FORESTRY. 643 



selected and studied material. Tlie present part, which deals with conifers, 

 is divided into 2 jreneral chapters, chapter 1 containing keys and descriptions 

 based upon a study of the seeds, and chapter 2 dealing in a similar manner 

 with coniferous seedlings. 



Forest species of western Morocco, A. Brives {BuI. Soc. Hist. Nat. Afrique 

 Nord, 1910, No. 6, pp. 97-99). — Brief notes on the occurrence and distribution 

 of forest species in western Morocco are presented. 



An isolated prairie grove and its phytogeographical significance, H. A. 

 Gleason (Bot. Gaz., 53 (1912), No. 1, pp. 38-'i9, figs. 2).— In this pai>er the 

 author attempts to explain by the existing distribution certain historical fea- 

 tures of the relation of the forest and prairie in central Illinois. 



Sketch map showing timber conditions along part of the proposed route 

 of the Hudson Bay Railway, J. R. Dickson and G. S. Proctor (Dept. Int. 

 Canada, Forestry Branch Map, 1910). — This map was prepared to accompany 

 Bulletin 17, previously noted (E. S. R., 25, p. 450). 



The forests and ligneous plants of Eritrea, A. FiORi {Agr. Colon, lltaly], 

 3 (1909), No. 6, pp. 369-391; Jf (1910), Nos. 1, pp. 2-23; 2, pp. 73-tiS; 3, pp. 171- 

 186; 6, pp. 285-302; 8, pp. 365-^86; 5 (1911), Nos. 2, pp. Jil-61; 3, pp. 81-100; 

 4-5, pp. 1S2-206; 6, pp. 266-296; 5 (1911), No. 12, Sup., pp. 173, pis. 5, figs. 

 177). — Part 1 of this contribution comprises a report to the Eritrea Minister of 

 Agriculture, Industry, and Commerce, relative to forest conditions in that 

 colony, including suggestions on reforestation and forest protection. In part 

 2 the various vegetative zones of Eritrea are described, and part 3 consists of 

 botanical descriptions of the ligneous plants in Eritrea including notes on their 

 economic importance. 



Timely forest topics with special reference to forestry in Baden, K. 

 Philipp (Forstliche Tagesfragen mit hesonderer Beructcsiclitigung der Badis- 

 cJien Waldioirtschaft. Ft'icl)urg-ini-Breisgau, London, and St. Louis, 1912, pp. 

 VI +171). — This comprises an economic discussion of forest conditions in 

 Baden, in which consideration is given to the various factors influencing the 

 working capital, receipts, and expenditures. 



The most suitable size for forest ranges in Wurttemberg, P. Wornle (Die 

 ZwecJctniissige G-rosse der Forstbezirke in Wiirttemhurg. TUMngen, 1911, pp. 

 IV-\-54). — This embodies the result of an inquiry among Wurttemberg forest- 

 ers relative to the size for forest ranges most commensurate with the best 

 development and returns. 



[Report on forestry] (Colon. Rpts., Ann. [Of. Brit.], 1910, No. 694, pp. 

 20-24). — This comprises a brief report on forest conditions, timber species, and 

 trees of economic value in Sierra Leone. 



Annual progress report upon state forest administration in South Aus- 

 tralia for the year 1910-11, W. Gill (Ann. Rpt. State Forest Admin. So. Aust., 

 1910-11, pp. 12, pis. 7). — Summarized data are given showing alterations in 

 forest areas, and planting and other forest operations, together with a state- 

 ment of revenues and expenditures. 



Forest conservancy, T. J. Campbell (Admin. Rpts. Forest Conserv. Ceylon, 

 1910-11, pp. D 10). — This is the customarj- annual report of the conservator of 

 forests in Ceylon for the year 1910-11. Summarized data dealing with the con- 

 stitution, management, exploitation, and administration of the forests are given 

 and discussed, including also a summary of revenues and expenditures for the 

 year. 



Facings, Champsaur (Rev. Eaux et Forets, 51 (1912), No. 4, PP- 97-101, pi. 1. 

 fig. 1). — The methods employed in the Lower Alps in facing or building up 

 ravines to promote the establishment of vegetation and. also to prevent further 

 loss from soil erosion are described. 



