PLATE XY. 
Pig- Page 
1. Onychodus anglicus , A. S. Woodw.; section of presym- 
physial bone, with bases of teeth, twice nat. size.— 
Lower Old Bed Sandstone ; Bush Pitch, Ledbury. 
' ' */ 
[P. 6252.] 393 
2. Amblypterus traquairi , sp. nov.; lateral aspect, nearly 
three-quarters nat. size.—Lower Permian ; Lebach. 
[P. 994, P. 3457.] 439 
3. Acrolepis wilsoni , Traq.; scale, outer aspect, twice nat. 
size.—Airedale Bocks; Belper. [P. 5329.] 507 
4. Acrolepis (?) digitata, sp. nov. ; scale, outer aspect, twice 
nat. size.—Karoo Formation ; Graaf Beinet District, 
Cape Colony. [47080.] 509 
5. Plaiysomus gibbosus (Blainv.); portion of small trunk, 
lateral aspect, showing pelvic fins.—Marl Slate ; Midde¬ 
ridge. [P. 1606.] 545 
