5 
Tlie species described from rocks of Carl)oniferoiis age in New South 
Wales are the undermentioned : — 
Pecten ptychotis, McCoy. 
* Aviculopecten consimilis {McCoy), De Koninch.^ 
" * * ,, dcpilis (McCoy), De Koninck. 
* ,, Knockonniensis {McCoy), De Koninck.^ 
* ,, Ilardyi, De Koninck.^ 
„ cingendus {McCoy), De Koninck.^ 
„ granosus {Sowerhy), De Koninck. 
* ,, Porbesi {McCoy), De Koninck.^ 
„ tessellatus {Philli'ps), De Koninck. 
Entolium, sp. 
The name in italics is a synonym ; those marked by an asterisk we 
have not seen, and do not deal with. 
^ Pecten, McCoy — Synop. Carb. Lime. Foss. Ireland, 184-1, p. 91, t. 15, f. 0 ; Aviculopecten, De Koii. — Rei li. 
Foss. Pal. Nouv.-Galles du Sud, Pt. 3, 1877, p. 154, t. 22, f. 6, 6^. 
■ Pecten, McCoy —Loc. cit-, p. 95, t. 17, f. 4 ; Aviculopecten, De Kon. — Loc. cit., p. 15G. 
^ Aviculopecten, Do Kon. — Loc. cit., p. 157, t. 22, f. 9. 
* Pecten, McCoy — Loc. cit., p. 90, t. 17, f. 11 ; Aviculopecten, De Kon. — Loc. cit., p. 158, t. 22, f. 8. 
* Pecten, McCoy — Loc. cit., p. 93, t. 15, f. 20; Aviculopecten, De Kon. — Loc. cit., p. 160. 
