88 PROCEEDINGS OF THE CONCHOLOGICAL SOCIETY. 



A note by Mr. J. B. Beckett upon Carnivorous Propensities as observed 

 by him in Bythhiia fentaculata and Plafiorbis marginatus, near Yarmouth. 



A 'List of Slugs found in Derbyshire.' by Mr. Lionel E. Adams, B.A. 

 [printed in J. of C, July, p. 77]. 



Exhibits : 



On behalf of Mr. Charles Oldham were shown living examples oi Avion 

 minimus from Glenfield and the banks of Groby Pool, both near Leicester. 



Mr. W. Denison Roebuck, F. L.S., showed shells from the mud-cliffs 

 near Withernsea, E. Yorkshire, in the marl-deposits in which they occurred, 

 including Valvata piscinalis, Limncea percgra, Sphcsritim coriieum, and 

 Pisidium pusillum, all in abundance; and also a single example oi Limnaa 

 stagnalis, this collected by Mr. Edwin HawksworLh. — W.D.R. 



MANCHESTER BRANCH. 



Meeting in the Museum, Owens College, September 8lh, 1892. 



Mr. Thos. Rogers in the chair. 



Papers Read : 



' Notes on the Noiman and Alder collections," by R. Standen. 



' On the genus Thclidotnus Swainson ' ; and ' On the occurrence of 

 Achatina aciciila in an ancient Grecian lachrymatory from Corfu,' by R. D. 

 Darbishire. 



Exhibits : 



By Mr. Ed. Collier : Types of the various sections of Cylindrclla, with 

 explanatory remarks. 



By Mr. F. G. Pearcey : Chiton marmorcus from Firth of Clyde, the 

 largest specimen 2^ inches in length, and Chiton cinentis, ruber, and 

 marginatus from same locality, with description of habitat. 



By Mr. F. Collier : H. ncmoralis vars. rubella and castanea of unusual 

 beauty from Dovedale, Derbyshire. 



By Messrs. Moss and Cairns : A series of extremely small H. nemoralis 

 and varieties from Hawick, Scotland ; varieties of H. ericetorum and 

 Bulimiis aculiis, H. lotundata var. alba, Succinea elegans, Pupa ringens, and 

 Carychium minimum, from the Isle of Man, the last three species being new 

 additions to the Manx list. Ampullaria cornu-arietis, with photographs of 

 palate, Bulimus glaber, B. stramineus, B. vincentinus and eggs oiB. oblongus, 

 some of which had hatched out on the passage, all from Trinidad, and 

 received alive by Mr. Moss. 



By Mr. F. Taylor : Zonites excavatus, Z. fulvus, Z. alliarius, Z. crystal- 

 liniis, and ccllarins, C. lubrica. Vertigo substriata and others, from Holden 

 Clough ; and Planorbis naut ileus monst. scalariforme, from Fitton Hill, 

 Oldham ; new localities. 



By Mr. T. Rogers : An enormous specimen of Pteroccra lanibis, from 

 West Indies ; and Pccten lubernicus, from the Adriatic. 



Mr. Moss also showed a fine series of Acme lineata, received from Dr. 

 Chasters, of Southport, most of them being var. alba Jeff. Dr. Chasters 

 recently collected 250 living specimens of this species in Merionethshire, in 

 a similar locality to that at Fleetwood. — R. Standen, Hon Sec. of Branch. 



J.C., vii., July, 1S92. 



