INDEX 



aberrans, Dictyocladium, 195, 199, 214, 



241. 

 abjecta, Biddulphia, 33, 177. 

 abrupta, Navicula, 94. 

 Acanthella effusa, 199, 229, 241. 

 Acavus (Tachea) decorus, 430. 

 Achatina cincinniformis, 440. 

 Achnanthes, 10, 11, 60, 143, 175. 



baldjikii, 12. 



brevipes, 11. 



cocconeiformis, 10, 176. 



compacta, 10, 176. 



crenulata, 11. 



danica, 12. 



exigua, 12. 



flahaulti, 11. 



heteromorpha, 11, 60. 



hexagona, 11. 



inflata, 11. 



lanceolata, 11. 



longipes, 10, 11. 



pennaeformis, 175. 



subsessilis, 11. 



tenuistauros, 11, 176. 



ventricosa, 11. 

 Achnanthidium danicum, 12. 



javanica, 12. 

 achnanthioides, Mastogloia, 87, 178. 

 Achnathes mammalis, 61. 

 Acoetes magnifica, 315. 

 Acoetidae, 186. 

 acrosphaeria, Navicula, 94. 

 Acryptolaria, 210. 



"normani, 199, 208, 209, 241. 



pulchella, 199, 210. 

 Actinocyclus, 12, 13, 58, 70, 146, 175. 



bipartitus, 12, 176. 



curvatulus, 12. 



decussatus, 12, 176. 



ehrenbergii, 165. 



nebulosus, 12, 13. 



obscurus, 13. 



pruinosus, 13. 



punctulatus, 12, 13. 



rotula, 13. 



sparsus, 12, 13. 



splendens, 13. 



stictodiscus, 13, 146. 



subtilis, 13. 

 Actiuodiscus, 13, 29, 79. 



barbadensis, 14. 



grayii, 14. 



horologium, 29. 



schleinitzii, 13. 

 Actinoptychus, 13, 14. 



amblyceros, 14. 



annulatus, 14, 15. 



areolatus, 14. 



116415—39 2 



Actinoptychus biseptinarius, 15. 



hexagonus, 14. 



hispidus, 14. 



janischii, 14. 



laevigatus, 15. 



moelleri, 15. 



parvus, 15, 176. 



splendens, 15. 



subangulatus, 15. 



tenarius, 15. 



trilingulatus, 14, 15. 



undulatus, 14, 15. 

 aculeata, Stephanopyxis, 145. 

 acus, Glyphodesmis, 78, 178. 



Pleurosigma, 132, 181. 

 acutispina, Histocidaris, 247, 248-249 



(fig.), 307, 310. 

 adeei, Anisodiscus, 28, 176. 

 admirabilis, Stoschia, 70, 150, 151. 

 adonis, Navicula, 122. 

 adornatus, Campylodiscus, 8, 48. 

 adriatica, Podocystis, 140. 

 adriaticum, Rhabdonema, 141. 

 adriaticus, Campylodiscus, 48. 

 adspersa, Chrysallis, 505. 

 aegrota, Cochlostyla, 380, 381. 



Cochlostyla (Corasia), 380. 



Corasia, 380. 



Helicostyla, 381. 



Helix, 380, 381. 



Helix (Corasia), 380. 

 aestiva, Navicula, 94, 106, 120, 121. 

 affine, Chaetoceros, 56. 



Pleurosigma, 133, 136. 

 aflinis, Stictodiscus, 149. 

 affirmata, Mastogloia, 87. 



Navicula, 92. 

 africanus, Coscinodiscus, 64. 

 Aglaophenia, 226, 231, 237. 



calycifera, 199, 231, 237. 



cupressina, 231. 



divaricata, 199, 232. 



macgillivrayi, 199, 231. 



mccoyi, 232. 



philippina, 235. 



phoeniceus, 233. 



ramosa, 232. 



(Lytocarpia) secunda, 234. 



triramosa, 199, 219, 232, 242. 



urens, 199, 232, 235. 

 Aglaopheninae, 197. 

 aglaophenoides, Plumularia, 199, 222, 



224, 241. 

 alampe, Cochlostyla virgata, 457. 

 alata, Amphora, 8, 17. 



Nitzschia, 125, 126. 

 albersi, Bulimus, 448. 



Cochlodryas, 448. 



535 



