im Sommer 1904 auf die biologischen Verhältnisse der Elbe bei Hamburg. 67 
1904 1905 1904 1905 
© | Untere ® Untere = “ 
Ba} == F | 3 
5} ee jun) Si Das Phytoplankton. September \8 September 2 
2): |2]2|2| 2 5 5 
aEEIEISIEIEIE 
Slslzl=>|2|35 9. |13.|20.|27.|30.|11.)|5. 12.19. |26.| 3. |1o. 
+) |+ Rhaphidium pyrenogerum Chod. f. septatum Chod. + 
SU O2 I setigerum W. & G. S. West.... .... +| |+-+ 
+ Closteriopsis longissima Lemm................ s u 
+++ ++ Kirchneriella contorta (Schmidle) Bohlin......... + /+1 ++! [+ 
+ + +l414/+/+ n Iunarıs@Schmidlefe enge + +4 +14+ 44414/4414 
+| |+ 5 ( F forma) obesa (West) 
Schmidle ...... + |+1 |+/4+ 
+! |+ +) [+ Selenastrum Bibrajanum Reinsch .............. + I+J#ll I I+! I+ 
+'+1+/+J4+!+/+/+-Jl Actinastrum Hantzschii Lagh................... IE GEIIAEI TE BEE LEE HEHE SE 
+) /+/4+/+/+/+/+/| Tetraödron caudatum (Corda) Hanse. ..... ....... +++ +J+4] I#1++1+41+ 
AL + + 2 e e „ £.ineisum Reinsch + ++ 
ar e „f. inerme Reinsch + 
E- > hastatum Reinsch ..  ..caeeacaeco.. 5 21 
+-+!++14]) |+ © minimum (A.Br.))Hanspr... can. + +++ 1+1+#l| I#1+1 I+ 
+ +++ & „ f.apieulata Reinsch | + + + 
+ I+/+l4+/+ e mutieum (A. Br.) Hansg nee + IH HH HH HH 44 
= z e » „ minimum Reinsch lt 
u e- „ f. minus Reinsch . u 
+ +1 (++! [+ sr vegulare Ktz. An re + +4) +1+/+ 
SL tumidulum (Reinsch)PHlanspiern...e... + 
SL Sehizochlamys SelatinosagA Bye sen. + 
+++] |+1+/+|+1 Sphaerocystis Sehroeteri Chodw reisten + 1414] +4 +44] 414 
nn Tetraspora gelatinosa (Vauch.) Desv............. + 
+ = INDrIcamAOT aaa +| 
+) /+/+4+/+J [+ Hormospora minor Naeg. ........2.22ccccc 22. +++) |+#41l4+ | +++ 
+ + Hofmannia appendieulata Chod. ...... ne! a + + 
nn Staurogenia apieulata Lemm.................. 14) + + 
+ +l4+/+/+/+ 4 tenestrata Schmidle.............. Ä + + +|+1+ 
+ + +++ R heteracantha) Nordst.... 2... .......... | + | ++/41414+ 
+4+/+1+44/4/+4+/+ s multisetaeschmidler een: ++] |+l4/ 414 1+/4| + 
+sesskelkelaell Me » „ van.punetataSchmidle IH +++) 4 + +1+/+ 
+ = quadrata IMOTENE S eekeae E= 
44/4441 4/+/+ e reetangularis A. Br. (einschließlich | 
Inrepularisawville)ere + +++ +/41+/+\+/++ 
+ +44) 41+/+ n Schroederi Schmidle................ + +++ 14/414 +/+ 
+ +! [++ I+ r tetrapedia, Kirehner................ + |+ ++) +/+/+ 
+ +1 [+/4+1+/+ (Crueigenia) triangularis Chod....... ++/+/+ ++/4+1+ 
+ 4444 41+/+ Dietyosphaerium Ehrenbergianum Naeg.......... Sean same seselneiaraelanneine 
[a8 DE BE LEITER. > pulchellum Welse ALL ISSUE SE IE 
+ /+ + renitormer Bulnesa re n.e. ++] + 
4 +++ /4141+ Tetracoceus botryordess WERTE ee ++++]) (41444444 
En + +! Nephrocytium Agardhianum Naeg. ............... m ++ 
E= > „ forma majus Naeg. + 
+ |+ Eu lunatum VCH EINER + + ++ 
++ Golenkinia radiata Chodgresr een: : ++ 
+ |+#++1+/++1-+! Richteriella botryoides (Schmidle) Lemm. ......... + ++! [+ IF HIHI 
+ I4'+ nr 5 „» f. quadriseta 
(Lemm.) CHOR ER. 55 ++ 
+ |+ Lagerheimia genevensis Chod................... + ++ | 
+ + rn IR Br var.  subglobosa 
(Lemm.) Chod....... +++ 
+ 5, IMarssonI a OTn nee + | 
+ + n wratislawiensis Schroeder .......... + #| 
