232 
A. J. BROOK, H. KUFFERATH. R. ROSS, P. A. SIMS 
toplankton. of tlie Third Tanganyika Expédition conductcd bv Dr. W. 
A. Cunnington 1904-1905. J. Linn. Soc. {Bol.), 38 : 81-197. 
7, O.?- 0 “,’; Birkct Qaron, Egypt. J. Sol., Lond., 
47 ; iH-iAA. 
7, froni the Alljert Nyanza. J. Bol., Lond., 
a sér'’ 
7.. 7 Frcsh-Walcr Algae of tlie Percy Sladaii Memorial Expe- 
^^OS-mi. Ann. S. Afp. Mns., 9 : 01-90 
/-.OP,/ 50 SoTso '’I- Algae. /. Bot.. 
~Ce ~r I’'‘’rfher Contribution to our KnoAviedge of the Two 
Atncan Specic.s of Volvox, J. Qiiekcll. micr. Cl., svv. 2, 13 : 425-428. 
u^' ~ ^ Contribution to our Knowledge of the 
ï'/ww.5oc. Eonc/. (Bol.) ser 2 
5 : 41-90. ’ ' ’ 
— (1896). — Algae from Central Africa. .1. Bol., Lond., 34 : 377-384. 
ni; 7.r African Freshwater Algae. J. Bot., Lond., 
35 : 1-7, 33-42. 77-89, 113-122. 172-183, 235-243, 264-272, 297-304. 
7 ‘î®'?"";''''' Alsae in . Catalogue of the Afriean iilants 
lolletled by Dr. 1 -, Wehvjtseh jn 1853-181)1 ». 2 : 329-381 (London). 
\\iiiGi.EswonïH (i (1928). -- The Development of Coenohia from resting 
aiH res tn he .kfr.can IValer-net (Hydrodictyon africannn, Yam.). .t/em! 
■Vanchr. ht. pi,11. Soc., 72 : lôl-ni. 
"'"''•f, ‘'‘''‘SI 'O" J- .Mcnyhardl in .SUdafrika gesam- 
incite Susswasseralgen. o.sl. bol. Z., 53 : 89-95. 
WiTTttoCK V. & XontiSTEDT O. (1893). Algae aquae dtileis ex.siccalae 
praecipue seandmavicae quas adjeclis chlorophyllaceis et phvco- 
cbroinaceis distribuerunt... Bot. XoNser, 1893 : 185-200i 
WITTHOCK V., .Nobostedt O. & Laoeh ujo.M (i. (1903). — Algae aquae dul- 
.■Momnl"';!”"'S?“"‘""avicae, quas adjectis algis marinis 
ihloioplijllaceis et phycoeliromaceis distribuerunt, V. Wittrock O 
Nordstedt et (.. Lagerheim. Faso. 35 + Index (Lundi. 
Woli.ey-Dod A. H. .see Bonus H. 
WOI.O.SZVNSKA J (1914). — Studicn liber das Phytoi)lankton des Victo- 
184*223 '*■ * Zellpllanzen Ostafrikas ». Hedwigia, 55 : 
WORTHINGTON E. B. (1930). — Obscrvatious on the Température, Hydro- 
gen ion coneentration and other phy.sical conditions of the Victoria 
and Albert Nyanzas. Int. Bev. UydrobioL, 24 : 328-357. 
Ea 7 of the Cambridge Expédition to the 
,, ~ Seientific Results of the Cambridge Expédition to the 
East African Lakes, 1930-1931. The vertical distribution and move- 
uient of the P ank on m Lakes Rudolf, Naivasha, Edward and Bunyoni 
J. I-inn. Soc. (Zool), 40 : 33-69. oojuii.. 
Yamanouciii s. (1913). 
Craz., 55 : 74-79. 
- Hydrodictyon africanuin, a new spccies. BoL 
