10 Brack. — Bry. 
VII. Bryozoa. 
[1920] 
I. — TITLES. 
Barroso, M. G. Notas sobre briozoos 
espanolos. Bol. Soo. Espan. Hist. Nat. 
20 1920 (353-302) figs. * 1 
Bassler, R. S. Maryland Geological 
Survey Cambrian and Ordovician 1919 
(1-424) pis. i-lviii. 2 
Bassler, R. S. vide Canu. 
Canu, F. Le syst6me hydrostatique 
zoarial des Bryozoaires chilostomes. 
C. r. somm. Seances Soc. Geol. France 
1915 (21-22). 3 
Canu, F. and Bassler, R. S. North 
American Early Tertiary Bryozoa. 
Bull. U.S. Nat. Mus. 106 1920 (1-880) 
pi. i-clxii. 4 
Chapman, F. Lower Carboniferous 
Limestone fossils from New South 
Wales. Proc. Linn. Soc. N.S.W. 45 
1920 (364-367) pi. xxiv. 5 
Cunnington, W. A. The fauna of the 
African Lakes : a study in Com- 
parative Limnology with special 
reference to Tanganyika. Proc. Zool. 
Soc. Lond. 1920 (507-622). 6 
Dali, W. H. Pliocene and Pleistocene 
Fossils from the Arctic Coast of Alaska 
and the Auriferous Beaches of Nome, 
Norton Sound, Alaska. U.S. Geol. Surv. 
Prof. Paper 125-c 1920 (23-37) pi. v-vi. 
7 
Gaster, C. T. A. An Undoscribod 
Species of Trochiliopora. Geol. Mag. 
57 1920 (526). 8 
McEwan, E. D. The Ordovician of 
Madison, Indiana. Amer. J. Sci. 50 
1920 (154-158). 9 
Marcus, E. Notizen iiber einiges 
Material mariner Bryozoen des Berliner 
Zoologischen Museums. Sitzber. Ges. 
natf. Freunde Berlin 1919 (255-284). 10 
Musper, F. Der Brenztaloolith, sein 
Fossilinhalt und seine Deutung. 
Jahreshefte Ver. f. vaterl. Nat. 
Wurttemberg 76 1920 (1-61). 11 
Okada, Yaichiro. Notes on some 
species of Retepora and Adeonella 
occurring in Japan, with descriptions of 
one now variety and five new species. 
Annot. Zool. Japan 9 1920 (613-634) 
pi. viii. 12 
Osburn, R. C. Bryozoa of the 
Crocker Land expedition. Bull. Amer. 
Mus. Nat. Hist. 41 1919 (603-624). 13 
Pallaroni, M. Sulla simbiosi di un 
Briozoario fossile e di un paguro. 
Atti Soc. Ligust. Sci. Nat. 31 1920 (20- 
28) tav. 1. 14 
Sal6e, A. Les “ Fistulipora ” 
globuloux du Devonien moyen de la 
Belgique. Bull. Soc. Beige G&ol. 29 
(2) 1919 (46-48). 15 
Thuma, F. R. Ueber einige noue 
Fundstellen oberturonen Fossilien im 
bohmischen Mittelgebirge. Verh. k. k. 
Geol. Reichs. Wien 1916 (281-288). 16 
Vanhoffen, E. Die niedere Tierwelt 
des Frischen Haffs. Sitzber. Ges. 
Natf. Freunde Berlin 1917 (113-147). 
17 
II.— SUBJECT INDEX. 
STRUCTURE. 2007 
Canu & Bassler, 4. 
PHYSIOLOGY. 2011 
Hydrostatic zoarial system ; Canu, 3 
ETHOLOGY. 2019 
Symbiosis ; Pallaroni, 14. 
DISTRIBUTION. 2027 
(a) Recent. 
(a) Marine. 
Spain ; Barroso, 1. 
North Sea ; Marcus, 10. 
Greenland, list of known spp. 
Osburn, 13. 
Arctic ; Marcus, 10. 
Vladivostok ; Marcus, 10. 
Japan ; Okada, 12. 
(j 3 ) Freshwater. 
Germany ; Vanhoffen, 17. 
African Lakes ; Cunnington, 6. 
