BIBLIOGRAPHY. 185 



Can Snails mend their shells. — By R. Bunker. — Amer- 

 ican Naturalist, July, 1880, p. 522. 



A specimen of Limncea elodes, Say had a piece taken from its 

 shell about the size of a half-dime. At the end of a week the 

 opening was perceptibly smaller, and the work of reparation pro- 

 ceeded until in six weeks the work was completed and the surface 

 of the shell apparently as smooth as before it was broken. 



Helix lapicida v. minor at Epsom. — By J. E. Daniel. ^ — 

 Science Gossip, July, 1879, p. 161. 



The occurrence of this variety in some numbers on a wall at 

 Downside, Epsom, is noted. 



Pearls in Pecten maximus. — By J. E. Daniels. — Science 

 Gossip, July, 1879, p. 161. 



The occurence of two small spherical pearls of a milky white 

 color m Pecten viaximus is recorded. 



Testacella haiiotoidea in Notts. — By R. A. Rolfe. — 

 Science Gossip, Jan., 1879, p. 22. 



Several specimens of this species are recorded as been taken 

 in Notts., also Liniax brunneus. From near Mansfield Cochlicopa 

 triJe?is, Claiisilia lamifwfa, and Helix lapicida, are recorded. 



Ancylus lacustris floating. — S. S. Pearce. — Science 

 Gossip, Sep., 1879, P- 207. 



The power of this species to float on the surface of the water 

 as other Lininucadce is here affirmed. 'J"wo specimens out of four- 

 teen taken on the decayed lea\es of Iris pseudacorus in an almost 

 stagnant dyke near Lewes were observed in confinement to follow 

 this habit — Mr. .Pearce says 'They appear to float in the same way 



