1912. Kennard AND Woodward. — On Non-Marine Mollicsca. 99 



(p. 46) and Lough Vcarty (p. 47) should in both cases appear as P. Lillje- 

 boygii, whilst the latter has to be added to the fauna of L. Roshin (p. 47 

 last line). P. Lilljeborgii, indeed, proved to be very widely distributed 

 throughout the district explored by Major Trevelyan, occurring in no less 

 than twenty-four of the lakes visited. It is an 'alpine' form and has 

 been described under the name of P. Loveni by Clessin from a Swiss tarn 

 at an altitude of 7,546 feet. In the British Isles it occurs down the west 

 side from the Shetlands to Killarney. P. pu^illmn probably ranks next 

 in abundance. P. cascrtanum was added from several localities, and 

 P. persoiiatum was met with in Lough Meenaskeagh. P. Henslowianimi 

 still remained unrepresented in Major Trevelyan' s gatherings. The 

 species appears to be both local and rare in Ireland. 



Beckenham. 



IRISH SOCIETIES. 



ROYAL ZOOLOGICAL SOCIETY. 



Recent gifts include a Royal Python from Capt. Hall. A Coati, an 

 Alexandrine Parrakeet, and three Pintail Ducks have been received on 

 deposit. The Fish Hatchery, which has been for some time in course of 

 erection, is now nearly complete, and it is hoped that young Rainbow 

 Trout will soon be on view in the ponds. 



DUBLIN MICROSCOPICAL CLUB. 



February 14. The Club met at Leinster House, A. R. Nichols, M.A 

 (President), in the chair. 



W. N. Allen exhibited a slide, micro -photographs and drawings of an 

 organism which has not yet been identified or its nature determinetl. 

 The object was found in gum from an apple tree in considerable quantity 

 and is an irregularly rounded body about i-iooo inch in diameter, with a 

 spiral appendage extending once or twice the diameter of the body in 

 different specimens. 



Dr. G. H. Pethybridge exhibited pure cultures of the potato blight 

 fungus {Phytophthora injestans) growing on a medium prepared, according 

 to Clinton's method, from crushed oats. On this medium the fungus grows 

 luxuriantly, produces abundant conidia and also oogonia (which were 

 exhibited), but up to the present no autheridia have been produced, 

 and consequently the formation of oospores has not been observed. In the 

 United States, CHnton has obtained oogonia, antheridia and oospores of 

 this fungus on the medium named, and the above-mentioned cultures 

 afford a partial corroboration of his work, while it is anticipated that the 

 further investigations which are now in progress may fully do so. 



Sir Frederick Moore exhibited hairs from the corolla of Columnea 

 Oerstediana. This plant is a native of Costa Rica and has bright red 

 flowers resembling those of Acschyulauthus. On the corolla there arc 



