No. 3, December, 1920] BIBLim I It M>HY, BIOGRAPHY, HISTORY 137 



the fact thai members of the Acari are both planl and animal parasites. The eating of these 

 minute insects together with the fruits neither affects the digestion nor does it engender lice 

 on the heads of those who eat them. — Ernst I It wager. 



946. MONTBMARTINI, Luic.i. Rodolfo Farneti. Rcvist. Pathol. Veg. 9: 121-125. 1919.— 

 Ropoi.fo Farneti, "libero docente" of vegetable pathology in the Royal University of 

 Pavia, died Jan. IS, 1919. While his field of observation was broad, he specialized along the 

 lines of mycology and phytopathology. A li si of his published work in these lines is given, 

 with some comments. — F. M. Blodgett. 



947. Murium., W. A. Dr. William Gilson Farlow. Mycologia 11; 318. 1919.— A brief 

 account of Dr. Farlow's life.— See also Bot. Absts. 6, Entries 916, 95G, 903, 1463, and 

 1470.—//. R. Rosen. 



948. Murrill, W. A. Pier Andrea Saccardo. Mycologia 12 : 164. 1920. — A brief account 

 of Saccardo's life. — H. R. Rosen. 



949. Parish, S. B. A supplementary bibliography of the southern California flora. Bull. 

 Southern California Acad. Sci. 19: 24-29. 1920. — The author completes to date a bibliography 

 begun in the same journal (volumes 8 and 9). Southern California is understood to have as 

 its northern limit Santa Barbara, Ventura, Kern, and Inyo counties. — Roxana S. Ferris. 



950. Paterno, E. Origini e sviluppo della crioscopia. [Origin and development of cryo- 

 scopy.] Gaz. Chim. Italiana 49: 381-411. 1919.— See Bot. Absts. 5, Entry 2144. 



951. Paul, David. On the earlier study of fungi in Britain. Trans. British Mycol. Soc. 

 6: 91-103. 1918.— See Bot. Absts. 4, Entry 1142. 



952. Pearson, Wm. Hy. William Hobson. Bryologist 23: 36-37. 1920.— A brief note 

 concerning the life and work of the brothers Edward and William Hobson with a request 

 for further information about the latter. — E. B. Chamberlain. 



953. Plitt, Charles C. A short history of lichenology. Bryologist 22: 77-85. 1919. — 

 The author outlines the ideas current concerning lichens from the Greeks to the time of 

 Linnaeus with some mention of the ancient uses of the plants. The development of system- 

 atic study after Linnaeus is sketched. Attention is given to historical views of the nature 

 of lichens as plants, to the ideas concerning gonidia, sexuality, and to present-day views. — 

 Edward B. Chamberlain . 



954. Praeger, R. Ll. Nathaniel Colgan. Irish Nat. 28: 121-126. 1919.— Obituary no- 

 tice of an amateur naturalist chiefly interested in botany. He edited the new edition of 

 "Cybele Hibernica" (1898) and was author of "Flora of the County of Dublin" (1904). Por- 

 trait and list of publications. — W. E. Praeger. 



955. Prain. D. J. W. H. Trail, M.D., F.R.S. Jour. Botany 57: 318-321. 1919.— James 

 William Helenus Trail was born in Birsay, Scotland, March4, 1851. His love of natural 

 history was early apparent. Trail graduated from the University of Aberdeen in 1S70, with 

 honors, and then entered the faculty of medicine, not through interest in medicine but in 

 order to obtain a further training in science. Here his record was also brilliant, but he laid 

 the study of medicine quickly aside when the opportunity came to travel in the Amazon 

 region. Following his return his observations were written up and published; and at the same 

 time he completed his study in medicine. His accurate work suggested his appointment as 

 government botanist in British Guiana, but the retirement of Professor Dickie, of Aber- 

 deen, led to Trail's appointment in his place, and thus prevented the acceptance of the 

 position in Guiana. At the age of 26 he took up the work at Aberdeen, which he continued 

 until his recent death, forty-two sessions in all. Trail was not a fluent speaker, but a con- 



