46 



Heteroceras orientale Yîibe, XX., Art. 2, 19. 



otsulxcd Yabo, XX., Art. % 11. 



Helerotella, Corhitella aiul, XVII., Art. 9, 1-34. 



Hesactinellida, studies on the, coutrib. I, XV., 1-299 ; coutiib. H, XVII., Art. 9, 

 1-31 ; contrib. III, XVIII., Art. 1, 1-121 ; contrib. IV, XVIII., Art. 7, 1-307. 

 Hida, Jurassic j)la,nts from, III-, 1-00. 

 Hildoceras clirysanthemmn Yok., XIX., Ai-t. 20, 11. 

 Hildoceras dendcostatum Yok., XIX., Art. 20, 12. 



inouyei Yok., XIX., Ai-t. 20, 13. 



Homea oJdnoseana, XIX., Art. 2, 1-23. 



Horizontal pendulums for the mechanical registration of seismic and other 

 earth movements, XI., 121-145. 



Hokkaido, Cretaceous Cephalopoda from the, XVIII., Art. 2 ; XX., Art. 2. 



Hoko group (Pescadores^ geology of the, XIII., 1. 



Hornblende-porphyry (Mino), V., 312. 



Hydrogen fluoride, acidimetry of, VII., 255-267. 



Hydi'oxyamidosulphate (oxyamidosulphonate), decomposition of, by copper 

 sulphate, XIII., 497-506. 



Hydroxylamine, acid sulphate of, VII., 249-250 ; ,formatiou of, from nitrites 



by hj^lrogen sulphide, I., 109 ; sulphate, economic preparation of, 



IX., 291-293 ; , the effects of dilution and the presence of sodium 



salts and carbonic acid upon the titration of, by iodine, I., 369-376. 



Hydrosylamine-disulphonates, see oximidosulphouates, also hydroximidosul- 

 phates. 



Hydroxylamine-monosulphonates or oxyamidosulphonates. III., 211. 



Hydroxylamine-trisulphonate, XIX., Art. 15, 4. 



Hydroxylamine- «-^9-disulphonates (structural isomeride of hydroximinosul- 

 phates or hydroxylamine-/3-y9-disulpliate3), XXI., Ait. 6, 1-17. 



H^'menomycetous fungus, a new species of, injurious to the mulberry tree, 

 IV., 193-204. 



Hyponitrite, preparation of, from nitrite tlu'ough oxyamidosulphonate, IX., 1-8 ; 

 , formation of, by reduction of nitrososulphate, IX., 281 ; , con- 

 stitution of, III., 228. 



