341 
35 046—35 0(11 Johnson. 
46 Johnsohn Thomas. Some root-crop diseases in Ireland (Journ. Dept. 
Agrie, and Techn. Industr. Ireland, IV, 1903, p. 258—263) fig. 
47 — Phellomyces sclerotiophorus: a cause of potato scab and drv rot (Proc. 
Econom. Soc. Dublin I, 1903, p. 161 —166) tab. 
48 — The corn smnts (Ustilagineae) and their propagation (Science Progress, 
No. 1, 1906, p. 137). 
49 — Cereal smuts and their propagation (Sci. Prog. Twentieth Cent., I, 1906, 
p. 137—149). 
50 — Der Kartoffelschorf, Spongospora solani Brunch. (IV. Jahresbericht der 
Vereinigung der Vertreter der angewandten Botanik, 1906, ersch. 1907, 
p. 112—115) tab. 
51 — Some injurious fungi found in Ireland (Economic Proceed. of the 
R. Dublin Soc., I, 1907, p. 345—370, tab.; Rep. Brit. Assoc. York, 1906, 
ersch. 1907, p. 744). 
51 a — Corn smuts and their propagation (Rept. British Ass. York, 1906, ersch. 
1907, p. 743). 
52 — Spongospora Solani Brunch. (Corky scab) (Econ. Proc. roy. Dublin Soc., 
I, 1908, p. 453—464) tab. 
53 — Further observations on powdery potato-scab, Spongospora subterranea 
(Wallr.) (The Scientific Proceed. Roy. Soc. Dublin, n. s., XII, 1909, p. 165 
bis 174) tab. 
54 — Ohrysophlyctis endobiotica Schilb. (Potato-wart or Black-scab), and 
other Chytridiaceae (The Scientif. Proceed. Roy. Dublin Soc., n. s., XII, 
1909, p. 131 — 144) tab. 
55 — and Adams J. Bacterial rot in Turnips and other Brassicas in Ireland 
(Econom. Proceed. Roy. Soc. Dublin, IX, 1910, p. 1—7) tab. 
56 — and Weiss Frederik Ernest. Potato black scab (Nature, London, LXXIX, 
1908, p. 67, 98-99). 
— cfr. Ward Harry Marshall. 
57 Johnson T. C. Treatment for scab and early blight on potatoes and mildew 
on cucumbers and cantaloups (Virginia Truck Stat. Cire., I, 1908, p. 2—8). 
58 Johnson William. Lichens and a polluted atmosphere (Hardwicke ! s Science 
gossip, XV, 1879, p. 217). 
59 — Sirosiphon saxicola Nyl. (Grevillea, XII, 1884, p. 77). 
60 — A new Lichen found in Northumberland (Natur, hist. Trans. NorC 
humberland, Durham and Newcastle, VIII, 1884/89, p. 184). 
61 — Lichen memorabilia 1884 (Natur, histor. Trans. Northumberland, Durham 
and Newcastle, VIII, 1884/89, p. 217—219). 
