388 Mr. Weaver's View o/"Ehrenberg*s Observations 



r Baltic, 



^I. Biddulphia pulchella. 



22. Cocconema lanceola^ 



turn 



23. Coscinodiscus Argus 



Living. 

 N. Sea, Mediter-1 



Fossil. 



eccentricus 

 lineatus . . 



minor 



Oculus Iridis 

 Patina . . . 



radiatus . . . 



Dictyocha sulcata 

 Fibula . . . 



24. 



25. 



26. 



27. 

 28. 



29. 

 SO. 



31. 



32. 



33. 



34. 

 35. 



36. Fragilariarhabdosoma-j 

 37. 



38. Gallionellaaurichalca 



Pentasterias 



Speculum , 



Eunotia granulata 

 Zebra .... 



ranean, and Ocean near V C. M. Greece. 



Cuba J 



Brackish and fresh waters. C. M. Greece. 



North Sea, Cuxhaven 



, Tjbrn 



in Cattegat, and Mexi 

 can Gulf, Vera Cruz 



North Sea, Cuxhaven 



••{" 



M. Caltasinetta 

 Oran. 



"} 



C. M. Oran. 



C. M. Caltasinetta. 

 CM. Caltasinetta, Oran, 



and Zante. 

 C. M. Greece. 

 C. M. Zante. 

 •,and \ C. M. Oran, Caltasinetta, 

 J and Zante. 

 jr C. M. Caltasinetta, Oran, 

 I Zante, and Greece. 



Baltic, Wismar. . . 

 North Sea near Tjorn 



Sea, Christiania and f C. M. Oran and Caltasi- 



\ Tjbrn,& Baltic, Wismar J netta. 

 N. Sea, Christiania haven. C. M. Zante 

 Cuxhaven, Chris 

 and Tjorn, Bal 

 near Kiel 

 Brackish and fresh vpaters. " C. M. Greece. 

 Berlin fresh waters .... CM. Greece. 



JN. oea, i^nrisuania naven. y^. ivi. ^is 

 r N. Sea, Cuxhaven, Chris- 1 ^ ^ ^^^ 

 tiania and Tjorn, Bal- ^ ^ante, 

 j_ tic, near Kiel J 



Caltasinetta, Oran, 

 and Greece. 



Berlin, Halle, 



39. 

 40. 



41. 

 42. 



43. 

 44. 

 45. 



46. 



47. 



48. 

 49. 



50. 



CoP^'^' "I W. C Gravesend 

 hagen, Sweden . . . . j 



striolata " W. C Gravesend, 



''Berlin fresh waters, Leip- 

 zig, Thuringia, Fran- 

 conia, WUrzburg, Stutt- 

 gart, and on rocks near 

 the Faroe Isles .... 



sulcata North Sea, Cuxhaven 



►W. C. Riigen. 



Grammatophora afri- j ^^ g^^^ Heligoland, Tj 

 angulosa . . 



•{ 



CM. Caltasinetta, Oran, 

 Zante, and Greece. 



C M. 

 C. M. 



Oran, 

 Oran. 



undulata , . . 



Haliomma radians . 



Navicula Didymus. 



Entomon . . . 



norwegica . . 



quadrifasciata 



North Sea, Tjorn 

 Callao in Peru, Vera Cruz 

 in Mexico, Tjorn in 

 Cattegat, Wismar in 

 Baltic, and the Mediter- 

 ranean 



f Among marine Confervas 



\ near Vera Cruz _ 



North Sea, Cuxhaven . . 

 / N. Sea, Cuxhaven, Baltic, "1 



\ Wismar J 



N. Sea, Christiania haven. C M. Greece. 

 CM. Greece. 



C M. Greece. 



C M. Oran, 



C M. Greece. 

 C M. Greece. 

 C M. Caltasinetta. 



L and Tjbrn Isle. 



{Paris, Berlin, Saxony, Bo- 1 

 hemia, Buchtarma in > C. M. Oran. 

 Altai, and Irtysch. J 



{Berlin fresh waters, Weis- ' 

 senfels in Saxony, and ^ C. M. Greece. 

 Wismar in Mecklenburg. 





