ZOOLOGY AND BOTANY, MICROSCOPY, Kl C. 257 



Cermak, p., & H. Schmidt— Thermo-electric Forces in the Transition from the 

 Solid to the Liquid State of Aggregation. 



[The thermo-electric potential of thermocouples of tiu-constantau, tin- 

 iron, and lead-coustantan showed no sudden change at the melting 

 point of tin or of lead upon heating or cooling.] 



Aim. Physik, xxxvi. (1911) pp. 575-88. 



DucELLiEZ, F. — Alloys of Cobalt and Zinc. 



Bull. Soc. Chim., ix. (1911) pp. 1017-23. 



Greenwood, H. C— Specific Heats at High Temperatures, and Latent Heats 

 of Fusion "of Metals. 



[British Association, 1911.] Engineering, xcii. (1911) p. 419. 



Guertler, W. — Aims of Metallography. 



Int. Zeitschr. Metallographie, i. (1911) pp. 1-15. 



HiLPERT, S., & T. DiECKMANN. — Arsenides of Iron and Manganese. 



[The compounds FeAs.^, FeAs and MnS 

 were prepared by heating iron or man- 

 ganese with arsenic] 

 Ber. Deutsch. Chem. Ges., xliv. (1911) 



pp. 2378-85. 

 ,, ,, ,, Ferromagnetic Compounds of Manganese 



with Phosphorus, Arsenic, Antimony and 

 Bismuth 



Ber. Deutsch. Che in. Ges., xliv. (1911) 



pp. 2381-5. 



Johnson, T. H.— Influence of Work and Finishing Temperature on the Physical 

 Properties of Steel. Eng. News, Ixvi. (1911) p. 52-3. 



Nesselsteaus, H. — Structure and Critical Points of Chromium Steel. 



[Chromium favours the formation of austenite in hardened steel, and of 

 troostite in annealed steel. Chromium additions to steel lower Ar2^ 

 raise Arl, and tend to retard the transformation of y into a-iron and 

 the decomposition of the solid solution of carbon in iron.] 



Journ. Buss. Met. Soc., 1911, pp. 627-59. 



Palitsch, D. — Allotropic Form of Silver. 



[Peculiarities in the properties of silver obtained by dissolving the zinc out 

 of zinc-silver alloys with hydrochloric acid point to the conclusion that 

 the silver in question is an allotropic modification.] 



Bull. Acad. Roy. Belg., v. (1911) pp. 395-414. 

 Pahravano, N., & G. SiROViCH — Thermal Analysis of Quaternary Systems. 



[A tefcrahedral method of representation is 

 described ; each face represents one of 

 the component ternary systems.] 



Atti B. Accad. Lincei, xx. (1911), 2, 



pp. 206-11, 331-7, 412-17. 



„ „ „ Phenomena of Crystallization in Ternary 



Systems. I., II., and III. Isomorphous 

 Ternary Mixtures with a Miscibility Gap. 

 [A theoretical discussion of equilibria 

 in ternary systems of the type 

 indicated.] 



Gazz. Chim. Ital., xli. (1911) 1, 

 pp. 417-53, 478-89, 569-620. 



Parravano, N., & P. DE Cebaris. — Arsenides of Tin. 



Int. Journ. Metallography, ii. (1911) pp. 1-12 (10 figs.). 



Pecheux, H. — Resistivity and Thermo-electric Force of Tantalum. 



Comjites Rendus, cliii. (1911) pp. 1140-1. 

 PoBTEViN & NusBAUMEE — Influence of Annealing upon cold-worked Bearing 

 Bronzes. 



[The development of twinning in strained bronzes when annealed has been 

 observed.] Comptes Bendus, cliv. (1912) pp. 213-5. 



