316 TAXONOMY, VASC. PLANTS [BoT. Absts., Vol. X, No. 4, February, 1922] 



2054. CoTTRELii, K. W. Production of peat in 1920. Jour. Amer. Peat See. 14^: 4-7. 

 1921. — The value in dollars of peat and peat moss used in the manufacture of peat products 

 in the U. S. A. in 1920 was: Fertilizer and fertilizer ingredient, 773, 635; stock food, 143,047; 

 fuel, 5,050; moss (largely for packing), 36,201. — G. B. Rigg. 



2055. Georgeson, C. C. Summary of the work at the stations. Rept. Alaska Agric. 

 Exp. Sta. 1918: 7-21. PI. 1-2. 1920. — This report gives a brief review of the work done at 

 the Rampert, Fairbanks, Matanuska, and Kodiak stations, and a brief summary of home- 

 steads in Alaska. — J . P. Anderson. 



2056. Georgeson, C. C. Summary of work at the stations. Rept. Alaska Agric. Exp. 

 Sta. 1919: 7-19. PI. 1-2. 1920. — This report gives a general survey and a review of the 

 work done at the 5 experiment stations in Alaska. The reports, in the same volume, of the 

 station superintendents describe the work in greater detail [see abstracts under Agronomy 

 and Horticulture]. — J . P. Anderson. 



2057. Hill, C. L. Combating marine borers in San Francisco Bay. IntercoU. Forest, 

 Club Ann. 1 : 38-42. Fig. 2. 1921. 



2058. Kaiser, George B. Little journeys into mossland. IV. — The luminous moss. 

 Bryologist 24: 41—43. 1921. — This is a popular account of a search for the luminous moss 

 {Schistostega osmundacea) in Vermont and New Hampshire. — E. B. Chamberlain. 



2059. Marchmay, T. A. What is manna? Sci. Amer. Monthly 3: 414. 1921.— A com- 

 parison is given of the different kinds of modern manna with the biblical food. — Chas. H. Otis. 



2060. Martin, Edwd. A. The generation of heathfires. Nature 107: 811. 1921.— The 

 author reports an area of peaty soil smoking from natural heat of the sun. — 0. A. Stevens. 



2061. Pearse, a. S. Distribution and food of the fishes of Green Lake, Wis., in summer. 

 Bull. U. S. Bur. Fish. 37: 253-272. 1921. — Only a very small percentage of the direct food is 

 composed of algae and other plants. — T. C. Frye. 



2062. Platt, E. E. List of food plants of some South African lepidopterous larvae. South 

 African Jour. Nat. Hist. 3: 65-138. 1921. — Two lists have been compiled, the 1st an alpha- 

 betical list of food plants, the 2nd a systemised list of the butterflies and moths, with the 

 names of the food plants on which the corresponding larvae have been observed to feed. — 

 E. M. Doidge. 



2063. Ryan, Hugh. The exploitation of Irish peat. Nature 107: 728-730. 1 fig. 1921.— 

 Machinery for cutting and handling peat, illustrated by the Baumann automatic peat machine, 

 is referred to. — 0. A. Stevens. 



2064. Schipper, W. \V. Het hard koken van erwten. [Hard boiling of peas.] Cultura 

 33:205-267. 1921. 



2065. Williams, S. G. Manufacture of rope and twine. Sci. Amer. Monthly 3: 349-352. 

 9 fig. 1921. — Treatment of Manila hemp, sisal, and jute in a modern rope factory is described. 

 — Chas. H. Otis. 



2066. Yuncker, T. G. A handy method for the mounting of mosses. Bryologist 24: 

 43-44. 3 fig. 1921. — "The method consists of folding pieces of paper into the form of en- 

 velopes so that when mounted the specimen is held securely, is visible, and at the same time 

 can be easily removed for further study,"— £^. B. Chamberlain. 



