x i v CONTENTS. 



FRIDAY, AUGUST 16, 1878. 



Page 



1. Note3 on a case of Commensalism in the Holothuria. By Dr. A. F. 

 Anderson 55J 



2. On certain Osteological Characters in the Cervidae and their probable bear- 



ings on the past History of the Group. By Sir Victor Brooke, Bart. ... 559 



3. The Habits of Ants. By Sir John Lubbock, F.R.S 559 



4 On the Habits of the Field- Vole {Arvkola agrestis, L.). By Sir Walter 



Elliot, F.R.S 559 



MONDAY, AUGUST 19, 1878. 



1. Report on the Present State of our Knowledge of the Crustacea. Part IV. 



— On Development 561 



2. On the Willemoesia Group of Crustacea. By C. Spence Bate, F.R.S ... 561 



3. On the supposed Radiolarians and Diatoms of the Coal-measures. By 

 Professor W. C. Williamson, F.R.S 564 



4. On the Association of an Inconspicuous Corolla with Proterogyaous Di- 

 chogamy in Insect-fertilised Flowers. By Alex. S. Wilson, M.A., B.Sc. 564 



5. On the Nectar of Flowers. By Alex. S. Wilson, M.A., B.Sc 567 



6. Notes on some Dimorphic Plants. By Alex. S. Wilson, M A., B.Sc 568 



7. Some Mechanical Arrangements subserving Cross-fertilisation of Plants 



by Insects. By Alex. S. Wilson, M.A., B.Sc 568 



8. On the Stipules of Spergularia Marina. By Alexander Dickson, M.D., 

 Regius Professor of Botany in the University of Glasgow 568 



9. On the Inflorescence of Senebiera didyma. By Alexander Dickson, M.D., 



Regius Professor of Botany in the University of Glasgow 569 



10. On the Six-celled Glands of Cephalotus, and their similarity to the Glands 



of Sarracenia purpurea. By Alexander Dickson, M.D , Regius Professor 



of Botany in the University of Glasgow 569 



11. Exhibition of Specimens of Isoetes echinospora. By Alexander Dickson, 



M.D., Regius Professor of Botany in the University of Glasgow 570 



12. Some rare Scottish Alpine Plants. By Dr. I. Baylet Balfour 570 



13. Notes on Naiadacese. By Dr. I. Bayley Balfour 570 



TUESDAY, AUGUST 20, 1878. 



1. The Vertebrata of the Permian Formation of Texas. By Professor 



Edward D. Cope, F.S.A 571 



2. Note on the Genus Holopus. By Sir Wyville Thomson 571 



3. Note on some Deep Sea Radiolarians. By Sir Wyville Thomson 571 



4. On the genus Ctenodus (Agassiz). By Dr. R. H. Traquatr 571 



5. The Mammoth in Siberia. By Henry H. Howorth, F.S.A 571 



6. Recent Additions to the List of Irish Lepidoptera. By R. W. Sinclair 572 



7. A Wryneck obtained in Ireland was exhibited by A. E. Jacob 572 



8. Germinating specimens of Cardamine pratensis were exhibited by Dr. John 

 Price 572 



