JOURNAL 



OF THE 



EOYAL MICROSCOPICAL SOCIETY. 



FEBRUARY, 1917. 



TRANSACTIONS OF THE SOCIETY. 



I. — Presidential Address, 1916-17: Alcide d'Orhigny, 

 his Life and his Work. 



By Edward Heron-Allen, F.L.S. F.G.S. F.Z.S. P.E.M.S. 



M.E.I.A., ETC. 



TO WHICH IS APPENDED 



A Study of the Foraminifera of the Biscayan Coast of France in the 



Neighbourhood of La Rochelle. 



By Edward Heron-Allen and Arthur Earland. 



{Bead January 17, 1917.) 

 Plates I to XIII. 



TABLE OF CONTENTS. 



PAGE 



Introduction 2 



1. Early years and studies at La 



Rochelle 3 



2. The Models 13 



3. D'Orbigny's Generic and Spe- 



cific Names 17 



4. The " Tableau Methodique de 



la Classe des C^phalopodes " 19 



5. The " Planches In^dites " .. 33 



6. The Revelations of F61ix Du- 



jardin 37 



7. The Cuba Memoir 43 



8. The Canary Islands Memoir .. 46 



9. The South American Memoir 47 



10. The Paris Chalk Memoir . . 53 



11. The Vienna Memoir .. .. 54 



12. The Article " Foraminiferes " 



in the " Dictionnaire Uni- 



verselle" 58 



13. The " Cours 61ementaire " and 



the "Prodrome," 1849-52.. 59 



14. The last years of d'Orbigny . . 68 



15. The Verdict of Posterity . . 71 



16. Some d'Orbignyan species . . 75 



17. The Foraminifera of Esnandes 



and Chatelaillon 80 



Feb. 21st.. 1917 



PAGE 



Appendices — 



A. The family of d'Orbigny .. 87 



B. Letter of Charles d'Orbigny 



to his son, Alcide, 1813 .. 89 



C. The dates of issue of the 



Models 89 



D. The " Ciuquieme Ijivraison " 



of the Models 91 



E. The Generic and Specific 



names of the d'Orbignyan 

 Foraminifera 92 



F. The four Tables of Genera 



published by d'Orbigny . . 95 



G. Species in the " Tableau Me- 



thodique " not diagnosed 

 or figured by Parker and 

 Jones, or by Fornasini . . 99 

 H. Species added to the "Tab- 

 leau Methodique " by 



de F^russac '. 100 



I. Articles by Fornasini repro- 

 ducing Berthelin's trac- 

 ings 101 



J. The final conclusions of Du- 



jardin 102 



Bibliography 104 



B 



