INDEX 



563 



Sertularella philippinensis, 199, 217. 

 polyzonias, 216. 

 polyzonias cornuta, 215. 

 Sertularia, 196. 

 digitalis, 218. 

 divergens, 199, 213. 

 dubia, 213. 

 minuta, 213. 

 pennaria, 234. 

 quadridentata, 220. 

 tenuis, 213. 

 tubitheca, 221. 

 Sertularidae, 196, 199, 213. 

 Sertularinae, 196. 

 sessile, Halecium, 202. 

 setigera, Biddulphia, 46. 



Rhizosolenia, 142. 

 setosa, Melosira, 92. 

 shadboltianum, Triceratium, 40. 

 sibolonensis, Cochlostyla (Cochlodryas) 

 mateoi, 422, 425. 

 Obba listeri, 345, 346. 

 signa, Cochlostyla (Cochlodryas) florida, 



411,414. 

 significans, Surirella, 158, 182. 

 sima, Amphora, 27, 176. 

 simile, Pleurosigma, 138. 

 similis, Campylodiscus, 158. 

 simplex, Bulimus, 449, 450. 

 Cochlostyla, 450. 

 Cochlostyla (Eudoxus), 449, 453. 

 Eudoxus, 449. 

 Helicostyla, 450. 

 Phengus, 450. 

 Stictodiscus, 150. 

 simulator, Navicula, 120, ISO. 

 sinuata, Amphora, 28. 



Mastogloia, 91, 92. 

 Skeletonema, 92, 94, 145, 161. 

 barbadense, 145. 

 costatum, 145. 

 mediterraneanum, 145. 

 mirabile, 145. 

 smithi, Obba listeri, 345, 351. 

 smithii, Cerataulus, 44. 

 Navicula, 106, 121. 

 sociale, Chaetoceros, 57. 

 solans, Navicula, 111. 

 solida, Cochlostyla roissyana, 398. 



Helix, 398. 

 solidus, Bulimus, 398. 

 Solium, 172. 



sparsus, Actinocyclus, 12, 13. 

 sparsus-punctata, Aulacodiscus oregon- 



us, 31. 

 spathulata, Nitzschia, 128. 



Podocystis, 140. 

 spathulatum, Euphyllodium, 140. 

 speciosum, Pleurosigma, 139. 

 spectabilis, Amphora, 21, 23. 

 Lytocarpus, 199, 234. 

 Navicula, 107, 121, 180. 

 spectabilsi, Amphora, 6. 

 spendidus, Coscinodiscus, 66. 

 Sphinctocystis, 9. 

 spiculifera, Navicula, 121, 180. 

 spinosum, Triceratium, 46. 

 spinulosa, Biddulphia, 46. 



spiralis, Hebella, 198, 208, 241. 

 splendens, Actinocyclus, 13. 



Actinoptychus, 15. 

 splendida, Mastogloia, 92. 



Navicula, 98, 117, 122. 

 splendida var., Navicula, 7. 

 squamosa, Mastogloia, 92. 

 Stauroneis, 95, 112, 113. 



apiculata, 61. 



obesa, 62, 111. 

 robusta, 112. 

 staurophora, Denticula, 130. 

 stauroptera, Navicula (Pseudo-Amphi- 



prora), 96. 

 Steatodryas (subg.), 430. 

 Steatodryas cepoides, 432. 

 Stechowia, 196, 230. 



armata, 199, 230, 242. 

 Steere, J. B., 375. 



steerei, Cochlostyla (Eudoxus), 451. 

 Stegopoma dimorpha, 198, 206, 241. 



fasciata, 206. 



fastigiata, 205. 



gilberti, 207. 



gracilis, 198, 205. 



medusiformis, 205, 206. 



plicatile, 195, 198, 204. 

 stelliger, Hyalodiscus, 85. 

 Stephanocidaris bispinosa, 259. 



glandulosa, 256. 

 Stephanopyxis, 75, 76, 92, 93, 145, 161. 

 (Stephanopyxis) Pyxidicula, 76. 

 Stephanopyxis aculeata, 145. 



appendiculata, 145. 



brunii, 145. 



robusta, 84, 92, 93. 



turris, 145. 



turris arctica inermis, 93. 

 Stereocidaris, 299. 



grandis, 299, 301,309. 



grandis rubra, 301, 309. 



indica, 303. 



microtuberculata, 300, 302, 309. 



sceptrifera, 292. 



sceptriferoides, 306. 



sceptriferoides lamellata, 304, 305 

 (fig.), 309, 310, 311. 

 Stictocyclus, 13, 146. 



various, 146, 181. 

 Stictodesmis, 147, 148. 



australis, 147. 

 stictodiscus, Actinocyclus, 13, 146. 

 Stictodiscus, 29, 146, 149, 150, 162, 163, 

 165, 168. 



affinis, 149. 



anceps, 166. 



argus, 149. 



bicoronatum, 167. 



bicoronatus, 166-168. 



californicus, 149, 150, 163, 181. 



eulensteinii, 149, 166. 



japonicus, 149. 



johnsonianus, 162. 



kittonianus, 149. 



kossuthii, 29. 



multifurcatus, 149. 



multiplex, 149, 166. 



nankoorensis, 149. 



