Under the seven arches in the Nottingham Meadows 

 the shells procured are Planorbis carinatus, P. vortex, 

 Bithinia Leachii, B. tentaculata, Ancylus oblongus, 

 Limnoeus pereger,and C)'clas cornea. 



In the river Trent, at Beeston Rylands are the follow- 

 ing:— Pisidium pusillum, P. amnicum, Cyclas cornea' 

 C.rivicola, Anodonta cygnea,Unio tumidus,U.pictorum, 

 Valvata piscinalis, Planorbis carinatus, P. vortex, Lim- 

 noeus pereger, L. stagnalis, L, paiustris, Bithinia tenta- 

 culata, Ancylus fluviatilis, Physa fontinalis, Nerilina 

 liuviatilis, and Paludiua vivipora. 



In the lake at Highfield House are, Anodonta 

 cygnea, Unio pictorum, Dreissena polymorpha, Lim- 

 noeus auricularius, Planorbis aibus, P. nitidus, P. im- 

 bricatus, and P. vortex. 



On the bogs at Oxton, Helix fulva, H. hispida, H. 

 pulchella, H. rotundata, Zonites nitidus, Z. purus, 

 Arion flavus, Vitriua pellucida, and Zua lubrica. 



At Radford Grove are: — Anodonta cygnea, Cyclas 

 cornea, Pisidium pusillum, Bithinia tentaculata, Val-, 

 vata cristata, V. piscinalis, Succinea putris, Limnceus 

 . pereger, L.stagnalis, Physa fontinalis,Ancylusoblongus, 

 Planorbis albus, P. vortex, P. carinatus, P. marginatus, 

 P. nitidus, and P. contortus. 



Immediately around Highfield House are found, Arion 

 flavus, A. hortensis, A. empiricorum, Limax agrestis, 

 L. brunneus, L. cinereus, L. arborum, Vitrina pel- 

 lucida, Zonites cellarius, Z. nitidus, Z. crystallinus, Z. 

 alliarius, Z. purus, Z. uitidulus, Z. radiaiulus, Helix 

 nemoralis, H. pulchella, H. hispida, H. virgata, H.' 

 rotundata, H. fulva, H. aculeata, H. pygraoea, Bulimus 

 obscurus, Zua lubrica, Azeca tridens. Pupa umbilicata, 

 P. pygmoea, P, substriata, Clausilia nigricans, Cary- 

 chium minimuoa, Balsea fragilis. 



Innumerable localities might be cited, but the above » 

 ones will sufficiently show what is intended. 



