KI:I -n\\ vmi \IJQM OF Tin: >"i MI OEKVB1 129 



n. CONJUGATE 

 UESOTrtNIACEA. 



30. MKSOT^ENH M KNDUCHERIANUM, Naeg. t GcUt. tinzrll. Alg. t 1849, p. 109, t&l. < 

 West and West, Brit. Dcsm., 1904, p. 56. pi. iv., figs. 20, 21. 



S.mij'l.- 15. fairly common ; samples 1 and 3 (yellow snow !), isolated. 



There appeared to be more than two pyrenoids. Cells 24-26 M long ; 8-9 M broad. 



:: I . CYLINDROCYSTIS RREBISSONII, Menegh., Monograph. Nostoch., 1842,p. 89, tab. xii., 

 fig. 13 ; West and West, Brit. Desm. t 1904, p. 58, pi. iv., figs. 23-32. 



Sample 8, fairly common ; previously recorded from South Georgia (Reinsch). 

 Two elongated pyreuoids mostly very obvious ; length of cells - 50-54 M ; 



breadth I :: <. 



32. CYLINDROCYSTIS CRA88A, Dt- llttry, Conj. t 1858, pp. 37, 74, tab. vii., fig. c, 1-2; 

 West and West, Brit. Desm., 1904, p. 59, pi. iv., figs. 33-38. 



Samples 8 and 9, fairly common. 



Cells 32-35 M long; 14-1 5 M broad. Two rounded pyreiioids. Cells occasionally 

 very slightly curved, with broadly rounded ends. 



ZYQNEUACK^E. 



33. MOUQBOTIA, sp. 



Sample 8 ; only one filament of four cells seen. 

 Cells 3 1 n broad ; six times as long. 



34. ZYGHKMA, sp. 



Sample 4 (red snow !) ; one very much shrunken filament of about twenty cells. 

 Diam. cell. = 28 M ; cells of the same length or one and a half times as long as broad. 



C. HETEROKONTjE. 

 CONFERVACE& 



35. CONFERVA BOMBYCINA, Ag., Syst., p. 83, n. 10; Rabenh., Fl. Europ. Alg., iii., 

 1868, p. 323. 



Forma minor, Wille, Algol. Mitteil., Pringsh. Jahrb., xviii., p. 467. 

 Samples 8, 9, 10, and 15, rather rare. 

 Diam. cell = 6/u ; two to three times as long. 



D. CYANOPHYCEvE (Myxophyce*). 

 CHROOCOCCA CE;. 



36. SYNECHOCOCCUS .KRCOINOSUS, Naeg., Gait, einzell. Alg., 1849, p. 56, tab. 1, K., 

 fig. 1. 



Sample 10, rather rare. 



Cells isolated or in twos ; diam. cell = 3 M 



VOL. III. 17 



