xvi LIST OF ILLUSTRATIONS. 



KIG. PAGE 



28. Bacillus Tieghemi B,en. and Micrococczis Guignardi Ren. (M.S.) 135 



29. Laminaria sp 140 



30. Rill-mark ; trail of a seaweed ; tracks of a Polychaet, (M. S.) 143 



31. Chondrites verisimilis Salt. (M, S,) 



32. Lithothamnioii mamillosum GUmb. ; Sycidium melo Sandb, 



Bactryllium deplanatxim Heer; Calcareous pebble from a 

 lake in Michigan, (M. S,) 



33. Cymopolia harhata (L,) ; Acicidaria Andrussowi Solms 



Acicularia sp, ; A. Schencki (Mob,); A. Mediterranea 

 Lamx. ; Ovulites margaritula Lamx. ; Penicillus pyra- 

 midalis (Lamx.) (M. S.) . 



34. Acetabidaria mediterranea Lamx. (Photograph by Mr Edwin 



Wilson) 



35. Diplopora; Gyroporella; Penicillus; Ovulites margaritula 



Lam. ; Confervites chantransioides (Born.) . 



36. Torbanite ; Pila bibractensis and Reinschia australis 



37. Lithothamnion sp. ; L. suganum Both. ; Sphaerocodim 



Bornemanni Roth. ....... 



38. Solenopora compacta (Billings). (M. S.). 



39. Nematophycus Logani (Daws.) 



40. Nematophycus Storriei Barb. (Photograph by Mr C. A. Barber) 



41. Cells of Cycadeoidea gigantea Sew., Osmundites Dowkeri Carr 



and Memecylon with vacuolated contents ; Peronosporites 

 antiquarius Smith ; Zygosporites 



42. Tracheids of coniferous wood attacked by Trametes radiciperda 



Hart and Agaricus melleus Vahl. 



43. OochytHum Lepidodendri Ren. ; Polyporus vaporarius Fr. var. 



succinea ; Cladosporites bipartitus Fel. ; Haplographites 

 cateniger Fel. (M. S.) 



44. Cells of fossil plants with fungal hyphae 



45. Chara Knowltoni Sew. ; Chara foetida A. Br. {A and B^ 



Mr Highley ; C—E, M. S.) 



46. Chara Bleicheri'^s.^.; Chara '^ sp. ; C. Wrighti Forhea. (M. S.) 



47. Chara KnovMoni Sew. (From block lent by Dr Woodward) 



48. Tristichia hypnoides Spreng. ; Podocarpus cupressina. Br. and 



Ben. ; Selaginella Oregana Eat. (M. S.) . 



49. Marchantites erectus (Leek.) (M. S.) 



50. Marchantites Sezannensis Sap. (M. S.) . 



51. Muscites polytrichaceus Ren, and Zeill. (M. S.) 



52. Equisetum maximum Lam. ; E. arvense L. 



53. Equisetum palustre L. (M. S.) 



54. Plan of the vascular bundles in an Equisetum 



arvowe L 



55. Equisetum variegatum Schl. ; E. maximum Lam. 



stem 



