484 Proceedings of the Royal Physical Society. 



115. RiTZEMA-Bos, J. Untersuchungen iiber Tylenchus devasta- 



trix. Biol. Centralblt., vii., 21 (1888), pp. 646-659. 



Cold, as well as desiccation, may cause latent life. 



116. Dallinger, W. H. The President's Address. J. R. Microsc. 



Soc, ii. (1887), pp. 185-199, 1 pi. 

 Adaptation of monads, normally flourishing at 65° F. to 

 158° F. "At certain points in the endurance of cumu- 

 lative thermal elevations, a distinct physiological change 

 is brought about with greater or less difficulty." 



117. Delsaux, E. Siir la respiration des Chauves-Souris pendant 



leur sommeil hibernel. Arch. Biol., vii., 1 (1887), 

 pp. 207-215. 



Reduction of surrounding temperature lessens the amount of 

 COg produced. 



118. Fredericq, L. Sur la regulation de la temperature chez les 



animaux k sang cbaud. Arch. Biol., iii. (1882), pp. 

 689-804. 



Numerous results and references on the physiological effects of 

 altering temperature. 



118a. Frommann, K. See Chemical (45). 



Influence of temperature, p. 70 ; mainly negative results. 



119. Gauckler, H. Einfluss hoher Temperaturen auf den 



Organismus von Insekten. Die Insekten Welt., 

 3 Jahrg., 1886, ix., p. 49. 



120. Geddes, p. Morpbology of the Cell. Proc. Roy. Phys. 



Soc. (1 881). Restatement of the Cell Theory (1883). 

 Proc. Roy. Soc. 



Changes of cells — e.g., with cold from ciliated to amoe- 

 boid, etc, 



121. . Art. Sex. Encycl. Brit, quotes authorities 



showing that higher temperature favours the produc- 

 tion of males, and inversely. 



122. Gerlach, L. Ueber neuere Methoden auf dem Gebiete 

 der experimentellen Embryologie. Biol. Centralblt., 

 vii., 19 (1887), pp. 588-605. Anat. Anz. (1887), 

 Nos. 18 and 19. 



Inter alia, eff'ects of localised heat and cold on embryo. 



