252 
THE MIDDLE LIAS OF NORTHAMPTONSHIRE. 
CO 
3 
c3 • 
-«-> <D 
00 
1 ® 
Name. Authority. 
•g g 
c3 O 
t*N 
M 
a 
a 
s§ 
'P.N 
02 
Unicardium subglobosum, Tate 
X 
X 
Tancredia Lingonensis, D amort. 
Walford 
Lithodomus sp. (?) 
Beesley 
X 
Pholadomya ambigua, Sow. 
X 
X 
,, Simpsoni, Tate 
X 
,, obtusalis, Simp. 
X 
Goniomya heteropleura, Agassiz 
X 
,, liybrida 
Beesley 
X 
Gresslya donaciformis, Phil. 
X 
,, lunulata, Tate 
X 
,, Seebachii, Brauns 
X 
,, intermedia, Simp. 
X 
X 
Pleuromya liasina, Schub. 
X 
,, costata, Y. & B. 
X 
X 
Ceromya petricosa, Simp. 
X 
X 
,, bombax, Quenst. 
Isocardia liassica, Moore (? Ceromya petricosa) 
X 
,, Slatteri, Walford 
Walford 
X 
Arcomya arcacea, Seeb. 
X 
,, concinna, Tate 
x(?) 
,, liispida, Simp. 
X 
,, vetusta, Bean. 
Brachiopoda. 
Lingula Beanii, Phil. 
Beesley 
X 
X 
Crania Griffini, Dav. 
Beesley 
X 
Thecidia (?) 
Walford 
Spiriferina Walcotti, Sow. 
Beesley 
X 
,, rostrata, Schl. 
X 
,, oxygona, E. Desl. 
X 
Terebratula punctata, Sow. 
X 
,, punctata, var. Radstockiensis, Dav. 
X 
,, subpunctata, Dav. 
X 
,, Edwardsi, Dav. 
X 
,, Walfordi, Dav. 
X 
,, Bakeriae, Dav. 
Davidson 
X 
Waldkeimia resupinata, Sow. 
X 
,, indentata, Sow. 
X 
,, cornuta, Sow. 
X 
,, subnumismalis, Dav. 
X 
,, florella, cl'Orb 
Walford 
X 
,, Marise, (?) d'Orb 
Walford 
X 
,, Darwini, Desl. 
Walford 
Rhynchonella tetrahedra, Sow. 
X 
,, tetrahedra, var. Nortli- 
amptonensis, Walker 
X 
,, tetrahedra, var. Bumble 
tonensis, Dav. 
Walker 
X 
,, subconcinna, Sow. 
X 
,, variabilis, Schl. 
X 
,, acuta, Sow. 
X 
,, rimosa, Von Bucli. Geol. Survey 
X 
,, capitulata, Tate 
Walford 
X 
XX X XXXXXX XX Transition 
Bed. 
