourth spine 2% to 2% in head, first ray 8)2 to 

 3%; A. Ill, 8, I, second spine 3Ko, first ray 3/3; caudal 1% to 1%, 

 widely forked or lunate; least depth of caudal peduncle 3; pectoral 

 iKoto 1}^; ventral 1% to l%o. 



When fresh, back to lateral line dark yellow with broad blue band 

 along ridge extending into low^er dorsal. Body with number of 

 bright blue dots running into caudal base, dots larger and paler 

 below lateral line. Dorsal gamboge, tinged with pale violet. Eye 

 yellow, with blue streak over top and at side. Fins pale mauve-yellow, 

 with shades of pale violet. 



Natal coast. 



A.N.S.P. No. 53025. Natal coast, in 8 fathoms. H. W. Bell Marley. Length, 



246 mm. 

 A.N.S.P. No. 53036. Natal coast. H. W. Bell Marley. 1925. Length, 322 mm. 



Subgenus Taius Jordan and Thompson 



DENTEX ARGYROZONA Valenciennes 



Dentex argyrozona Valenciennes, Hist. Nat. Poiss., vol. 6, p. 235, 1830 (type lo- 

 cality: Cape of Good Hope). — Smith, Illustr. Zool. South Africa, Fishes, pi. 

 19, 1849 (east and west coasts South Africa). — Pappe, Synops. Edible Fish. 

 Cape of Good Hope, p. 21, 1853 (Cape market). — Gxjnther, Cat. Fish. Brit. 

 Mus., vol. 1, p. 368, 1859 (Cape of Good Hope, Cape Seas, False Bay). — 

 Castelnau, M^m. Poiss. Afrique Australe, p. 29, 1861 (Table and Simons 

 Bays). — Kner, Reise Novara, Fische, p. 63, 1865 (part). — Lampe, Deutsche 

 Sudpolar Exped., vol. 15, pt. 2, p. 234, 1914 (Simonstown) . — Gilchrist and 

 Thompson, Ann. Durban Mus., vol. 1, pt. 4, p. 356, 1917 (references). — 

 Thompson, Marine Biol. Rep. South Africa, No. 4, p. 81, 1918 (references). — 

 Fowler, Proc. U. S. Nat. Mus., vol. 56, p. 291, 1919 (Cape of Good 

 Hope). — VON Bonde, Fishes Marine Surv. South Africa, Spec. Rep. No. 1, 

 p. 22, 1923.— Barnard, Ann. South African Mus., vol. 21, pt. 2, p. 717, 1927 

 (Table, False Bays, Agulhas Bank, Algoa Bay, Natal, to 70 fathoms). 



Dentex macrodens Castelnau, M^m. Poiss. Afrique Australe, p. 30, 1861 (type 

 locality: Algoa Bay). 



Depth 2%; head 2%, width 2^. Snout 3Ko in head from snout tip; 

 eye 4:%, 1% in snout, 1% in interorbital; maxillary reaches opposite 

 front pupil edge, expansion % of eye, length 2% in head from snout 

 tip; teeth uniserial, 2 long canines in front of each jaw, large, curved, 

 lower pair smaller; upper inner band of villiform teeth all around, with 

 outer band of small even enlarged teeth; lower jaw with inner front 

 band of villiform teeth, followed each side of jaw with row of slightly 

 enlarged conic teeth; interorbital 3%, convex; greatest preorbital 

 width equals eye; preopercle entire. Gill rakers 10+ 17, lanceolate, % 

 of gill filaments, which 1^^ in eye. 



Scales 56 in lateral line to caudal base and 7 more on latter; 7 above, 

 15 below, 60 predorsal extend forward slightly before front nostril; 

 smaller on top of head, caudal base and in basal sheath of vertical 



