668 — 
Vermettispolygonalis Sow.—Sand- Vermicularia concava Sow. — 
gâte. Wéstbury. 
S) Argile de Speeton. 
Ammonites rotula Sow. — Yorkshire. 
JB. Système oolitique. 
4) Formation weldienne. 
Cyclas media Sow. — Susses. 
- membranacea Sow. — Pun- 
field. 
Paludina carinifera Sow. — Sus» 
sex. 
- elongata Sow. — Ile de 
Wight. 
Unio adunca Sow. — Tilgate. 
- antigua Sow. — Tilgate. 
- compressa Sow. — Tilgate. 
- cordiformis Sow. — Tilgate, 
- prarecta Sow. — Tilgate. 
Vivipara ( Paludina ) fluviorum 
Sow. — Sussex. 
2) PORTLANDIEN. 
Ammonites biplex Sow. — Suf- 
folk. 
- Brodiœi Sow. — Ile de Port- 
land. 
- concavus Sow. — 
- cordatus Sow. — Shotover. 
- excavatus Sow. — Shotover. 
- giganteus Sow. — Tilbury 
(Wiltshire). 
- omphaloides Sow. — Port- 
land. 
» plicatilis Sow. — Dry-Sand- 
ford. 
~ vertebralisSov/.— Dry-Sahd- 
ford. 
Astarte cuneata Sow. — Tisbury 
Cardium dissimile Sow. — Pur- 
bcck, Tisbury. 
Lntraria ( Pholadomya ) ovalis 
'Sow. — Porlland. 
Modiola aliformis Sow. — San- 
down. 
- pallida Sow. — Fonthill. 
Nerita sinuosa Sow. —• Chil- 
màrk. 
Ostrea expansa Sow. — Tisbury. 
- macroptera Sow. — 
- tenera Sow. — Woolwich. 
Pecten lamellosus Sow. — Chicks- 
grove. 
Pholadomya œgualis Sow. —Wey- 
mouth. 
Plagiostoma rigidum Sow. — 
- rusticum Sow. — Shoto¬ 
ver. 
Trigonia gibbosa Sow. -- Tis¬ 
bury. 
Turrilella excavata Sow. — Tis¬ 
bury 
