t»4 



dra? cretae; Fragilaria pinnata; Grammatophora africana; G. parallela; 

 Rhabdonema arcuatum; Eunotia? cretre; Ceratoneis? cretae; Biddulphia 

 sp.; Zygoceros siculus, Z. paradoxus; Melosira (Orthosira) aurichalcea; 

 Paralia sulcata; Cyclotella Kuetzingiana ; Coscinodiscus eccentricus, C. mi- 

 nor, C. lineatus, C. curvatulus et var. minor, C. subtilis, C. senarius, C. 

 profundus, C. robustus, C. radiatus, C. patiua, C. Argus, C. fimbriatus, 

 C. centralis, C. Oculus Iridis; Actinoptychus senarius; Mastogonia prae- 

 texta; Actinocyclus ternarius, A. quaternarius, A. quinarius, A. biterna- 

 rius, A. septenarius, A. octonarius, A. denarius, A. bisenarius, A. Ralfsii, 

 A.? undulatus; Chondrites afflnis, Ch. intricatus, Ch. sp.; Lithothamnion 

 racemus; Algacites sp.; Pinus sp. ; Cedroxylon afflue ; Cupressoxylon pa- 

 chyderma, C. biradiatum, C. sp.; Pityoxylon pineoides, P. pinastroides; 

 Phragmites oeningensis; Potamogeton geniculatus var. gracilis; Palmo- 

 xylon Stohrianura; Quercus chlorophylla; Juglans vetusta; Juglandoxylon 

 mediterraneum; Myrica salicina; Alnus Nocitonis; Laurus Gemellariana; 

 Cinnamomum polymorphum; Celastrus pedinos; Berchemia multinervis; 

 Robinia Regeli; Caesalpinia Townshendi; Acacia parschlugiana; Legumi- 

 nosites sp.; Diospyros brachysepala. 

 Sardinia. — Synedra capitata; Grammatophora africana; G. angulosa; Tri- 

 ceratiuni obtusum; Melosira (Orthosira) aurichalcea; Paralia sulcata; 

 Coscinodiscus minor, C. radiatus, C. Argus, C. fimbriatus, C. centralis, C. 

 flmbriatus-Iineatus; Actinoptychus denarius; Actinocyclus ternarius; A. 

 bisenarius; Lithocaulon minus; Pinus Strozzii, P. vexatoria; Phragmites 

 sp.; Tbypha Plutonis; Palmoxylon sardoum; Salix sp.; Ulmus sp. ; Lau- 

 rus? sp.; Lauroxylon sp.; Buxus sp.; Leguminosites sp. 



