3 Verm. 
Titles. 
1200-1800 
I.— TITLES. 
Aiyer, R. G. The development and 
breeding habits of a brackish water 
Polychaoto worm from Madras. Cal- 
cutta J. Proc. Asiat. Soc. Bengal 15 1919 
(cxlviii & cxlix). 1 
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. 2 
Annandale, N. Roport on the 
aquatio fauna of Seistan, with subsidiary 
studies. Part III. Note on the occur- 
rence of the looch Limnatis nilotica in 
Seistan and the Afghan-Baluch desert. 
Rec. Ind. Mus. Calcutta 18 1920 
(135-136). 3 
Annandale, N. and Sewell, R. B. 
Progress Report on a survey of the 
freshwater Gastropod Molluscs of the 
Indian Empire and of their Trematode 
parasites. Ind. J. Med. Res. Calcutta 
8 1920 (93-124). 4 
Apstein, C. Die Larve von Tomop- 
teris. Berlin S.B. Ges. Natf. Freunde 
1916 (69-71). 5 
de Baehr, V. B. La spermatogenese 
et l’ovogon&se choz le Saccocirrus major. 
La Cellule Louvain 30 1920 (379-457). 
6 
Bahl, K. N. On a new type of 
Annelid excretory system in earth- 
worms. Calcutta J. Proc. Asiat. Soc. 
Bengal -15 1919 (cxlix). 7 
Bassler, R. S. Vermes. In : Maryland 
Geol. Surv. (Cambrian and Ordovician). 
Baltimore 1919 (276 & 277). 8 
Bather, F. A. Protoscolex latus, a 
new “ worm ” from lower Ludlow beds. 
Ann. Mag. Nat. Hist. London ser. 9 
5 (124-132). 9 
Baylis, H. A. On the Classification 
of the Ascaridae. I. The systematic 
value of certain characters of the 
alimentary canal. Parasitol. Cam- 
bridge 12 1920 (253-264). 10 
(n-13246 o) q 
Baylis, H. A. On the classification 
of the Ascaridae. II. The Polydelphis- 
group ; with some account of other 
Ascarids parasitic in snakes. Para- 
sitol. Cambridge 12 1920 (411-426). 11 
Baylis, H. A. Observations on the 
genus Crassicauda. Ann. Mag. Nat. 
Hist. London Ser. 9 5 1920 (410-419). 
12 
Baylis, H. A. Oxyuris paronai v. 
Linst., and its association with another 
Oxyurid in the same host. Ann. Mag. 
Nat. Hist. London ser. 9 6 1920 (123— 
126). 13 
Baylis, H. A. Notes on some para- 
sitic worms from East Africa. Ann. 
Mag. Nat. Hist. London Ser. 9 6 1920 
(283-295). 14 
Baylis, H. A. A new Siamese 
Nematode of the genus Falcaustra. 
Ann. Mag. Nat. Hist. London Ser. 9 6 
1920 (408-416). 15 
Baylis, H. A. and Lane, Clayton. 
A revision of the Nematode family 
Onathostomidae. London Proc. Zool. 
Soc. 1920 (245-310) pis. i-viii. ' 16 
de Beauchamp, P. Turbellaries et 
Hirudines (Biospeologica No. xliii). 
Arch. Zool. exp. Paris 60 1920 (177 — 
219) pis. v & vi. 17 
Beddard, F. E. On a new tentaculate 
Cestode. Ann. Mag. Nat. Hist. London 
ser. 9 5 1920 (203-207). 18 
Beddard, F. E. On tho genus 
Trichodrilus and on a British species 
of the genus. Ann. Mag. Nat. Hist. 
London ser. 9 6 1920 (227-239). 19 
Bentham, T. Human intestinal 
Protozoan and Helminthic infections 
observed in Malta. Parasitol. Cam- 
bridge 12 1920 (72-82). 20 
Bohn, G. et Drzewina, A. Varia- 
tions de la sensibility k l’eau douce des 
Convoluta, suivant les 6tats physiolo- 
giques et le nombre des animaux en 
exp6rien8e. Paris C. R. Acad. Sci. 171 
1920 (1023-1025). 21 
b 7—2 
