PROCEEDINGS : OC lOBER l6, 1909. 2$ 



President's Address. 



Lt.-Col. H. H. Godwin-Austen, F.R.S., then delivered an Address, entitled: 

 " The Importance of the Animal in the Land Mollusca shown by certain Evolu- 

 tionary Stages in some Genera of the Zonitidse." 



Votes of thanks to the President for his address, and to the London members 

 for their hospitality were unanimously passed. 



A vote of thanks was also accorded to the University Authorities at Manchester, 

 for the use of the Museum buildings. 



Exhibits. 



By Lt.-Col. God win- Austen : Specimens of Macrochlamys richilaensis, M. 

 zemoensis, M. haniwickei, Austenia gigas, Khasiella vidua, to illustrate his address. 



By Mr. L. E. Adams : Non-marine shells from Uruguay and the Argentine. 



By Mr. J. W. Baldwin : A sinistral Pupa tnuscoi-um from Abersoch, North 

 Wales, also Helix aspersa var. exalbida. 



By Mr. K. Beeston : A large series of Cornish non-marine shells. 



By Mr. F. Booth : Some choice examples of Somaliland land shells, including 

 Buliminus soinaliensis Smith, and Otoponia poirieri Bourg. 



By Mr. F. G. Bridgman : Rare Olividce ; a series of rare British Buccinidce 

 (including Liomesus dalei and Tritonofnsus jeffreysianus) ; also a number of shell 

 sections. 



By Mr. E. Collier : A series of Irish non-marine shells, including a fine series 

 of Helix nemoralis, H. itala, Succinea oblonga, Pupa anglica, Vertigo angustior, 

 Limnaa involuta and L. praetenuis. 



By Mr. J. E. Cooper : Two drawers of small British marine molluscs ; a series 

 o{ Pteropoda a.nd^ Heteropoda ; " pens " of Loligo ?nedia to illustrate the variation 

 in this species ; a collection of caddis-cases formed of shells ; decollated Bithynia 

 tentaculata and B. leachi, and Plsidiuni supinum from the Thames. 



By Mr. J. C. Dacie : A long series of Littoritia rudis, L. obtusata, L. littorea, 

 and Purpura lapillus. 



By Mr. Thos. Edwards : Buccinum undatum, m. acuminatum, m. carinatum, 

 m. scalariforme, m. sinistrorsu/n, m. bioperculatuin ; Neptunea antiqua, m, sinis- 

 trorswii ; all from the coast of Thanet. JMactra glauca type and var. luteola from 

 Jersey. Also a fine example of Cardium pseudolima. 



By Mr. G. K. Gude : An album of original drawings of Helicoids. 



By Mr. W. Gyngell : Some remarkable specimens of Anodonta cygnea, type and 

 var. incrassata, from Scarborough. 



By Rev. Canon Horsley : Fine series of Papuina tayloriana, Xesta citrina and 

 Helicella sple7idida. Also sinistral Helirella virgata and H. cantiana, and a 

 dextral Physa acuta. 



By Mr. J. W. Jackson : Photo-micrographs of Vertigines, etc. ; photos, of 

 typical habitats of North of England species of mollusca. 



By Mr. J. R. B. Masefield : A prettily banded Cochlicopa lubrica, and a fine 

 example of Acanthinula aculeata. 



By Mr. Chas. Oldham : Pisidiuvi supinum from several Herts, localities, and 

 some very fine SphcBrium lacustre. 



By Mrs. Longstafif; Pleurodonte acuta in great variety; also a fine series of 

 Jamaican Helicoids ; several species of Alcadia from Jamaica, Gorilla rivolii from 

 Ceylon. 



By Mr. H. B. Preston : Land shells from Fak Fak, Dutch New Guinea. 



