BIOLOGY. 
Prot. 11 
Structure of eye spot in Euglena and other Flagellata ; Wager (132). 
Hcematozoa of Bats, Dionisi (22 & 23), of Birds, Laveran (70), of 
Sheep, Laveran & Nicolle (75). 
A new Sporozoon in Man, Perroncito (102) ; Aplosporidium , n. g. type 
of a new order of Sporozoa , Aplosporidia ; Caullery & Mesnil (8 & 9). 
Result of studies on various Protozoa by aid of neutral red stain; 
Prowazek, Zool. Anz. xxii, p. 339. 
2. Physiology. 
Movements of pseudopods ; Penard (97); Formation of Pseudopodia 
in Dinoflagellata, Zacharias (143). 
Specific gravity of Spirostomum and Paramecium ; Platt, Amer. 
Natural, xxxiii, p. 31. 
Reactions to mechanical and other stimuli in Stentor and Spirostomum ; 
Jennings, Amer. Natural, xxxiii. p. 373. 
Galvanotropy in Ciliata; Monton, p. 1247, C.R. Ac. Sci. cxxviii. 
Variation in geotropy in Paramecium aurelia ; Sosnowski, p. 130, Bull. 
Ac. Cracovie 1899. 
Relations between eye-spot and flagellum in Euglena ; Wager (132). 
Sarcocystin, Toxin produced by Sarcosporidia ; Laveran & Mesnil 
(74). 
3. Embryology. 
Conjugation in Yorticellidce , Wallengren (133); reproduction of 
Amoeba, Scheel (122 & 123) ; sexual reproduction in Laverania , p. 199, 
Marchoux, C.R. Soc. Biol. Ser. x, vi ; sexual reproduction of Monocystis 
ascidice, p. 515, Siedlecki, Bull. Ac. Cracovie 1899. 
Life History of some Gregarines with a nematoid form, Caullery & 
Mesnil (12) ; life history of Selenidium\ Caullery & Mesnil (11) ; 
life history of Trypanosoma brucii, p. 280, Plimmer & Bradford (106). 
Black spores in Proteosoma cysts in Mosquito, p. 451 ; Daniels (19). 
Encystment and Karyokinesis in Arcella vulgaris ; Hertwig (53). 
Cysts of Paramecium bursaria ; Prowazek, p. 344, Zool. Anz. xxii. 
Behaviour of the nucleus during conjugation in Colpidia ; Hoyer, Bull. 
Ac. Cracovie 1899, p. 58 & (57). 
Cause of Fertilisation in Protozoa', Hertwig (54). 
4. Classification. 
Classification of Foraminifera ; Eimer & Fickert (29) ; of the Hcema¬ 
tozoa ; Laveran (72) ; of Sporozoa, Mesnil (89). 
Zoological affinities of Siedleckia ; LABBfi (68). 
5. Distribution. 
Deep Fauna of Lake Leman, p. 116; Penard (98). 
Bathymetrical distribution of Mallomonas , p. 485 ; Whipple & Parker, 
Amer. Natural, xxxiii. 
Seasonal distribution of many Protozoa in Atlantic Plankton ; Cleve, 
p. 785, Ofv. Ak. Forh. lvi, 1899. 
Papers on Plankton:— Burckhardt (7); Cleve, P. T. (14& 15); Cleve, A. 
(17); Fuhrmann (36); Kofoid (66) ; Lemmermann (80); Penard (98); 
Zacharias (140-142, 145 & 146). 
1899. [Vol. xxxvi.] f 7 
