LIST OF PUBLICATIONS. 
MAXON, Wittiam R. New selaginel- 
las from the western United States. 
Smithsonian Misc. Oolls., 
ViOl adios NO wo eG. 
22, 1920, pp. 1-10, 
pls. 1-6. 
Notes on American ferns— 
xvi. 
Amer. Fern Journ., vol. 
11,..no;,4,.Mar,,, 1921, 
pp. 1-4. 
A neglected fern paper. 
Proc. Biol. Soc. Wash- 
ington, vol. 34, June 
30; - 1921, -pp., 1A 
AVS: 
MAY, Henry G. Observations on the 
nematode genus Nematodirus, with 
descriptions of new species. 
Proc. U. 8S. Nat. Mus., 
vol. 58, no. 2350, 
Nov. 30, 1920, pp. 
577-588, pls. 29-35. 
MERRELL, CuHartes G. Medicinal 
Division of the National Museum. 
Amer, Journ. Pharmacy, 
vol. 92, no. 9, Sept., 
1920, pp. 661-665, 1 
fig. 
Journ. Amer. Pharma- 
ceutical Assoc., vol. 9, 
no. 9, Sept., 1920, pp. 
896-899, 1 fig. 
Northwestern Druggist, 
vol. 28, no. 9, Sept., 
19205 pope 27,2 28)" 1 
fig. 
MERRILL, Grorce PERKINS. Second 
report on researches on the chemi- 
cal and. mineralogical composition 
of meteorites. 
Memoirs. Nat. Acad. 
Sci., vol. 14, mem. 4, 
1919, pp. i-vii, 1-15, 
pls. 1-5, text figs. 1- 
4. 
The Cunrberland Falls, Whit- 
ley County, Ky., meteorite. 
Proc. U. 8S. Nat. Mus., 
VOls- 150,61 NO.) / 2306; 
June 15, 1920, pp. 
97-105, pls. 14-18, 
text fig. 1. 
The composition and _ struc- 
ture of meteorites compared with 
that of terrestrial rocks. 
Ann. Rep. Smithsonian 
Inst LOPE PALOMA 
(1919,) pp. 175-188, 
pls. 1-9, text figs. 
1-3. 
211 
MERRILL, GrorGe PERKINS. Contri- 
butions to a history of American 
State geological and natural history 
surveys. 
Bull. U. 8S. Nat. Mus., 
no. 109, Aug. 2, 1920, 
pp. i-—xvyiii, 1-549, 
pls. 1—37. 
On chondrules and chondritic 
structure in meteorites. 
Proc. Nat. Acad. Sci., 
vol. 6, no. 8, Aug., 
1920, pp. 449-472, 
pl. 1, text figs. 1-1T. 
A retrospective view of the 
origin of Meteor Crater, Ariz. 
Pub. Astr. Soc., Pacific, 
no. 189, Oct., 1920, 
pp. 1-6, pl. 7, text 
fig... 
Notes cn the meteorite of 
Estherville, Iowa, with especial ref- 
erence to its included “ peckhamite” 
and probable metamorphic nature. 
Proc. U. 8S. Nat. Mus., 
vol. 58, no. 2341, 
Nov... 11,7, 19203. pp. 
363-370, pls. 22—24. 
METCALF, F. P. (See under W. L. 
McAtee.) 
MILLER, Gerrit S., Jr., and JAMES 
W. GIDLEY. A new rodent from 
the Upper Oligocene of France. 
Bull. Amer. Mus. Nat. 
Hist., vol. 41, Dec. 
29, 1919, pp. 595-601, 
pl. 34, text figs. 1-3. 
Conflicting views on the prob- 
lem of man’s ancestry. 
Amer. Journ. Phys. An- 
thro., vol. .3, no. 2; 
Aug., 1920, pp. 213- 
245. 
[Note on the relationship of 
the European cave bears to the 
American grizzly and brown bears. |] 
Journ, Mam., vol. 1, no. 
5, Nov., 1920, pp. 
228, 229. 
— and N. HOLLISTER. Descrip- 
tions of sixteen new murine rodents 
from Celebes. 
Proc. Biol. Soc. Wash- 
ington, vol. 34, Mar. 
31, 1921, pp. 67-76. 
Twenty new mammals 
collected by H. C. Raven in Selebes. 
Proc. Biol. Soc. Wash- 
ington, vol. 34, June 
30, 1921, pp. 93-104. 
