97 



Oestru.p, E. Fiesliwater - Diatoms, 

 in •■ Botauy of tlie F;i?roes, based upon 

 Danisli Investigations." Part I, Copen- 

 hagen, (DetNordiske Foiiag). I;ondon, 

 (J! Wheldon and Co.), 1901, (262-290, 

 with figures in the text), 26 cm. 

 [8000 da 7400]. 1242 



Phytogeogi'aphical Studies 



based upon the Freshwater-diatoms, in 

 " Botany of the Faeroes, based upon 

 Danish Investigations." Part I, Copen- 

 hagen, (DetNordiske Forlag). London, 

 (J. Wheldon and Co.), 1901, (291-303). 

 26 cm. [8000 da 7400]. 1243 



Okamura. Kintaro. Chondrococciis 

 japunicus. [Rhizophyllidaceae]. (Japa- 

 nese) Matsimmra, Jinzo. Cryptog. Jap. 

 icon, illustr., Tokyo, Vol. I, No. 12, 

 1901, (pi. 46-50). [7400]. 1244 



Ono, Naoe. Hydrurus foctidus foiind 

 in Japan (Japanese). Tokyo Bot. Mag., 

 15, 1901, (71-74). [7400 7900]. 1245 



Osgood, W. H. Natural History of 

 the Cook Inlet Region, Alaska. — Flora. 

 Washington, D.C., U.S. Dept. Agric, 

 N. Amer. Fauna. Div. Biol. Surv., 21, 

 1901,(53-56). [5000 8000 3a]. 1246 



Natural History of Queen 



Charlotte Islands. — Flora. Washington, 

 D.C., U.S. Dei3t. Agric, N. Amer. Fauna. 

 Div. Biol. Surv., 21, 1901, (11-16). 

 [50U0 8000 3fi]. 1247 



Ostenfeld, C. H. Enbotanisk Rejse til 

 Fff-rtierne i 1897. [Botanical travels in 

 the Fajroes in 1897.] Kjobenha-sai, Bot. 

 Tids., 24, 1901, (2.3-78). [8000 da 

 3200]. 1248 



Danske Former af Slsegien 



Euplirasia. [Danisli Species of the 

 Genus Euplirasia] (Danish). (Kjobeu- 

 havn, Bot. Tids. , 24, 1901, (XXIV-XXVI). 

 [8000 da 5400]. 1249 



Phanerogamae and Pteri- 



dophyta. Botany of the Faeroes, I, (Det 

 Nordiske Forlag), Copenhagen, 1901, 

 Febr. 25, (41-99, with figs.). [8000 da 

 5400 6000]. ■ 1250 



Phy to-geographical Studies 



based upon observations of "Phanero- 

 gamae and Pteridophyta ' ' [of the 

 Faeroes]. Botany of the Fteroes, I. (Det 

 Nordiske Forlag), Copenhagen, 1901, 

 Febr. 25, (100-119). [8000 da]. 1251 



Phytoplankton fra det 



Kaspiske Hav (Pliytoplankton fi-om the 

 Caspian Sea), Kiobenhavn,Nath. Medd., 

 June 27, 1901, n'29-139). [7400 9000 

 N 0431 0427]. 1252 



Ostenfeld, C. H. v. ^SlenU, S. 



Ostenfeld, C. H., and Schmidt, Johs. 

 Plankton fi-a det Rode Hav og Aden- 

 bugten (Plankton from the Red Sea and 

 the Clidf of Aden). Kjobenhavn, Nath. 

 Medd., Aug. 12, 1901,(141-182). [7400 

 9700]. 1253 



Osterwalder, A[doIfl. Fine Bliithe 

 von CypripedUiim spectahile Sw. nut 

 Ruckschlagserscheinungen. Flora, Mar- 

 bur o-, 88, 1901, (244-247). [1500 1800 

 6000]. 1254 



Nematoden als Feinde des 



Garteuljaues. Gartenfiora, Berlin, 50, 

 1901, (337-346, mit 1 Taf.). [4100 

 N 1419]. 1255 



Ostrowski, Georg Stanislaus von. 

 Ueber den Einfluss ktinstlicher Dlinge- 

 mittel auf die Erntemenge mid die 

 Zusammensetzung der Vicia villosa. 

 Diss. Leipzig tRossberg), 1901, (63). 

 22 cm. [3060 3120 5400]. 1256 



Otto, Richard. Die chemische Zu- 

 sammensetzung des einjiiluigen Holzes 

 der Obstbiimne nach den vier ver- 

 schiedenen Hiimnelsgegenden. Garten- 

 flora, Berlin, 50, 1901, (177-181). 

 [3120]. 1257 



Ueber die Veriinderimgen 



in der chemischen Zusanunensetzvmg 

 der Ae^Dfel beim Lagern. Gartenflora, 

 Berlin, 50, 1901, (318-32]). [3120 

 D 6500 Q 1875]. 1258 



Weitere Beitrage zur 



chemischen Zusammensetzung ver- 

 schieduer Apfelsorten aus dem Konigl. 

 pomologischen Institut zu Proskau 

 O.-S. Gartenflora, Berlin, 50, 1901, 

 (259-263). [3120 D 6500 Q 1875]. 



1259 

 Oudemans, C[orneil]e] A[ntoine] 

 J[ean] A[braham]. Bydrage tot de 

 kenuis van eenige tot hiertoe onbeschre- 

 ven of slechts oppervlakkig gekende 

 fungi. (le-4e gedeelte en slot.) [Con- 

 tributions to the knowledge of some un- 

 described or imperfectly kuoA\Ti fungi. 

 (lst-4th Part).] Amsterdam, VersL 

 Wis. Nat. Afd. K. Akad. Wet., 9, 1901, 

 (140-157, 2.50-305, 347-362, 380-393, 

 with 4 pi.) (Dutch) ; Amsterdam, Proc. 

 Sci. K. Akad. Wet., 3, 1901, (140-156, 

 230-244, 332-347, 386-400, with 5 pi.) 

 (English). [4050 7700]. 1260 



• Contributions a la flore 



mycologicpie des Pays-Bas. (XVII). 

 Nymecjen, Ned. Kruidk. Arch., (Ser. 3), 

 2, [1903 ?], (170-353, avec 2 pk). 

 [8000 cW]. 1-61 



