20 Prot. 
XVIII. PROTOZOA. 
Chemotaxis in Chilomonads and Paramoecia , Jennings (116). 
Intra vitam staining in relation to the activity of Protozoa , Prowazek 
(207). 
3. Development and Life History. 
Asexual multiplication of Gregarines, Cadllert & Mesnil (28 & 29). 
Sexual phenomena in the Protozoa , Discussion of, Calkins (26) pp 
214-248. 
Conjugation observed in Difflugia globulosa, West (273), p. 320 : in 
the Gregarines, Cuenot (52). 
Karyokinesis in Amoeba hyalina , Dangeard (55) : in Vampyrella , 
Dangeard (58). 
Developmental forms of Drepanidium , Lutz (159). 
Development of Lankesterella minima , Hintze (104): of Plistophora 
mulleri , Stempell (253). Early stages of development in certain Poly- 
cystidce , L^ger & Duboscq (147). 
Mode of multiplication of the Trypanosoma of Nagana, Layeran & 
Mesnil (138). 
Development of crescents in Anopheles funestus, Daniels (59). 
Constant presence of a gregariniform phase in the life-history of the 
Hcematozoon of Malaria, Billet (8). 
Encystment in the Ciliata , Simpson (247) p. 97. 
Influence of Food, Temperature, etc. on the Fission of Ciliata [ Para - 
moecium and Stylonychia ], Simpson (246). 
Reproduction, etc. of North Sea Pelagic Foraminifera , R humbler 
( 210 ). 
4. General Biology. 
Parasitism , Commensalism, Plankton , etc. 
Biology of the Amoebce of the Intestine, Mathieu & Sonpault (165): 
of the German Proteosoma , Ruge (220): of parasitic Vorticellidce , Linder 
(149 & 150). 
Vorticella commensal with Conchilus , Doty (65). Symbiosis of Zoo- 
ehlorellida with Amoebce , Gruber (88). Zoochlorellida of Paramcecium , 
Dangeard (57). 
Infusorial Fauna of the Gill-cavities of Fresli-water Crayfishes, Haswell 
( 96 )* 
Intracellular parasitism of Gregarines, Caullery & Mesnil (28 & 29). 
Means of defence of Alburnus mirandella against Plistophora mirandelloe , 
Vaney & Conte (264) p. 644. 
Relations between Gregarines and intestinal epithelium of the host, 
Siedlecki (238 & 239). 
Modifications of the Cell induced by Sporozoa , Dormoy (64). 
Biological relations between Pools and Lakes, Zacharias (279). 
Protozoa of hot springs, Issel (108-110). 
Flagellate Fauna of Lakes, Imhof (107). 
Annual variations of the surface waters of the Atlantic in relation to 
Plankton, Cleve, Ekman & Petterson (46). Seasonal Distribution of 
Atlantic Plankton Protozoa , Cleve (45). Geographical and Seasonal 
Distribution of the plankton organisms of the North Sea in 1899, Cleve 
(43) p. 32. Acanthometra and Stilolonche, Plankton relations, Cori & 
Steuer (49). 
