84 BIBLIOGRAPHY OF 1879. 



Studer (Prof. Dr. Th.)— Contributions to the knowledge 

 of the Lower Animals of Kerguelensland. — Archiv 

 fiir Naturgesch., 45th year, vol. i., part, i., i plate. 



The Fauna of Kerguelensland : list of the species hitherto 

 observed, with short notices on their appearance and their Zoo- 

 geographical relation. 



Troschel ( ).— Report on researches on the Natural 



History of Mollusca during the year 1877.— Archiv. 

 fiir Naturg., 44th year, vol. ii., part 4. 



Valentini (Eugenio).— Shell-bearing mollusca of the 

 basin of the Tronto, Italy. — MoUuschi conchigliferi 

 viventi del Bacino del Tronto. — Bull. Soc. Mai. Ital, 1879, 

 vol. v., pp. 22 to 37. 



The author enumerates a Glandma, 2 Hyalina, 26 Helix, 

 3 Buliminus, 2 Cionella, i Stenogyra, 4 Fupa, 10 Clausilia, 2 

 Succinea, 2 Lymncea, i Cyclostovia, 2 Bythima, a Hydrobia and a 

 Pisidium — altogether 58 species. 



Warren (Amy).— Land and Freshwater Mollusca of 

 Mayo and Sligo.— Zool, Jan., 1879, 3rd series, vol. iii., 

 pp. 25 to 29. 



Two Avion, 5 Limax, i Succinea, i Vitrina, 6 Zonites, 13 

 Helix, I Bulimus, 3 FuJ>a, 5 Vertigo, 1 Balia, i Clausilia, i 

 Cochlicopa, i Carychium, i Sphceriiwi, 4 Pisidium, i Unio, i 

 Anodon, i Neritina, i Bythinia, 2 Valvata, 5 Pla7iorbis, 2 Physa, 

 4 Limncea and i Ancylus. 



Ward (James).— Vitality of the Common Snail.— Nature, 



Aug. 14, 1879, vol. XX., p. 363. 



Helix aspersa lived nearly a year in a closed flower-pot. 



