310 PKOCEEDINGS OF THE MALACOLOGICAL SOCIETT. 



13. Chlaimjs undtilatus. Sow. 19. BapJmeUa excavaia, GatliE. 



14. C!/clopeetenN'epcanensis,I'ntch.& Gut. 20. Ancilla Fetterdi, Tate. 



15. Modiola arbor escens, Chem. 21. Acanthochites glyptus, Sykes. 



16. M. Victori(e, Vnioh. k Gai. 22. Mitra Rosett(B, kngas. 



17. Scala Nepeanensis, GaiYi^. 23. Co?2!««we>woMe, Lam. (white variety). 



18. S. tranducida, GatlifE. 24. Zenatia Victoruc, Pritch. & Gat. 



Nos. 1-16 dredged in Western Port Bay; 17-21, Port Phillip Bay; 

 22-24, Ocean Beach. 



Mr. Gabriel also exhibited Cyjirea xanthodon, Gray, from Queensland, 

 and Cyprcea decipiens, E. A. Smith, from AV. Australia. 



By H. C. Fulton : A specimen of Orthalicm from Mexico, with 

 a large pearl attached to the inner surface of the last whorl. 



By E. A. Smith, I.S.O. : A collection of pearls and photographs of 

 pearls obtained by Mr. Gordon Smith in Japan and China. These 

 included true pearls from ITaliotis, Pectcn, Pinna., and Mytilus. 



By Miss Foster : A deformed specimen of Cyproia arahica, with 

 pronounced spire and distorted and thickened lip. 



NOTES 



On the Pairing of Limn.ea PKUEGEn with Planorbis cohneus. 

 {Read \i)th May, 1907.) — On April 14tb, at about midday, a specimen of 

 Planorbis corneus (Linnaeus) was taken from a pond at Harrow, and on it 

 was found a Limncea pereger (Miiller) in the act of pairing, the Limnaa 

 acting male. The specimens were wrapped in weed, taken home, and 

 placed together in a vessel of water. During the afternoon the Limnaa 

 crawled about the shell of the Planorbis, and at about 4 o'clock they 

 were again found to be pairing. The next day they were crawling about 

 the vessel indifferent to each other, nor were they subsequently seen to 

 pair. At the beginning of May the Planorbis laid a batch of eggs. 



For records of pairing between different genera of snails see a note by 

 E. Caziot, Proc. Malac. Soc, 1902, vol. v, No. 1, p. 11. 



W. D. Lang. 



Note on an ' OcTorus^ with branching arms. — A specimen of 

 an ' Octopus ' has recently been brought from Japan by Mr. E. Gordon 

 Smith, which is very remarkable on account of all the arms, with the 

 exception of one of the dorsal pair, exhibiting one or more furcations. 

 Records of similar abnormalities are extremely rare. It appears to be an 

 abnormal specimen of Polypus Cephea (Gray). A descriptive account and 

 figure of it will appear in another publication. E. A. Smith. 



HoLOCENE MoLLuscA FROM Staines. [Read loth May, 1907.) — Last 

 year Mes.srs. Kennard & Woodward published a list of Holocene 

 Molkisca from a deposit a mile or so west of Staines (Proc. Geologists' 

 Assoc, vol. xix); those now shown were collected last Autumn close to 



