56 



ParamyxiaCi XIX., Ait, 2, 1-23. 



" Parasulphatamraon," VI., 58. 



Partition coofficieiit of phenol, XXV., Art. 12, 14. 



Partition of silver between zinc and lead, XXV,, Art. 9. 



Patella amitssitata Reeve, XXI,, Art. 2, 31. 



Pecopteris arboreseens (Scliloth,), XXIII., Art. 8, 14. 



hroiuiiiana Dunker, Vll., 218. 



ajathea iScUotli.), XXIII., Art. 8, 11. 



exilis Phil., III., i35. 



gsijkriana Nath., VII., 219. 



s.qjortana Heer, III., 3(3. 



virginiensis Font,, VII., 220. 



Pedal irradians Lam., XXI., Art. 2, 67. 



laetus Gould, XXL, Art, 2, 65, 



laqueatus Sow., XXL, Art, 2, 04, 



'piacheïlimus Tok., XXL, Art. 2, 67. 



tdlcyomsis Tok., XXL, Art. 2, 65. 



Pectuncidus alho-lineatus Lischke, XXL, Art. 2, 11. 



Pegmatophyritic dykes, in the AvcliBean formation of the Abuknma plateau, 



v., 275, 

 Perchlorates of mercury, IX., 77-84. 

 Perispliinctes matsusliimai Yok., XIX., Art, 20, 3. 



Ivüdi Yok., XIX., Ali. 20, 5. 



l-aizaranus Y^ok., XIX., Art. 20, 6, 



kocJdbei Yok., XIX., Art. 20, 7, 



Permanent twist, effect of magnetization on, of nickel wire, IV., 323-339. 



Perim rikuzenica Yok., XVIIL, Art. 6, 13, 



Peroxylaminesulphonates and hydroxj'laminetrisulphonates, XIX., Art. 15, 1-43. 



Peroxylaminesulphonic acid, XIX., Ait. 16, 1-4. 



Pescadores (Hoko group), geology of, XI IL, 1. 



Petrography of the effusives (in Pescadores), XIIL, 17. 



Petromyzon, formation of germinal layers in V., 129-147 ; , formation of 



heart in, I., 22Ö-237 ; , development of pronepliros and segmental 



