14 INDEX. 



Jlacrochlamrs si/lhetetisis, Fig. 9, PI. CXXIII., Part XI., 251. 



sylvatica, Fig. 7, PI. CXXIII., Part XI., 271. 



suhangidata. Fig. 4, PI. CXXVI., Part XI., 259. 



suhj<cta. Figs. 1-1 h, PI. CXVIII., Part XL, 241, 242. 



suhjiava, Figs. 4, 5, 7, 7«, 9, PI. CXIX., Part XI., 255. 256 ; Figs. 1-1 c, 



2-2 c, 4, PI. CXXII., Part XI., 256, 257 ; Fig. 8 (radula), P). CXXIX., 



Part XI., 255. 



superjhM, Part X., 162 ; Figs. 7-7 6, PI. CXXVIU., Part XI., 268. 



terminalis. Fig. 8, PI. CXXXI., Part XI., 267. 



terminus (spermatopliore). Figs. 3, 3 «, PI. XCIV., Part IX., 134, 136 ; 



Fig. 5, PI. CXXVIII., Part XL, 251. 



lugurium, Figs. 1-7, PI. CIV., Part X., 151. 



uda (spermatophore). Fig. 1, PI. XCIV., Part IX., 133 , 136. 



udus, Figs. 13, 13 fl, PI. CXXVIU., Part XL, 252 ; Figs. 10, 10 a, 



PI. CXXXI., Part XL, 252. 



vertex, Fig. 6, PI. CXXIII., Part XL, 262. 



vesica, G.-A., Figs. 2-2 c. Pi. CXVIII., Part XL, 243; Figs. 3-3 r, 



PI. CXVIII., Part XL, 248; Figs. 1-1 c, PI. CXX., Part XL, 



249 ; Figs. 5-5 c, PI. CXVIII., Part XL, 249. 

 -, var., Fig. 2, Pi. CXXL, Part XL, 251. 



, var. anomelus. Figs. 4-4 c, PI. CXVIII., Part XL, 250. 



, var. oglei. Figs. 1-1 c, PL CXIX., Part XL, 250 ; Figs. 2-2 b, 



PI. CXX., Part XL, 250 ; Fig. 5, PI. CXXIL, Part XL, 250. 



vesiciila. Figs. 1, 1 o, PI. CXXI., Part XL, 243, 244. 



? xvynnei, Figs. 3, 3 a, PI. XCV., Part IX., 118. 



zemoensis. Figs. 1-1 h, PL CX., Part X., 164. 



MAEI^LLA, 113. 



Mari»lla dussumieri. Figs. 1-1 f, 2-2 c, PL XCIIL, Part IX., 113; (sper- 

 matophore). Figs. lb,\c, PL XCIIL, Part IX., 133. 



MICEOCYSTINA, 48, 110. 



-MiiTOcystina lita, Figs. 1-1 c, PL XCIL, Part IX., 111. 



moerchiana. Fig. 9, PL III., Part I., 13 ; Part VIIL, 47. 



perfucata. Fig. 4, PL XCIL, Part IX., 110. 



, var. hintennensis. Figs. 3-3 i, PL XCIL, Part IX., 110. 



warmfordi. Fig. 8, PL III., Part I., 13 ; Part VIIL, 47. 



MICROCYSTIS, 111. 

 Microcystis amice. Figs. 3-3 h, PL XCIIL, Part IX., 111. 



