4 Prot, 
il. Protozoa. 
[1920] 
• I.— TITLES. 
Ah rami, P. et Senevet, G. A propos 
des gametes du Plasmodium praecox. 
Proportion variable des 616ments males 
et femelles. Paris Bull. Soc. Path, 
exot. 13 1920 (167 -172). 1 
Aldigd, E. Trypanosomiase du poro 
en Guin6e Fran§aise. Paris Bull. Soo. 
Path. exot. 13 1920 (792-796). 2 
Allen, W. E. A quantitative and 
statistical study of the plankton of the 
San Joaquin River and its tributaries 
in and near Stockton, California, in 
1913. Berkeley Univ. Calif. Publ. 
Zool. 22 1920 (1-292) pis. i-xii. 3 
Archibald, R. G. vide Chalmers, 
A. J. 
Bagg, R. M. The Eoraminifera of 
the Bonaventure cherts of Gasp6. 
New York State Mus. Bull. Nos. 219, 
220 1919 (1920) (149-204) pis. i-vi. 4 
Balozet, L. Frequence des formes 
latentes de piroplasmose bovine au 
Maroc. Paris Bull. Soc. Path. exot. 
18 1920 (733 & 734). 5 
Bancroft, M. J. vide Johnston, T. H. 
Barrows, A. L. The significance of 
skeletal variations in the genus Peri - 
dinium. Berkeley Univ. Calif. Publ. 
Zool. 18 1918 (397-478) pis. xvii-xx. 6 
Basile, C. Leishmania, Herpeto - 
monos and Crithidia in fleas. Parasitol. 
Cambridge 12 1920 (366-377) pis. xxi 
& xxii. 7 
Bass, C. C. An attempt to explain 
the greater pathogenicity of Plas- 
modium falciparum as compared with 
other species. J. trop. Med. London 
23 1920 (237 & 238). 8 
Bauche, J. et Motais, F. Sur un 
nouveau cas de dysenterie amibienne 
du chien. Paris Bull. Soc. Path. exot. 
13 1920 (161-165). 9 
B&lal, K. Die Kerntheilung von 
Prowazekia. Arch. Protistenk. Jena 
41 1920 (308-320) pi. xiv. 10 
Belebradek, J. Sur le mouvement 
des Vorticelles. Paris C. R. Soc. biol. 
83 1920 (1362 & 1363). 11 
Benoit-Bazille, H. Note sur une 
Qrahamella ; Orahamella musculi n. sp., 
trouvee dans le sang de Mut mus- 
culus. Paris Bull. Soc. Path. exot. 13 
1920 (408-416) pi. iii. 12 
Bentham, T. Human intestinal Pro- 
tozoan and Helminthic infections 
observed in Malta. Parasitol. Cam- 
bridge 12 1920 (72-82). 13 
Bhatia, B. L. Notes on fresh-water 
Ciliate Protozoa of India. London 
J. R. Microsc. Soc. 1920 (257-267). 14 
Bhatia, B. L. The study of fresh- 
water Ciliates in India. Calcutta J. 
Proc. Asiat. Soc. Bengal 15 1919 
(oxlvii). 15 
Bidder, G. P. Syncrypta spongiarum 
nova. London J. Linn. Soc. Zool. 34 
1920 (305-313). 16 
Blacklock, B. and Carter, H. F. The 
experimental infection in England of 
Anopheles plumbeus Stephens and 
Anopheles bifurcatus L., with Plas- 
modium vivax. Ann. Trop. Med. Para- 
sitol. Liverpool 13 1920 (413-420). 17 
Blacklock, B. and Carter, H. F. 
'Further experiments with Anopheles 
plumbeus Stephens ; its infection with 
P. falciparum in England ; also notes 
on the apparatus and technique em- 
ployed. Ann. trop. Med. Parasitol. 
Liverpool 14 1920 (275-280) pi. ix. 18 
Blanc, G. vide Nicolle, C. 
Boeck, W. C. Studies on Giardia 
microti. Berkeley Univ. Calif. Publ. 
Zool. 19 1919 (85-134) pi. i. 19 
Boyd, J. S. The staining of blood 
smears for the malarial parasite. 
London Journ. R.A.M.C. 35 1920 (327- 
329). 20 
Brebm, V. Ergebnisse einiger im 
Franzensbader Moor unternommener 
Exkursionen. Arch. Hydro biol. Stutt- 
gart 11 1916 (306-323). 21 
