64 • DIATOMACE.E. 



embrace all the species in the Synopsis, nine genera not included in 

 that work are added : — 



1. Actinocyclus. 20. Fragillaria. 



2. Amphipleura. 21. Gornphonema. 



3. Amphora. 22. Grammatophora. 



4. Amphiprora. 23. Isthmia. 



5. Arachnoidiscus. 24. Licmophora. 



6. Asterionella. 25. Mastogloia. 



7. Achnanthes. 26. Melosira. 



8. Biddulphia. 27. Navicula. 



9. Cocconeis. 28. Nitzschia. 



10. Coscinodiscus. 29. Podocystis. 



11. Cyclotella. 30. Pleurosigma. 



12. Cyinatopleura. 31. Rhabdonema. 



13. Cynibella. 32. Stauroneis. 



14. Denticula. 33. Surirella. 



15. Diatoma. 34. Synedra. 



16. Epithemia. 35. Striatella. 



17. Eunotia. 36. Tabellaria. 



18. Eupodiscus. 37. Tryblionella. 



19. Eucampia. 



Additional genera to which some of the forms in the Synopsis 

 are referred: — 



38. Actinoptychus, Ehr. (Actinocyclus undulatus, Sra.) 



39. Auliscus, Ehr. (Eupodiscus sculptus, Sm.) 



40. Ceratoneis, Kutz, non Ehr. (Part of Synedra and Eunotia, Sm.) 



41. Cauipyloneis, Grimow. (^Cocconeis Grevillii, Sm.) 



42. Ditylum, Bailey. (Triceratium striolatuin ? Sm.) 



43. Diatomella, Greville. (Grammatophora Balfouriana, Sm.) 



44. Gomphogramma. 



45. Stictodesmis, Greville. (Surirella Craticula.) 



46. Toxarium, Bailey. (Synedra undulata, Sm.) 



Genera abolished in the new Synopsis. (The numbers refer to 

 the genera to which the species belonging to the deleted genera 

 are relegated.) 



Achnanthidium. 7. Homeocladia. 28. 



Amphitetras. 8. Meridion. 15. 



Bacillaria. 28. Odontidium. 15-20. 



Berkeleya. 27. Orthosira. 26. 



Colletonema. 27-30. Pinnularia. 27. 



Campylodiscus. 33. Podosphenia. 24. 



Cocconema. 13. Podosira. 26. 



Doryphora. 27-29. Rhiphidophora. 24. 



Dickiea. 27. Schizonema. 27-32. 



Encyonema. 13. Tetracyclus. 44. 



Himantidium. 17. Triceratium. 8-42. 



F. Kitton, Norwich. 



CEYPTOGAMIC LITERATURE. 



On the Spermogonia and Pycnidia of Crustaceotjs Lichens, 

 by Dr. Lauder Lindsay, in " Linnean Transactions," xxvi., part 2. 



Krempelhuber, Flecbten aus Amboina, in "Abhand. der. K. 

 K. Zool. Bot. Gess. zu Wien :" Bde. xxi. (1871) ; descriptions 

 reprinted in " Hedwigia," No. 8, 1872. 



