2 Vermes. 
VI. Vermes. 
[1921] 
I.— TITLES. 
1. — Ackert, J. E. and Wadley, F. M. 
Observations on the distribution and 
life-history of Cephalobium microbi- 
vorum Cobb and of its host, Gryllus 
assimilis Fabrieius. Trans. Amer. 
Microsc. Sci. Menasha Wis. 40 1921 pp. 
97- 115 pi. iv. 
2. — Allen, E. J. Regeneration and 
reproduction of the Syllid Procerastea. 
Phil. Trans. Roy. Soc. London B 211 
1921 pp. 131-177 pis. xi-xvi. 
3. — Andr6, E. Sur la Protoclepsis 
tessellata. Rev. Suisse Zool. Gen&ve 
28 1921 pp. 443-448. 
Annandale, N. vide Kemp, S. 
4. — Ashworth, J. H. Chironomid 
parasite and its effects. Naturalist 
London No. 768 1921 pp. 15 & 16. 
5. — Bahl, K. L. On the blood- 
vascular system of the earthworm 
Pheretima and the course of the 
circulation in earthworms. Quart. 
Journ. Micr. Sci. London 65 1921 
pp. 349-393. 
Ball, S. C. vide Coe, W. R. 
6. — Barlow, C. H. Experimental 
ingestion of the ova of Fasciolopsis 
buski ; also the ingestion of adult 
Fasciolopsis buski for the purpose of 
artificial infestation. J. Parasitol. 
Urbana 8 1921 pp. 40-44. 
7. — Baumann, F. Endoparasitische 
Saugwiirmer ( A zygia tereticollis 
[Rud.]) und Bandwurmlarven (Plero- 
cercoide von Bothriocephalen) aus der 
Seeforelle, Salmo lacustris (L.) Mitth. 
Natf. Gesellsch. Bern. 1920 1921 pp. 
98- 111. 
8. — Baylis, H. A. A new genus of 
Nematodes parasitic in elephants. 
Parasitol. Cambridge 13 1921 pp. 
57-66. 
Baylis, H. A. vide Crawley, W. C. 
9. — Becker, R. Die aussere Gestalt 
der Pferdebandwiirmer. Centralbl. 
Bakt. Jena Abth. 1 87 Orig. 1921 pp. 
110-118. 
10. — Becker, R. Weitere Beitrage 
zur Anatomie der Pferdebandwiirmer. 
Centralbl. Bakt. Jena Abth. 1 87 Orig. 
1921 pp. 216-227. 
11 . — Beddard, F. E. On a new species 
of the Oligochaete genus Thamnodrilus 
(Beddard) with notes on Th. gulielmi 
Ann. Mag. Nat. Hist. Ser. 9 7 1921 
pp. 153-161. 
12. — Bell, A. Notes on the later 
Tertiary Invertebrata. Ann. Rep. 
Yorkshire phil. Soc. 1920 (1921) pp. 
1-21 2 pis. 
13. — Benham, W. B. Polychaeta. 
Austral. Antarctic Exped. 1911-1914. 
Sci. Reps. Ser. C (Zool. and Bot.) 6 
pt. 3 1921 pp. 1-128 pis. v-x. 
14. — Bettencourt, A., Borges, I. et 
Seabra, A. de. L’hote interm£diare du 
Schistosomum haematobium au 
Portugal. C. R. Soc. biol. Paris 85 
1921 pp. 1169 & 1170. 
15. — Blanc, G. et Caminopetros, J. 
Le Cysticercoide d ' Hemidactylus 
turcicus Linn. Bull. soc. path. exot. 
Paris 14 1921 pp. 20 & 21. 
16. — Blei, R. Drei neue Schafzes- 
toden. Nebst Beitr&gen zur Kenntniss 
der ubrigen Wiederkauerzestoden. 
Centralbl. Bakt. Jena Abth. 1 87 Orig. 
1921 pp. 365-387. 
17. — Borner, L. Die Bodenfauna des 
St. Moritzer-Sees. Eine monographische 
Studie. Arch. Hydrobiol. Stuttgart 
13 1921 pp. 1-91 209-281 pis. i & ii. 
18. — Bordas, M. La profase de reduc- 
cion en la ovogenesis de Dendrocoelum 
lacteum Oerst. Trabaj. Mus. nac. Sci. 
nat. Madrid. Ser. Zool. 44 1921 pp. 1- 
101 13 pis. 
Borges, I. vide Bettencourt, A. 
19. — Boulenger, C. L. On some 
Nematode parasites of the camel in 
India. Parasitol. Cambridge 13 1921 
pp. 311-314. 
20. — Boulenger, C. L. Strongylid 
parasites of horses in the Punjaub. 
Parasitol. Cambridge 13 1921 pp. 315- 
326. 
