TRANSACTIONS OP THE SECTIONS. 81 



Balea perversa, rare at Thrumpton. 



Bitliimis luhricus, common; B. ohscurus, common at Highfield House and Nottingham 

 Castle, but has not been found elsewhere. 



Carychium minimum, common. 



ClausiUa nigricans, common. 



Limax agrestis, L. carinatus, L. flaiius and L. maximus, common. 



Vertigo pmilla, rare at Highfield House. 



Helix aspersn, H. nemoralis, common ; var. horlensis, rare at Bulwell ; var. hyhrida, 

 rare at Highfield Huuse; //. jjidchella, abundant; var. crenella, rare at Highfield 

 House ; //. hispii/a, common ; var. concinna, at Highfield House ; var. dcpilata, at 

 Highfield House ; H. rohmdala, common ; H. ccUaria, common ; H. arbustorum, 

 at Thrumpton; H.fuha, at Tlu-umpton, Highfield House, and Stanton on theWolds; 

 H. virgata, rare at Highfield House; H. ericetorum, very abundant at Stanton on 

 the Wolds, I have not'fonnd it elsewhere; H. alUaria, at Sawley and Thrumpton, 

 at the former place very abundant ; H. aeuleata, rare at Highfield House and 

 Stanton on the Wolds; H. caperata, in extraordinary numbers at Stanton on the 

 Wolds, but not foinid elsewhere ; H. crijataUina, Highfield House, Bulwell, and 

 Oxton ; H. niiidula, rare at Bulwell and Oxton ; H. radiatula, at Highfield House ; 

 H. granulata, rare at Bidwell ; H. lucida, uncommon at Bulwell, Oxton, Stanton 

 and Highfield House ; H. pura, rare at Oxton ; H. pijgmcea, rare at Highfield 

 House and Stanton ; H. sericea, rare at Bulwell, Oxton, and Stanton ; //. revelata, 

 rare at Stanton on the Wolds. This is the first time it has been found in England. 



Pupa umbilicata, common. 



Vilrina pellucida, common. Forty species. 



2nd. Mud and Water Shells (^Univalves). 

 Bithinia ventricosa (Forbes), common ; B. Leachii, rare at Lenton and in Nottingham 



Meadows. 

 Limnea auricularis, L. peregra, L. stagnalis, L.palustris, L. truncatulus, all abundant ; 



L. glaber, rare at Bulwell. 

 Neritina fluviatilis, common in Trent, found in River Soar. 

 Palndina vivipara (Forbes), common. 

 Patella fluviatilis, common ; P. lacustris, uncommon, at Lenton and Nottingham 



Meadows. 

 Physa fontinalis, common; var. acuta, common; P. hypnorum, at Beeston and 



Nottingham Meadows; Jmphipeplea glutinosa, at Beeston Ryelands. 

 Planorbis corneus, P. carinatus, P. marginatiis, P. vortex, and P. spirorbis, common ; 



P. albus, in Trent; P. contortus, Bulwell and Lenton ; P. i???&rjca^!«, Highfield 



House; P.nitidus, rare at Highfield House and Wollaton. 

 Succinea putris, common at Thrumpton ; S. Pfeifferi, common. 

 Valvata piscinalis, common ; V. cristata, Bulwell and Beeston. Twenty-eight species. 



3rd. Water Shells (Bivalves), 

 Aiiodon cygneus, common; var. anatina, common ; vai\ cellensis, common ; var. ven- 

 tricosa, at Highfield House ; var. Avonensis, rare in River Trent, 

 Cyclas rivicola, C. cornea, C lacustris, common. 

 Dreissena polytnorjjha, common. 

 Pisidium Henslowianum, rare at Highfield House ; P. amnicum, common ; P. cine- 



reum and P. nitidum, at Clumber; P. obtusale, P. pulchellum and P. pusillum, at 



Beeston. 

 Unio piclorum, U, titmidus, var. i7. owaZis, common. Sixteen species. 



On the Jntennce of the Annulosa, and their Homology in the Macrourals. 

 By Dr. W. Macdonald, F.R.S.E. 



On some recent Calcareous Zoophytes found at Ipswich, Harwich, 8(C. 



By C. W. Peach. 



Seeing no calcareous zoophytes in the museum at Ipswich, and having found 15 



or 16 species at that place, some from the Orwell, others from Harwich, the author 



mentioned them to induce some one to collect and supply the defects in the museum. 



1851. 6 



