246 



INDEX 



cornuta, 43, 44*, 45; PI. 4, fig. 7 



var. laevimura, 44, 45; PI. 4, fig. 5 



crassimurata, 39, 40; PI. 1, fig. 11 



crassipellis, 40, 41; PI. 1, figs. 7, 8 



furcata, 29-32 



leptoderma, 104 



monilis, 45, 46; PI. 5, fig. 2 



perforata, 41; PI. 5, fig. 7 



ratnosa, 29-32 



var. gracillis, 34, 35; PI. 1, fig. 5, PL 5, 



fig. 6 

 var. granomembranacea, 37, 38; PI. 4 



fig- 4 

 var. granosa, 35; PI. 4, fig. 9 

 var. membranacea, 37; PI. 4, figs. 8, 12 

 var. multibrevis, 35, 36*, 37; PI. 1, 



fig. 4, fig. 6 

 var. ramosa, 33*, 34; PI. 1, figs, i, 6; 



PL 3. fig- i 

 var. reticulata, 38; PI. 1, figs. 2, 3 



tertiaria, 43 



sp. 46; PI. 9, fig. 9 

 Hystrichosphaeridium, 55, 56 



aquitanicum, 70 



arborispinum, 61 ; PI. 9, figs. 5, 10 



arundum, 70 



bowerbanki, 69, 70; PI. 8, figs. 1, 4 



clavigerum, 70 



costatum, 62, 63; PI. io, fig. 4 



deanei, 58, 59; PI. 6, figs. 4, 8 



gliwicense, 70 



Ai//i, 70 



irregulare, 70 



latirictum, 66; 67; PI. 10, fig. 8 



mantelli, 66; PI. 6, fig. 6 



patulum, 60; PI. 10, fig. 5 



polyplasium, 70 



radiculatum, 65; PL 7, fig. 8, PL 9, 

 fig. 6 



readei, 64, 65 ; PL 6, fig. 3 



recurvation, 67, 68 



salpingophorum, 61, 62, 63; PL io, fig. 6 



simplicispinum, 59, 60; PL 9, fig. 3 



sheppeyense, 68, 69; PL 11, fig. 3 



stellatum, 70 



tubiferum, 56, 57*, 58; PL 6, figs. 1, 2, PL 8, 

 fig. 5, PL 10, fig. 2 

 var. brevispinosum, 58; PL 10, 

 fig. 10 

 Hystrichosphaeropsis, 138, 139 



borussica, 139 



ovum, 139 



wetzeli, 139 



Isle of Wight, 22, 23 



Kaye, P., 18 

 Kilenyi, T. I., 18 

 Klement, K. W., 108, 159 

 Kofoid, C. A., 107 



Lejeune-Carpentier, M., 30, 31, 73, 159 

 Leptodinium , 108, 133, 134 



alectrolophum, 134*, 135; PL 15, figs. 3-6 



arcuatum, 135 



maculatum, 135 



membranigerum, 136 



mirabile, 136 



tenuicornutum, 136 

 Lithodinia, 108 

 Litosphaeridium, 55, 79, 80 



crassipes, 83 



flosculus, 83 



inversibuccinum, 82; PL 12, fig. 3 



siphoniphorum, 80*, 81*, 82; PL 7, figs. 

 7.8 



truncigerum, 83 



LOHMANN, H., 28 



London Clay; dinoflagellate assemblages 

 Table 1, 

 historical background, 20-27 

 stratigraphy, 20-27 



Macko, S., 9, 20 

 Maier, D., 31 

 Mantell, G. A., 19, 28, 66 

 Meiourogonyaulax, 144 



bulloidea, 146 



caytonensis, 146 



cristulata, 146 



valensii, 145*, 146; PL 15, fig. 7 

 Membranate cysts, 16 

 Membranilarnacia, 219 



pterospermoides, 219 



reticulata, 220*-222; PL 24, figs. 4-6 

 Microdinium, 108, 148, 149 



ornatum, 149*-i5i; PL 16, figs. 3, 6 



setosum, 150, 151; PL 16, figs. 9, 10 

 Morphology of dinoflagellate cysts, 10-16 

 Motile stage thecae, 10, 12 

 Muderongia, 202 



crucis, 204 



mcwhaei, 202 



perforata, 204 



simplex, 204 



