501 



Parthenogenesis, remarks on (Pimnett), 223. 



Phaseolunatin, occurrence in Linum usitatissimum (Dunstan and Henry), 145 ; in 



Cassava (Manihot), 152. 

 Photographic action of plants in the dark (Russell), 385. 

 Plants, action of, on photographic plate in dark (Russell), 385. 



" Precipitable " substance, main source of, and role of homologous proteid in precipitin 



reactions (Welsh and Chapman), 297. 

 Priestley (J. H.) See Usher and Priestley. 



Proteid, homologous, rule of, in precipitin reactions (Welsh and Chapman), 297. 

 Punnett (R. C.) Sex-determination in Hydatina, with some Remarks on Partheno- 

 genesis, 223. 



Russell (W. J.) The Action of Plants on a Photographic Plate in the Dark, 385. 



Sertoli or foot-cells of testis, origin of (Walker and Embleton), 50. 

 Sex-determination in Hydatina (Punnett), 223. 

 Simpson (S.) See Herring and Simpson. 



Sleeping sickness, microscopic changes in nervous system compared with those in a case 

 of chronic dourine (Mott), 1 ; relation to Gambian Fever (Thomas), 316. 



Testis, origin of foot-cells of (Walker and Embleton), 50. 



Thomas (H. W.) Remarks on Mr. Plimmer's Note on the Effects produced in Rats by 

 the Trypanosomata of Gambian Fever and Sleeping Sickness, 316. 



Trypanosoma gambiense — relation to Glossina palpalis, etc. (Minchin, Gray, and Tulloch), 

 242. 



Trypanosomata of Gambian Fever and Sleeping Sickness, effects in rats (Thomas), 316. 

 Tulloch (Lieut. F. M. G.) See Minchin, Gray, and Tulloch. 



Usher (F. L.) and Priestley (J. H.) The Mechanism of Carbon Assimilation in Green 

 Plants : the Photolytic Decomposition of Carbon Dioxide in vitro, 318. 



Walker (C. E.) Observations on the Life-history of Leucocytes, 53 ; and 



Embleton (A. L.) On the Origin of the Sertoli or Foot-cells of the Testis, 50. 

 Watson (J. H.) See Denning and Watson. 



Welsh (D. A.) and Chapman (H. G.) On the Main Source of " Precipitable " Substance 

 and on the Role of the Homologous Proteid in Precipitin Reactions, 297. 



Wilson (J. T.) and Hill (J. P.) Observations on the Development of Ornithorhynchus, 

 313. 



Yeast-juice, the co-ferment of (Harden and Young), 369. 

 Young (W. J.) See Harden and Young! 



END OF THE SEVENTY- EIGHTH VOLUME (SERIES B). 



Haebison and Sons, Printers in Ordinary to His Majesty, St. Martin's Lane. 



