83 
Helodus (Lephodus) levis^ Davis. 
Yoredale Docks. Ley burn. 
J. W. Davis. Trans : Roy : Dublin Soo : [2] vol: i , pi : li., 
fig: 22, p. 407. 
Quart: Journ : Gieol: Soc ; vol: xl. (1884), pi : xxvii., fig : 2, 
p. 626 (tooth). 
Hyhodus delahechii^ Charlesworth. 
Lower Lias. Lyme Regis. 
A. S. Woodward. Ann: ,Rep: Yorks: Phil: Soo: 1888, 
pi: I., p. 58. 
Hyhodus ohtusus^ Ag: 
Coral Rag. N. Grrimston. 
H. M. Platnauer. Ann: Rep: Yorks: Phil: Soc: 1887, 
pi: I., fig : 15, p. 35. 
Hyhodus ohtusus^ Ag: 
Coralline Oolite. Malton. 
H. M. Platnauer. Ann : Rep : Yorks : Phil: Soo: 1887, 
pi: I., figs : 2, 4, 12, 14, p. 35 (detached teeth). 
Ischyodus incisus, E. T. Newton. 
Upper Greensand. Cambridge. 
Chimeeroid Fishes. Brit: Cret: Rocks. (Mem : Geol: Surv : 
Mono: IV.), pi: xii., fig: 9, p. 38. Left ramus of mandible. 
MegalichtJiys Hihherti, Ag: 
Yoredale Series. Leyburn. 
J. W. Davis. Quart: Journ: Geol: Soc: vol: xl. (1884), 
pi: xxvi, fig: 8, p. 633. 
Notidauus gigas, Sism: 
Red Crag. Woodbridge. 
A. S. Woodward. Geol: Mag: June, 1886, p. 255, fig: 1. 
Ann : Report Yorks : Phil: Soc : 1886, pi: I., fig : 4. 
Notidauus gig as, Sism: 
Red Cras*. Suffolk. 
A. S. Woodward. Geol: Mag : June, 1886, p. 256, fig : 2 
(woodcut), and Ann: Report Yorks: Phil: Soc: 1886, 
pi: I., fig : 5 (tooth). 
The specimen was figured as N. Menegheuii, Lawley. 
