BIBLIOGRAPHY OF LIMNOLOGICAL LITERATURE 721 
OsBORN, H. F. — The Hueifano lake-basin, South California, Bull. Amer. 31 us. Nat. 
Hist. (New York), IX. 247. 1897. 
Osgood, W. H. — Lake Clark, a little - known Alaskan lake, Nat. Geogr. Maq. 
(Washington), XV. 326. 1904. 
OsTENFELD, C. H. — Phytoplankton fra det Kaspiske Hav, Videnslc. Medd. Naturh. 
Foren. Kdoeiihavn, 1901, 129. 1901. 
Studies on phytoplankton : I. Notes on phytoplankton of two lakes in Eastern 
Norway ; II. A sample from a lake in Iceland ; III. Phytoplankton from some 
tarns near Thorshavn (Stromo) in the Faroes, Bot. Tidskr. (Kobenhavn), XXV. 
235, 1903 ; XXVI. 231, 1904. 
Beitrage zur Kenntnis der Algenflora des Kossogol-Beckens in der nordwestlichen 
Mongolei, mit spezieller Beriicksichtigung des Phytoplanktons, Hedwigia 
(Dresden), XLVI. 365. 1907. 
Notes on the phytoplankton of Victoria Nyanza, East Africa, Bull. Mus. Com}). 
Zool. (Cambridge, Mass.), LII. 171. 1909. 
See BoRGESEN, F. 
and Wesenberg-Lund, C. — A regular fortnightly exploration of the plankton of 
the two Icelandic lakes, Thingvallavatn and Myvatn, Proc. F^oy. Soc. Edin., 
XXV. 1092. 1906. 
OsTERWALD, — d'. — Notice sur I'elevation du lac de Neuchatel au-dessus de la mer, 
Mem. Soc. Sci. Nat. Neuchatel, I. 146. 1835. 
OsTWALD, W.— Zur Theorie des Planktons, Biol. Oentralbl. (Leipzig), XXII. 596. 
1902. 
tiber eine neue theoretische Betrachtungsweise in der Planktologie, Forschungsher. 
Biol. Station Plon (Stuttgart), X. 1. 1903. 
Otley, Jonathan. — Account of the Floating Island in Derwent Lake, Keswick, Mem. 
Lit. Phil. Soc. Manchester, III. 64. 1814. 
Further observations on the Floating Island of Derwent Lake ; with remarks on 
certain other phenomena, 3fem. Lit. Phil. Soc. Manchester, V. 19. 1831. 
OuDNEY.— Account of the Trona Lake in Africa, Phil. Mag. (Lond. ), LXIV. 387. 
1824. 
OusLEY, Ralph. — An account of the moving of a bog and the formation of a lake in 
the county of Galway, Ireland, Trans. Roy. Irish Acad. (Dublin), II. 3. 1788. 
Packard, A. S. — Insects inhabiting Great Salt Lake and other saline or alkaline lakes 
in the west, Ann. Rep. U.S. Surv. Terr. (Washington), VI. 743. 1873. 
Paladini, F. — Esplorazione ifcaliana del lago d'Urmia, Boll. Soc. Geogr. Ital. (Roma), 
ser. 3, X. 1897. 
Palazzo, Luigi. — La stazione limnologica di Bolsena, Boll. Soc. Geogr. Ital. (Roma), 
ser. 4, V. 407. 1904. 
Parkinson, J. — Some lake-basins in Alberta and British Columbia, Geol. Mag (Lond.). 
VIIL 97. 1901. 
Parnell, Richard. — Observations on the Coregoni of Loch Lomond, Ann. Nat. Hist. 
(Lond.), I. 161. 1838. 
Parrot, Friedrich. — Memoire sur I'expedition pour determiner le niveau de la Mer 
Caspienne, Bull. Acad. Sci. St. Petersh., I. 81, 89. 1836. 
Second voyage au lac de Burtneck en 1835, Bull. Acad. Sci. St. Petersh., III. 
p. XXV. 1838. 
See Engelhardt, M. 
Pasquier, L. du, and Sarasin, Edouard. — Les seiches du lac de Neuchatel, Arch. 
Sci. Phys. Nat. (Geneve), ser. 3, XXXI. 213, 1894 ; XXXIII. 193, 1895 ; Bidl. 
Soc. Sci. Nat. Neuchatel, XXL 41, 1894 ; XXIII., 1895. 
Passarge, Siegfried. — Herr Dr. S. Passarge iiber seine Reisen in Siid-Afrika, 
Verh. Ges. Erdk. Berlin, XXIV. 475, 1897 ; XXV. 513, 1898. 
Die Hydrographie des nordlichen Kalahari-Beckens, V crh. VII. Internat. Geogr. 
Kongr. (Berlin), 1899, II. 774. 1901. 
■ Die Kalahari (Berlin). 1904. 
Pattison, S. R. — Note on post-glacial lake-basins in Westmoreland, Geol. Mag. 
(Lond.), VI. 272. 1869. 
Patton, H. B.— See Diller, J. S. 
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