280 
THE MIDDLE LIAS OF NORTHAMPTONSHIRE 
worked recently. To the north-east of the village there is a 
small quarry, called the Rectory Pit, presenting the following 
section :— 
Rectory Pit, Middleton Cheney. Feet in. 
1. Soil ... ... ... ... ... ... ... 1 0 
Upper Lias . 
2. —Marly clay, light coloured, with pieces of white 
limestone in it—the remains of the Upper 
Cephalopoda Bed ; small Ammonites of the 
planulate group abundant ... ... ... 2 0 
3. —White limestone, containing many Belevmites and 
Ammonites , the latter chiefly of the falcifer 
group; also Nautili, &c. (The Lower Cepha- 
lopoda-Bed) ... ... ... ... ... 0 G 
4. —Shale or clay containing a few Belemnites... ... 0 1 
5. — Sandy limestone—(F ish-Bed) ... ... ... 0 4 
Middle Lias . 
6. —Grey marl, containing Ammonites acutus , A. 
Holandrei , &c. ... ... ... ... ... 0 2 
7. —Marlstone Rock-Bed, with the usual fossils :— 
Bands of Rhynclionella tetrahedra , Waldheimia 
resupinata, Ossicles, &c. 
In an adjacent field is another Marlstone pit, which, 
having been more recently worked, presented a better section 
of the rock-bed. The section was as below :— 
1. —Soil, with fragments of the Lower Cephalopoda-Bed 
containing the usual fossils, and also the rarer ones 
lihynchbnella jurensis ? and Dentalium liassicum. 
2. —Red clay ; true transition-bed indifferently shown. 
3. —Rock-Bed, rubbly, weathered surfaces rather red, most 
of the fossils particularly large. Belemnites, Pecten 
eequivalvis, P. liasinus, Hinnites, Plicatula spinosa, 
Pihynchonella tetrahedra, Terebratula punctata, Bands of 
Ossicles, Pebbles, dc. 
Near the above, and beside the road leading across the hill 
to Chalcomb is another small pit showing only the rock-bed, 
and that not very well. The following fossils were noticed— 
Pecten eequivalvis, Plicatula spinosa, Terebratula Kduardsi, 
Pihynchonella fodinalis, Pi. tetrahedra, Ossicles, Pebbles, dc. We 
were informed that the Wesleyan chapel at Chalcomb was 
built with stone obtained here. 
On the top of the hill, towards Chalcomb, the rock-bed 
forms the subsoil, and pieces of the rock are plentifully 
