146 



BIOLOGY OF THE RICHMOND RIVER, 



Figs. 14-15. — Chlamyddmonas sp., (prob. interrnedla Cliod.), young 

 non-motile forms; p. pyrenoid, c.v. contractile vesicle (x 

 1056). 



Figs. 16-17. — Gk'ocy.'itis-iorms of (probably) CJil. infcnncdia ; 16, a 

 homogeneous coenobium which has got frayed out at the 

 perii^hery, the cells, as a result, tending to be cordate; 17, 

 a compound ca?nobium with cells in pairs, head to tail 

 (x352). 



Plate iii. 



Fig.l. — Spiro(j!/ra Lismorensis, n.sp. (x470). 



Fig. 2. — Pen. ausfralc Rac, end-view of choroplasts (x352). 



Fig. 3. ijluhosum var. Wullei, i. maxima, n.f. (x352). 



Fig. 4. — Clo.sfciiinn acci^jsinn var. anuolcnse W.&G.S.West, f. (x 



264; (r/), tip (x704). 



Fig. 5. var. Casino'cnse, n.var. (x704). 



Fig. 6. — Cosmariion aiujuJutinn f. major Grun. (x352). 



Fig. 7. 1—— — — — var. conicum, n.var. (a) + var. 



suhcucvlmis (Schm.),(6),(x352). 



Fig. 8. var. suhcucumis (Schm.) (x352). 



Fig. 9. — Cos. anfjiilafum f. major Grun., ((/) + var. suhcucumis 



(Schm.), (h) (x352). 

 Fig. 10. suhcostdlinii var. Bcckii (Gutw.) "W. ct G. S. West 



(x704). 



Fig. 11. var. australc, n.var. (x704). 



Fig. 12. BUjttii var. liichmondiw, n.var. (x704). 



Fig. 13. xixr.Caslnoense, n.var. (x704). 



Figs. 14-16. — Cos Sccleyaninn var. cdcuans, n.var. (x704). 

 Fig. 17. — Cos. maunificum var. fluviatilc, n.var. (x352). 



Fig.18. drnfifcrum Corda (x235). 



Fig.l9. var. porrccUnn (Nord.) (x352). 



Fig.20. forma (x352). 



Fig.21. (Nord.) (a), + var. quad- 

 rum (Lund.) (6) (x352). 



Fig. 22. var. suhhifum (Nord.) (x 235). 



Fig. 23. — Hijdrodictjjon rcticidafum var. minimum, n.var. (x704). 



Fig. 24. var. nodosum, n.var. (xl75). 



Fig. 25. var. Bcrnardii, mihi (x70); (a) 



chloroplast very much magnified. 

 Fig. 26. — rcdinstriim tctras var. intc(jrum (Nag.), development out 



of ctenobium of Pedi. tetras (x704). 



Fig. 27. Boryanum var. capitatu'm, n.var. (x352). 



Fig. 28. — KirchncricUa lunaris var. approximate, n.var. (x704). 

 Fig.29. ' var. aperta (Teiling) (x704). 



