DESCEIPTION OF ENGEAVINGS. 



G89 



PLATE III. 



Group 131. 

 *131. 



132. 

 Fig. 133. 



137, 

 Group 139. 

 Fig. 140. 

 Group 141. 

 Fig. 142. 



143. 



144. 

 Group 1 45. 



146. 



147. 



148. 



149. 

 Fig. 150 



153. 

 Group 154. 



Gallionclla sulcata 



Actinocylus scnarius 

 to 136. Navicula viridis 



138. striatula 



■ Phcuniccntcrou 



.'' pcUufida 



ain])hisbacna 



platystoma 



■ nodosa 



Baltica 



hippocampus 



to 152. 



-aeus 



-siginoidea 

 -: uiidulata 

 -? splcuilida 

 -.*' auiphora 

 -iuxHjualis 



Group 155. Navicula ? librilc 

 Fig. 150 to 161 (except in group 157 

 those figures marked with a 

 cross) Eunotia turgida 



*157. Westermanni 



102, 163. Cocconeia scutellum 

 164. Euuotia triodon 



105. grauulata 



160, 167. Bacillaria paradoxa 



168. viilgaris 



169. elongata 



170. cuneata. 



171. Fragilaria grandis 



172. turgidula 



173. 174. rhabdo.soma 



175. bipuuctata 



176. pectiualis 



177 to 179. Meridon vernalo 

 180 to 182. Tessclla catena 



PLATE IV. 



Fi? 



Fig. 183. 



Group 184. 

 185. 

 *185. 

 186. 

 187 

 191 

 194 

 196 

 199 

 203, 

 205. 



Isthmia cnervis 

 Synedra idiia 



capitata 



lunar is 



Podosphcnia gracilis 



to 190. Gomi)honeinatruncatum 

 tol93.EehiiieUa fiabellata 

 195. Cocconema lanceolatum 

 to 198. cistida 



to202.Aehnauthcs brcvipes 

 204. Striatella arcuata 

 Aeincta mj'stacLna 

 Group 206. Syucyclia salpa 



Naunema Balticum 



Fig. 



Fig. 208. Schizonema ? Agardhi 



209. to 211. Cyclidium glaucoma 



212. Pautotriehuni enchelys 



213. Chactomonas globidus 



214. 215. Chaetotyiihla armata 

 216. to 218. Cliactogleua volvocina 

 219, 220. Peridhiiiuu tripos. 

 221. Michealis 



Figs. 222, 223. Peridiuiimi fusus 



224. to226.Glenodiniumapiculatum 



227. Triehodiua tentaculata 



228. to 230. pediculus 



231, 232. Urocontrum turbo 

 233, 234. Stentor Roeselii 



PLATE V. 



Figs. 253 236. Stentor caendeus 



237 to 239. ^'ol•ticella convallaria 

 240 to 245. Carchesium polypiuum 

 *245 246. Epistylis ? nutans 

 247 248. Zoothamniiuu arbuscida 

 249 to 254. Ophryiliuin versatile 



Group 255. Tinliimus iiiquiliiius 

 256. Yagiuieola deciunbcus 



Group 257. Cothurnia imberbis 

 Figs. 258, 259. Enchelys pupa 



260 to 265. farc.'men 



*265. Disoma vacillans 

 260. Actinophrys viridis 

 207, 268. Trichodiscus sol 

 209, 270. Podophrya fixa 

 271 to 273, Trichoda pura 



