Fig. 1. 
Fig. 2. 
Fig. 3. 
Fig. 4.. 
Fig. G. 
Fig. 7. 
Fig. 8. 
Fig. Q. 
Fig. 10. 
PLATE 23. 
Maccoyella refiecta , Moore, sp. ? Left valve much weather-worn. Walsh 
River. 
Do. Right valve of the same specimen with the deeply divided ear. 
Do. Two valves mechanically united although displaced (after Moore, 
Quart. Journ. Geol. Soc., xxvi. t. 12, f. 1). -J nat. [W.B.C.] 
Maccoyella umlonalis, Moore, sp ? Eight valve of a large example, an impres- 
sion in which the true shelly layers have been removed. 
Maryborough. It is possible that this may be a distinct 
species. | nat. 
Maccoyella refiecta , Moore, sp. Portion of a right valve, the radiating cost® 
obliterated by abrasion. Mount Abundance. 
Do. Hinge of the same specimen from the interior, with the cartilage 
furrows, byssal sinus, &c., visible. 
Do. The same, the hinge seen from above. 
Maccoyella ? substriata, Moore, sp. ? Probably the flat valve of Fig. 9. 
Ilughenden. 
Do. An inequilateral, somewhat oblique shell, with a long upwardly 
curved hinge. Hughenden. 
Maccoyella refiecta , var. Gilliatti, Ten. Woods. Right valve, with numerous 
close, radiating, and somewhat thick cost® (after Woods, 
Broc. Linn. Soc. N.S. Wales , viii., t. 12, f. o). Grey Ranges. 
