171 



von Zagorje in Kroatien. — Bull. Trav. Acad. Se. Slaves dn 

 Sud V, pag. 97-119. 



135. Walton L. B. — Variability and Amphimixis. — Amer. Na- 

 tur alisi 59, pag. 641-687. 



136. West 6. S. — A Contribution to our Knowledge of the Fre- 

 shwater Algae of Columbia, w. 3 plates and Textfig. — In 

 Fiihnnann O. et Mayor E., Voyage d' exploratioìi seientifiqiie 

 en Columbie, Neuchàtel, 1914, Attinger frères, 8". 



Bìograijhica 



137. Anonymus. — George Francis Atkinson, with portrait.' — 

 Lloyd C. G. Mycologieal Notes N. 59, June 1919, p. 846. 



138. Farlow W. G., Thaxter R. and Bailey L. H. — George Francis 

 Atkinson. — Amer. Joiirn. of Botaiiy, voi. VI, n. 7, 1919, 

 pag. 301-302. 



139. Fitzpatrick H. M. — Publications of George Francis Atkinson. 

 — Amer. Journ. of Botany voi. VI, n. 7, 1919, pag. 303-308. 



140. Fitzpatrick H. IVI. — George Francis Atkinson. — Science II, 

 voi. 49, 1919, pag. 371-372- 



141. Letacq A, — Une famille de savants: les de Brébisson ; por- 

 trait. — Bull. Soc. Hisf. et Archéol. de V Orne T. XXXVIII, 

 1919, pag. 198-232. 



142. Murrill W. A. — George Francis Atkinson. — Journ. N. York 

 Botati. Garden XIX, 1918, pag. 314-315. 



Floride ae 



143. Ayres Arthur H. — The temperature coefficient of the Du- 

 ration of Life of Ceramium tenuissimum. — Botanical Ga- 

 zette voi. LVII, 1916, p. 65-69. 



144. Boergesen F. — The Marine Algae of the Danish West In- 

 dies voi. 2. Rhodophyceae (pp. 305-368, fig. 308-360). — 

 Dansk Botan. Arkiv Bd. 3, N. i e, Copenhagen 1919. 



145. Cleland Ralph E. — The cytology and Life-History of Nema- 

 lion multifidum, Ag. — Annals of Botany voi. XXXIII, 



