31 Prof. 
(Son.) ROT TKnRX; — PjIVStObOOY. 
0411 
Manner of locomotion in Gregarines, 
as exemplified by Ilirmocystis rigida , 
n. sp. ; Hall, 188. 
Liberation of tlie vermicides of a 
Haemogregarine from cytocysts, and 
their movements ; Popovici-Baznosanu, 
356. 
Varieties of movement and their 
causation in Condylostoma patens ; 
Bovard, 46. 
Movements of Orehitophrya, a new 
Ciliate, especially as adapted to a salt- 
water medium ; C6p&de, 72 & 74. 
Special functions. 
Contractile vacuole regarded as a 
hydrostatic organella, regulating the 
quantity of water contained in the body 
of the animalcule, and so its weight ; 
Boubier, 39. 
Senescence, recuperation. 
Die physiologische Degeneration der 
Amoeba probeus ; Prandtl, 358. 
Degenerative processes in the Gre- 
garines (Clepsydrina spp.) of the meal 
worm ; Kuschakewitsch, 237. 
Degenerative phases of Tricliornastix 
serpentis ; Dobell, 105. — Degeneration in 
Opalina ; Dobell, 104. 
Depression-periods and recuperative 
processes in the Protozoan cell ( Stylo - 
nichia, Paramcecium ) ; Popoff, 352. 
Physiological recuperation as the 
result of conjugation ; varying behaviour 
of the different ex- con jugants ; Cull, 97. 
Sexuality. 
devolution de la sexualite gen^rale, 
son importance dans le cycle du deve- 
loppement des vegetaux et des animaux ; 
Dangeard, 101. 
Die Sexualitfit bei den Protisten ; 
Prowazek, 363. 
Conditions and influences determining 
sexual differentiation and conjugation in 
various Infusoria ; Enriques, 131. 
Environmental effects ; response to 
stimuli, reagents. 
Physiologische Beobaclitungen an 
Paramaecien; Cbainskij, 77. 
The behaviour of Paramcecium : addi- 
tional features and general reactions ; 
Jennings, 209. 
Influence of environmental conditions 
on chromidial formation in Gregarines; 
Comes, 94. 
Effects of temperature, chemical 
stimuli, on A moeba vespertilio ; Doflein, 
109. 
Mechanism of the galvanotropic re- 
actions in Volvox ; Bancroft, 17. 
Beobachtungen fiber die photodyna- 
mische Wirkung auf Zellen (Parama- 
cien) ; Osthelder, 332. 
Der Einfluss der Temperatur auf die 
pulsierenden Vakuolen der Infusorien 
(e.g., Euplotes, Stylonichia, Chilodon) ; 
Kanitz, 216. 
Ober den Einfluss des Meerwassers 
auf die pulsierende Vacuole ; Zuelzer, 476. 
Gestallsanderung und Plasmoptyse 
verschiedener Infusorien ; Garbowski, 
172. 
Ueber die Einwirkung kolloidaler 
Gifte auf Paramacien; Hausmann und 
Kolmer, 193. 
Effects of arsenic, quinine, iron and 
alcohol on certain Ciliates ; Sand, 394. 
Effects of various medicaments 
(mostly arsenic preparations) on Try- 
panosomes ; Laveran and Thiroux, 255 : 
Mesnil, Nicolle & Aubert, 304 ; Magal- 
haes, 284 ; Plimmer & Thomson, 350. 
Effects of human serum on T. brucii 
(with a view to prevention or cure) ; 
Goebel, 178. 
(Influence des serums normaux des 
Mammiferes et des Oiseaux sur le 
Trypanosoma paddae. Mecanisme de 
l’immunite naturelle des Mammiferes et 
des Oiseaux vis-a-vis du Trypanosoma 
paddae ; Levaditi et Sevin, 275.) 
Different views with regard to the 
trypanolytic properties of the spleen, 
its destructive effect on the parasites ; 
Rodet & Vallet, 375 ; Laveran & Thiroux, 
254, 256, 257 ; and Massaglia, 295. 
