ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 117 



DuJARDiN, P. F. — Technique of Metallography. 



Stahl und Eisen, xxvi. 1 (1906), pp. 622-8, and pp. 732-5 (8 figs.). 



Fbiedeich, K— Segregation. Metallurgie, ill. (1906) pp. 13-25 (9 figs.). 



„ „ Lead and Arsenic. Tom. cit., pp. 41-52 (15 figs.). 



„ „ Lead and Silver. Tmn. cit, pp. 896-406 (22 figs.). 



Friedbich, K., & A. Leboux — Silver and Arsenic. 



Tom. cit, pp. 192-5 (7 figs.). 

 ,, „ Silver and Silver Sulphide. 



Tom. cit, pp. 361-71 (24 figs.). 

 „ „ Zinc and Arsenic. 



Tovi. cit, pp. 477-9 (7 figs.). 

 GoEBBNS, P. — Constitution of Cast Iron. 



StaJd unci Eisen, xxvi. 1 (1906), pp. 397-400 (12 figs.). 

 Heyn, E. — Notes on Metallographical Practice. Tom. cit, pp. 8-16 (28 figs.). 



„ Application of Metallography in the Iron Industry. 



Tom. cit, pp. 580-96 (51 figs.). 

 ,, Metallographical Research in Foundry Practice. 



Tom. cit, pp. 129*5-1301 (4 figs.). 

 Heyn, E., & 0. Bauer — Copper and Sulphur. 



Metallurgie, iii. (1906) pp. 73-86 (26 figs.). 

 Ledebub, a. — Notes on Cementation. 



Stahl unci Eisen, xxvi. 1 (1906), pp. 72-5 (1 fig.). 

 Mathews ON, C. H. — Sodium- Aluminium, Sodium-Magnesium, and Sodium-Zino 



Alloys. Zeitschr. Anorg. Cliem., xlviii. (1906) 



pp. 191-200 (8 figs.). 

 Petbenko, G. I. — Silver-Zinc Alloys. Tom. cit, pp. 347-63 (10 figs.). 



Pfeipper, V. 0.— Alloying Capacity of Copper with Pure Iron and Iron-Carbon 



Alloys. Metallurgie, iii. (1906) pp. 281-7. 



PiJTz, P. — Influence of Vanadium on Iron and Steel. 



Tom. cit, pp. 635-8, 649-56, 677-86 (6 figs.). 

 RoGEBS, F. — Some Microscopic Strain Effects in Metals. 



Tom. cit, p. 518-27 (2 figs.). 

 Tammann, G. — Aluminium-Antimony Alloys. 



Zeitschr. Anorg. Chem., xlviii. (1906) pp. 53-60 (2 figs.). 

 Ho IT SE MA, C, & W. J. VAN Heteren — Metallography as an Aid in the Detec- 

 tion of False Coins. 



Metallurgie, iii. (1906) pp. 128-30 



(11 figs.). 

 WtJST, F. — Iron-Carbon Alloys of High Carbon Content. 



Tom. cit, p. 1-13 (27 figs.). 

 „ Influence of Foreign Elements on Graphite Separation in Cast Iron. 



Tom. cit., pp. 169-75, 201-5 (3 figs.). 

 VoGEL, R. — Gold-Zinc Alloys. 



Zeitschr. Anorg. Chem., xlviii. (1906), pp. 319-32 (7 figs.). 

 Gold-Cadmium Alloys. Torn, cit, pp. 333-46 (8 figs.). 



The Metallurgy of Cast Iron. 



[A review of T. D. West's book with this title.] 



English Mechanic, Ixxxiv. (1906) pp. 347-8. 

 Metallic Vegetation. Tom. cit, p. 419. 



Eecording T3rpes of Le Chatelier Pyrometer. 



Electrochem. and Met. Inch, iv. (1906) pp. 511-2 (2 figs.). 

 Cementation Experiments with Gas or Gaseous Cementing Agents. 



Metallurgie, iii. (1906) pp. 123-8 (20 figs.). 



