372 



Index 



Vanheurckia rhomboides var. saxonica 



(Rabenh.) G. S. West, 294. 

 vulgaris (Thw.) V. H., 294. 

 Vaucheria D. ., 14, 15, 17, 55, 109, 



111, 113, 248, 291, 339, 343. 

 aversa Hass, 114. 

 dichotorua (Lyngb.) Ag., 114. 

 geminata (Vauch.) D. C., 110 (fig. 



42 A, F H), 113. 



hamata (Vauch.) Lyngb., 112 (fig. 



43 C and D), 114. 



sericea Lyngb., 110 (fig. 42 B and 



D), 112 (fig. 43 E), 114. 

 sessilis (Vauch.) D. C. 55, 110 (fig. 

 42 C and E), 112 (fig. 43 A 

 and B), 113. 

 synandra, 112. 

 terrestris Lyngb., 114. 

 Vaucheriacese, 1517, 27, 29, 30, 33, 



50, 53, 109114. 

 Vaucheriales, 29, 248. 

 Vegetative multiplication, 13, 14. 

 Voigt, 270. 

 Volvocacete, 5, 16, 23, 24, 30, 51, 110, 



179, 184197, 202. 

 Volvoceae, 186, 190197. 

 Volvox (JL.) Ehrenb., 17, 23, 30, 190, 



195, 196, 197. 

 aureus Ehrenb., 196 (fig. 78 A, C, 



and D), 197. 



globator (L). Ehrenb., 196 (fig. 

 78 B), 197. 



Wager, 258, 308, 310. 



Wallich, 140. 



Water-bloom, 315, 316. 



Water-net, 209. 



Weed, 307. 



Wellheim (Pfeiffer R. v.), 8. 



Welwitsch, 130. 



West (G. S.), 2, 6, 27, 28, 55, 72, 138, 

 143, 145, 146, 148, 168, 205, 

 307, 314. 



West (W.), 117, 125, 126, 140, 170, 

 221 236 254 



West (W.) & West (G. S.), 5, 2628, 

 53, 115, 117, 118, 123, 125 

 127, 129, 131, 138, 140, 141, 

 143, 146, 183, 192, 214, 216, 

 221, 233, 237, 250, 253, 282, 

 306, 312, 321, 324. 



Westella De Wild., 204, 236. 

 nimbatus De Wild., 204. 



Whipple, 186. 



Whipple & Jackson, 270. 



Whipple & Parker, 13. **\ i 



Wildeman (de), 94, 204. 



Wille, 1, 22, 28, 32, 59, 72, 73, 99, 



103, 170, 171, 189, 202, 217, 



310, 311. 



Willed Schmidle, 215, 217. 

 Wisselingh, 51, 132. ' 

 Wittrock, 1, 63, 80, 81, 107, 118, 119. 

 Wolle, 1, 2, 18, 77, 182, 314. 

 Wright, 316. 



Xanthidium Ehrenb., 138, 144, 151, 168, 



170. 

 antilopaum (Breb.) Kiitz., 169 (fig. 



63 B), 170. 

 armatum \Breb.) Rabenh., 169 (fig. 



63 A), 170. 



concinnum Arch., 170. 

 cristatum Breb., 170. 

 Xanthophyll, 248, 264. 

 Xenopus Isevis, 7. 



Zacharias, 308, 309, 310. 

 Zonal-view (of Diatom), 261. 

 Zonatrichia J. Ag., 340. 



calcarea (Eng. Bot.) Endl., 340. 

 Zoogonidia, 15. 

 Zoospores, 15. 

 Zopf, 308. 

 Zukal, 308, 309. 

 Zumstein, 23. 

 Zygnema Ag., 51, 54, 115, 117, 123 



125, 127, 129, 130, 140. 

 anomalum (Hass.) Cooke, 131. 

 cruciatum (Vauch.) Ag., 131. 

 ericetorum (Kiitz.) Hansg., 129, 130, 



(fig. 47 C). 

 insigne (Hasn.) Kiitz., 130 (fig. 



47 E), 131. 

 leiospermum De Bary, 130 (fig. 



47 D). 



pachydermum West, 28, 30. 

 pachydermum var. confervoides 



West, 117. 



pectinatum (Vauch.) Ag., 131. 

 Ealfsii (Hass.) De Bary, 130 (fig. 



47 F). 



spontaneum Nordst., 30, 123. 

 stellinum (Vauch.) Ag., 130 (fig. 



47 A). 



Vaucherii Ag. var. stagnate (Hass.) 



Kirchti., 130 (fig. 47 B), 131. 



Zygnemacete, 7, 11, 13, 14, 16, 30, 50, 



54, 114, 115, 116135. 

 Zygnemeae, 115117, 119, 121, 123 



135, 143. 

 Xygogonium Kiitz., 124, 129. 



CAMBRIDGE I PRINTED BY J. AND C. F. CLAY, AT THE UNIVERSITY PRESS. 



