EEV. J. E. CROSS ON THE GEOLOGY OF N.W. LINCOLNSHIRE. 



123 



Gryph^ea-incurva Zone. 



Frodingham 

 Ammonites Bucldandi, Sow. 



semicostatus, Y. $ B. 



Conybeari, Sow. 



Nautilus striatus, Sow. 

 Belemnites acutus, Mill. 

 Pleurotomaria anglica, Sow. 

 Trochus, sp. 



Unicardium cardioides, Sow. 

 Cardinia Listeri, Sow. 



■ concinna, Sow. 



Pholadomya ambigua, Sow. 

 Modiola, sp. 



Avicula inaequivalvis, Sow. 

 Lima gigantea, Sow. 



Railw ay -cutting. 



Lima Hermanni, Voltz. 



dupla, Quenst. 



, small single-ribbed sp. 



Pecten textorius, Schl. 



, small ribbed sp. 



, small smooth sp. 



Pinna. 



Gryphsea incurva, Sow. 



Ostrea arietis, Quenst. 



Rhynchonella. 



Spiriferina Walcotti, Sow. 



Pentacrinus, 2 sp. 



Montlivaltia Haimei, Chap. 



Lower Lias. 



Scunthorp 



Ammonites Bucklandi ?, Sow. 



Conybeari, Sow. 



semicostatus, Y. Sf B. 



Brookii, Quenst. (non Sow.). 



aiireus, Bumortier. 



gmundensis, Bumortier. 



Boucaultianus, B 1 Orb. 1 sp. 



Scipionanus ?, Quenst. 



■ compressaries ?, Quenst. 



Nautilus striatus, Sow. 

 Belemnites acutus, Mill. 

 Pleurotomaria anglica, Sow. 

 Tancredia ferrea, n. sp. 

 Cardinia gigantea, Quenst. 



copides ?, RycTch. 



crassissima ?. 



Morrisi ?, Terq. 



, n. sp. 



Astarte dentilabrum, Ether. 



Ironstone. 



Cucullaea ovum, 

 Pholadomya ambigua, Sow. 

 Myoconcha Oxynoti, Quenst. 

 Modiola Oxynoti, Quenst. 



Morrisii, Oppel. 



Hippopodium ferri, n. sp. 

 G-ervillia betacalcis, Quenst. 

 Lima gigantea, Sow. 



, small variety. 



— Hermanni, Voltz. 



hettangiensis, Terq. 



dupla, Quenst. 



Pecten asqualis, Quenst. 



demissus, large, smooth (de- 



missaries nobis). 



texturatus, Gold/. 



Gryphsea incurva, Sow. 

 Carpenteria, sp. (Terquemia). 

 Spiriferina Walcotti, Sow. 



Clay below Tecten-bed. 



Ammonites raricostatus, Ziet. 



Taylori, Sow. 



polymorphus mixtus?, Quenst. 



lineatus, Schloth. ? 



— Loscombei, Sow. 



oxynotus numismalis, Quenst. 



natrix rotundus, Quenst. 



Henley i, Sow. 



Belemnites paxillosus, Schl. 

 clavatus, Schl. 



Myacites unionides, Rom. 

 Pholadomya ambigua (very large). 

 Sanguinolaria striata, Buckm. 

 Pinna folium, Y. $ B. 

 Plicatula spinosa, Sow. (small). 

 Gryphsea Maccullochi, Sow. 

 Spiriferina, sp., very rare. 

 Terebratula numismalis. 



numismalis ovalis, Quenst. 



Pentacrinus (very rare). 



Ammonites armatus, Sow. 



Henley i, Sow. 



Belemnites elongatus, Mill. 

 Unicardium cardioides. 

 Cardium multicostatum, Phill. 

 Cypricardia, sp. 

 Cyprina, sp. 



Tecten-bed. 



Cucullaea. 



Cardinia hybrida, Sow. 



Nucula. 



Myacites unionides, Rom. 



Goniomya (rare). 



Tancredia liassica, u. sp. 



Pecten, sp. (like sublsevie, Phill.). 



