Neue Litteratur. 1 1 7 



Boyer, CS. 1904 (received 1906). Systematic Palaeontology : Cryptogamia. 

 (Geol. Surv. Maryland. 1904. p. 487—507. pl. CXXXIV-CXXXV.) 

 [A list of Diatomaceae. — D. P. Penhallow.] 



Burns, Q. P. 1904 [received 1906]. Formation of Peat in Dead Lake. 

 (Ann. Rep. Michigan. Ac. Sc. VI. p. 76 — 77.) [Describes the process 

 of filling a lake by deposition of plant remains. — D. P. Penhallow.] 



Cash, W. 1906. The fossil plants of the Yorkshire Goal Measures. 

 Part 1. — What and how to observe, collect and record. (Naturalist. 

 591. 1906. p. 116—120.) 



Goebei, F. 1906. Protocalamariaceae Potonie 1899. [V. M.] (Cbl. Mineral. 

 Geol. u. Paläontol. 1906. 8. p. 241—242.) 



Harper, R. M. 1905. A Statistical method for comparing the age of 

 different floras. (Torrey. V. p. 207—210.) 



Hoilick, A. 1905. A recent discovery of Amber on Staten Island. (Journ. 

 N. Y. bot. Gard. VI. p. 45—48.) 



HolIick, A. 1904 [received 1906]. Systematic Palaeontology: Angio- 

 spermae. (Geol. Surv. Maryland. 1904. p. 483—486. figs. in text.) 



Hollick, A. and E. C. Jeffrey. 1906. Affinities of certain cretaceous plant- 

 remains commonly referred to the genera Dammara and Brachyphyllum. 

 (Am. Nat. XL. p. 189-204. pl. 1—5.) 



Krasser: F. 1905. Fossile Pflanzen aus Transbaikalien, der Mongolei und 

 Mandschurei. (Denkschr. Ak. Wiss. Wien. 1905. 4". 46 pp. Mit 

 4 Taf. 4 pp. Erklärungen.) 



Li?nier, 0. 1906. Radiculites rediculatus, radicelle fossile de SequoVee. 

 (Bull. Soc. bot. France. LIII. p. 193—201. 5 figs.) 



Rowe, J. 1903 [received 1906]. Some volcanic Ash Beds of Montana. 

 (Bull. Univ. Montana. No. 17. Geol. Ser. I. p. 1—32. 1 pl.) [Gives 

 a list of leaves found in the volcanic ash of Missoula County, Mon- 

 tana, including Sequoia, Glyptostrobus, Alnus_, Carpinus, Cornus, Taxo- 

 dium and Populus. — D. P. Penhallow.] 



Ward, L. F. 1905. Status of the mesozoic floras of the United States. 

 Second paper with the collaboration of W. Fontaine, A. Bibbins 

 and G. R. Wieland. (U. S. Geol. Surv. Monograph XLVIII. 

 Part. I. text. 616 pp. Part. II. pl. I— CXIX.) 



VIII. Cryptogamen im Allgemeinen. 



Vacat. 



IX. Algae. 



Fraude, H. 1906. Grund- und Plankton-Algen der Ostsee. (Greifswald 



und Berlin. 1906. 8°. VI, 125 pp. 1 Karte.) 

 Kjellman, F. R. 1906. Gm exotiske Alger i Landdrifna vid Sveriges 



Västkust. (Ark. för Bot. 1906. 10 pp.) 

 Kohl, F. G. 1906. Die Farbstoffe der Diatomeen-Chromatophoren (Ber. 



deutsch, bot. Ges. XXIV. 3. p. 124—134.) 

 Nordstedt, 0. 1906. Algological notes. 1—4. (Bot. Not. 1906. p. 97 



— 124.) 



Osterhout, W. J. V. 1906. Resistance of certain Marine Algae to changes 

 in osmotic Pressure and Temperature. Role of osmotic Pressure in 

 Marine Plants. Importance of physiologically balanced Solutions for 

 Plants. Antitoxic of Potassium on Magnesium. (Univ. California, Ber- 

 keley. 1906. 8». 10 pp.) 



Retzius, G. 1906. Ueber die Spermien der Fucaceen. (Ark. för Bot. 

 1906. 9 pp. Mit 8 Fig.) 



Richter, 0, 1906. Zur Physiologie der Diatomeen. [I. Mitth.] (Sitzber. 

 kais. Ak. Wiss. Wien. Math.-nat. Kl. Abth. 1. CXV. p. 935. Mit 

 6 Taf.) 



Sauvageau, C. 1906. Sur les pousses indefinies dressees du Cladostephus 

 verticillatus. (Act. Soc. linn. Bordeaux. LXI. 26 pp. 7 figs.) 



Stiles, M. H. 1906. Yorkshire Diatoms in 1905. (Naturalist. 591. p. 128 



— 129.) 



West, W. and G. S. 1906. A comparative study of the Plankton of some 

 Irish lakes. (Trans, roy. irish Ac. Sect. B. XXXIII. 2. p. 77— 116. 4 pl.) 



