6 Moll. 
VIII. Mollusca. 
[1911] 
recent and fossil. Chicago 111. Acad. 
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i-lviii. 19 
Baker, Frank C. Mollusks of 
Wellesley Island and vicinity, St. 
Lawrenco Kivor. Nautilus Boston 
Mass. 25 (00-07). 20 
Baker, Frank 0. Preliminary note 
on the Life of Glacial Lake Chicago. 
Science New York N.Y. N.S. 31 1910 
(715-717). 21 
Baker, Fred. Correspondence from 
Brazil. Nautilus Boston Mass. 25 
(37-39 54-50). 22 
Balch, Francis N. On a new Labra- 
dorean species of Onchidiopsis , a genus 
of mollusks new to eastern North 
America ; with remarks on its relation- 
ships. Washington D.C. Smithsonian 
Inst. Proc. U. S. Nation. Mus. 38 
(No. 1701) 1910 (409-484) 2 pis. 23 
Bdrdarson, Gudmundur G. Traces 
of changes of climate and level at 
Hiinafl6i, Northern Iceland. In : Die 
Veranderungen dos Klimas 11. intcrnat. 
Geologonkongr. Stockholm 1910 (347- 
352). 24 
Bartholomew, J. G., Clarke, W. Eagle 
and Grimshaw, Percy H. Atlas of 
Zoogeography. A series of Maps illus- 
trating the Distribution of over Seven 
Hundred Families, Genera, and Species 
of Existing Animals. Bartholomew’s 
Physical Atlas 5 Edinburgh 1911 
(1-07) maps 1-30. 25 
Bartsch, Paul. Descriptions of new 
mollusks of the family V itrinellidae 
from the west coast of America. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 39 1911 
(229-234) pis. xxxix-xl. 26 
Bartsch, Paul. The recent and 
fossil mollusks of the genus Alabina 
from the west coast of America. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 39 1911 
(409-418) pis. lxi-lxii. 27 
Bartsch, Paul. The recent and 
fossil mollusks of the genus Alvania 
from the west coast of America. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 41 1911 
(333-362) pis. xxix-xxxii. 28 
Bartsch, Paul. The recent and 
fossil mollusks of the genus Cerithiopsis 
from the west coast of America. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 40 1911 
(327-367) pis. xxxvi-xli. 29 
Bartsch, Paul. The recent and 
fossil mollusks of the genus Diastoma 
from the west coast of America. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 39 1911 
(581-584). 30 
Bartsch, Paul. A new species of 
Cerithiopsis from Alaska. Washington 
D.C. Smithsonian Inst. Nation. Mus. 
Proc. 37 1910 (399-400). 31 
Bartsch, Paul. Four new Land Shells 
from the Philippine Islands. Wash- 
ington D.C. Smithsonian Inst. Nation. 
Mus. Proc. 37 1910 (295-299) 1 pi. 32 
Bartsch, Paul. New mollusks of 
the genus Aclis from the North Atlantic. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 40 1911 
(435-438) pi. lix. 33 
Bartsch, Paul. Notes on the Philip- 
pine Pond snails of the genus Vivipara, 
with description of new species. 
Washington D.C. Smithsonian Inst. 
Nation. Mus. Proc. 37 1910 (365-367) 
pi. 34 
Bartsch, Paul. The recent and 
fossil mollusks of the genus Bittium 
from the west coast of America. 
Washington D.C. Smithsonian Inst. 
Proc. U. S. Nation. Mus. 40 1911 
(383-414) pis. li-lviii. 35 
Bartsch, Paul. The West American 
mollusks of the genus Alaba. Wash- 
ington D.C. Smithsonian, Inst. Proc. 
U. S. Nation. Mus. 39 (No. 1781) 
1910 (153-156). 36 
Bartsch, Paul. The West American 
mollusks of the genus Eumeta. Wash- 
ington D.C. Smithsonian Inst. Proc. 
U. S. Nation. Mus. 39 1911 (565-568). 
37 
Bartsch, Paul. The West American 
mollusks of the genus Nodulus. Wash- 
ington D.C. Smithsonian Inst. Proc. 
U. S. Nation. Mus. 41 1911 (289-291). 
38 
Bartsch, Paul. Three new Land 
Shells from Mexico and Guatemala. 
Washington D.C. Smithsonian Inst. 
Nation. Mus. Proc. 37 1910 (321-323) 
pi. 39 
Bartsch, Paul vide Dali, William 
Healey. 
