4 Vermes. 
VI. Vermes. 
[1921] 
Cram, E. B. vide Ransom, II. B. 
45. — Crawley, W. C. and Baylis, H. A. 
Mermis parasitic on ants of the genus 
Lasius. Journ. Royal Microsc. Soc. 
London 1921 pp. 353-372. 
46. — Daubney, R. The life-histories 
of Dictyocaulus filar ia (Rud.) and 
D. viviparus (Bloch.). J. Comp. Path. 
Ther. Edinburgh 33 1920 pp. 225-266 
12 figs. 
47. — Dawson, A. B. The inter- 
muscular nerve cells of the earth-worm. 
J. Comp. Neur. Philadelphia 32 1920 
pp. 155-171 7 figs. 
48. — Dekhuysen, C. Sur la semi- 
permeabilite biologique des parois 
exterieures des Sipunculides. C. R. 
Acad. sci. Paris 172 1921 pp. 238-241. 
49. — Dekhuyzen, C. Les parois de 
certains animaux marins halisotoniques 
sont biologiquement semipermeables. 
Arch. Neerlandaises La Haye ser. IITc 
5 1921 pp. 563-571. 
50. — Delachaux, T. Un Polych6te 
d’eau douce cavernicole, Troglochaetus 
beranecki nov. gen. nov. spec, (note 
pr£l.). Bull. soc. sci. nat. Neuchatel 
45 1919-1920 (1921) pp. 3-11 pi. i. 
51. — Delphy, J. Recherches sur les 
Oligoch&tes limicoles. III. Surquelques 
genres d’Enchytreimorphes et la posi- 
tion systematique de V Enchytraeoides 
Roule. Bull. Mus. Paris 1919 pp. 626- 
632. 
52. — Dendy, A. An addition to the 
British fauna { Rhynchodemus scharffi). 
Nature London 107 1921 pp. 298 & 299. 
Descazeaux, J. vide Perard, C., also 
Roubaud, E. 
53. — Dickey, L. B. A new Amphibian 
Cestode. J. Parasitol. Urbana 7 1921 
pp. 129-136 pi. xiii. 
54. — Faur6-Fremiet, 15. La matura- 
tion et l’aetivation experimentale de 
l’oeuf chez les Sabellaria. C. R. soc. 
biol. Paris 85 1921 pp. 810 & 811. 
55. — Faur6-Fremiet, E. Discon- 
tinuity dans revolution morphologique 
du chondriome de l’oeuf de Sabellaria 
alveolata L. C. R. soc. biol. Paris 85 
1921 pp. 986-989. 
56. — Faust, E. C. The excretory 
system in Digenea (Trematoda). IV. A 
study of the structure and development 
of the excretory system in a cystocer- 
cous larva, Cercaria pekinensis nov. 
spec. Parasitol. Cambridge 13 1921 
pp. 205-212. 
57. — Faust, E. C. Notes on South 
African larval Trematodes. J. 
Parasitol. Urbana 8 1921 pp. 11-21 
pi. iii. 
58. — Faust, E. C. Phases in the 
life-history of a Holostome, Cyatliocotyle 
orientalis nov. spec., with notes on the 
excretory system of the larva. J. 
Parasitol. Urbana 8 1921 pp. 78-85 
pis. ix & x. 
59. — Faust, E. C. Larval flukes from 
Georgia. Trans. Amer. Microsc. Soc. 
Menasha Wis. 40 1921 pp. 49-58 
pis. ii & iii. 
60. — Fauvel, Pierre. Annelides 
PolychMes de Madagascar, du Museum 
R. d’Histoire Naturelle recueillies par 
M. le Dr. W. Kaudern en 1912. Ark. 
Zool. Stockholm 13 No. 24 1921 pp. 
1-32 1 pi. 2 text-figs. 
61. — Fischer, W. Aspidosiphon 
pygmaeus n. sp., eine neue Gephyree 
aus Juan Fernandez. — The natural 
history of Juan Fernandez and Easter 
Island ed. by C. Skottsberg 3 P. L 
Uppsala 1921 pp. 45-47 1 text-fig. 
62. — Fischer, W. Results of Dr. E. 
Mjobergs Swedish scientific expeditions 
to Australia 1910-13. XXVII. 
Gephyreen. K. Svenska Vet.-Ak. 
Handl. Stockholm 61 No. 8 1921(1-8) 
6 text-figs. 
63. — Foley, H. Microfilaires du 
chien dans le sud-oranais ( Mf . immitis j 
Mf. auquieri , nov. sp.) Ann. Inst. 
Pasteur Paris 35 1921 pp. 212-217 
pi. iii. 
64. — Friend, H. Two new aquatic 
Annelids. Ann. Mag. Nat. Hist. London 
Ser. 9 7 1921 pp. 137-141. 
65. — Friend, H. Why do worms die ? 
Nature London 107 1921 p. 172. 
66. — Fiilleborn, F. tjber Askariden- 
larven im Gehirn. Arch. Schift's. 
Tropenhyg. Leipzig 25 1921 pp. 62 & 63. 
67. — Fiilleborn, F. Nachweis von 
Ankylostomen und Strongyloides durch 
Platten-kotkultur. Arch. Schiffs. 
Tropenhyg. Leipzig 25 1921 pp. 121 — 
123. 
