200 
INDEX TO NORTH AMERICAN GEOLOGY, 
[bull. 2711 
Paleontology— Continued . 
Genera and species described — Continued. 
Macrocallista marylandica (Conrad), Glenn, 
5. 
(Chionella) sp., Dall, 1. 
Mactra clathrodon Lea, Glenn, 5. 
Magnolia capellinii Heer, Berry, 1. 
capellini Heer, Hollick, 2. 
speciosa Heer, Berry, 1. 
tenuifolia Lesq., Berry, 1. 
tenuifolia Lesq. (?), Hollick, 2. 
Mangilia cornelliana n. sp., Martin, 3. 
(Glyphostoma) obtusa n. sp., Martin, 3. 
parva (Conrad), Martin, 3. 
parvoidea n. sp., Martin, 3. 
patuxentia n. sp., Martin, 3. 
Margaritaria abrupta (Conrad) Glenn, 5. 
Margarites peninsularis n. sp.. Dall, 1. 
Marginella calvertensis n. sp.. Martin, 3. 
denticulata Conrad, Martin, 3. 
minuta Pf eiffer, Martin, 3. 
Marsilea andersoni n. sp., Hollick, 2. 
Martesia ovalis (Say), Glenn, 5. 
Meekoceras Hyatt, Smith (J. P.), 2. 
(Gyronites) aplanatum White, Smith 
(J. P.), 2. 
gracilitatis White, Smith (J. P.), 2. 
(Koninckites) mushbachanum White, 
Smith (J. P.), 2. 
Megistocrinus abnormis (Lyon), Wood (El- 
vira), 1. 
circul us? Rowley, Greene, _'. 
depressus (Hall), W 1 I Elvira), 1 
expansus Miller and Gurley, Wood (El- 
vira), 1. 
regularisn. sp.. Wood I Elvira), l. 
nodosus Barris?, Wood (Elvira), 1. 
rugosus Lyon and Casseday. Wood (El- 
vira), 1. 
spinosulus Lyon, Mow lev, Greene, 2. 
spbseralis n. sp., Wood (Elvira). 1. 
tuberatus n. sp., Wood (Elvira), 1. 
Melina maxillata (Deshayes) Glenn, 5. 
Melocrinus wittenbergensis n. sp., Etovi ley, 1. 
Melonites Owen and Norwood, Klem, 1. 
crassus Hanibae".., Klem, 1. 
irregularis Bambach, Klem, l. 
multiporus Norwood and Owen, Klem, 1. 
scptcnarius Jackson, Klem, 1. 
Membranipora bifoliata n. sp., CI rich and 
Basslcr, 4. 
eaminosa n. sp., Ulrich and Bassler, I. 
fistula n. sp., Ulrich and Bassler, 4. 
fossnliiYra n. sp.. Ulrich and Bassler, 4. 
germana n. sp., Ulrich ami Bassler, I. 
nitidula n. sp., Ulrich and Bassler, I. 
oblongula n. sp., Ulrich ami Bassler, 4. 
parva n. sp.. Ulrich and Bassler, 4. 
Meniscomys sp. indet., Matthew, Matthew 
and Gidley, 1. 
Meristina maria Hall, Kindle and Breger, 1. 
cf. princeps Hall, Kindle and Breger, 1. 
rectirostris Hall, Kindle and Breger, 1. 
Merychippns Leidy, Gidley, 1. 
Merycodus Leidy, Matthew (W. D.), 1. 
agilis Douglass, Matthew (W. D.), 1. 
furcatus (Leidy), Matthew ( W. D.), 1. 
Paleontology — Continued. 
Genera and species described — Continued. 
Merycodus necatus Leidy, Matthew (W. D.l 
1. 
osborni n. sp., Matthew (W. D.), 1. 
? ramosus Cope, Matthew (W. D.), 1. 
Mesodesma mariana n. sp., Glenn, 5. 
Mesohippus brachystylus n. sp., Osborn. 6. 
bairdi Leidy, Osborn, 6. 
celer Marsh, Osborn, 6. 
copei Osborn and Wortman, Osborn, 6. 
eulophus n. sp. , Osborn, f>. 
hypostylus n. sp., Osborn, 6. 
intermedins Osborn and Wortman, Os- 
born, (i. 
latidens Douglass, Osborn, 6. 
meteulophus n. sp., Osborn, 6. 
montanensis n. sp., Osborn, 6. 
obliquidens n. sp., Osborn, 6. 
proteulophus n. sp., Osborn, 6. 
validus n. sp., Osborn, f>. 
westoni Cope, Osborn, 6. 
Mesodesma alaskensis n. sp., Dall, 1. 
Mesotrypa angularis n. sp., Ulrich and Bass 
ler, 2. 
echinata n. sp., Ulrich and Bassler, 2. 
Metacheiromys Wortman, Osborn, 5. 
dasypus n. sp., Osborn, 5. 
tatusia n. sp., Osborn, . r >. 
Metis biplicata Conrad, Glenn, . r >. 
Metopocetus Cope, Case, 4. 
durinasus Cope, < 'ase, 4. 
Metoposaurus I'raasi n. sp., Lucas, 1. 
Microporella ? bifoliata n. sp. , Ulrich and 
Bassler, 4. 
inflata n. sp., Ulrich and Bassler, 4. 
praeciliata n. sp., Ulrich and Bassler, 4. 
Mierosurcula n. gen., Casey, 1. 
bellula n. sp., Casey, 1. 
nucleola n. sp., Casey, l. 
Miliolina Williamson, Bagg, 3. 
seminulum (Linn<5), Bagg, 3. 
Milleastern. gen., Ulrich, 3. 
incrustans n. sp., Ulrich, 3. 
? subramosus n. sp., Ulrich, 3. 
Miohippus crassicuspis n. sp., Osborn, 6. 
gidleyi n. sp.. Osborn, (1. 
Miolabis, Matthew (W. D.),2. 
(Paratylopus) eameloides, Matthew 
(W. I).), 2. 
(Paratylopus) primsevus n.subg. and sp., 
Matthew ( W. 1).), 2. 
i Paratylopus) sternbergi, Matthew 
( W. 1). i. •_». 
transmontanus, Matthew (W. D.), 2. 
Mitra mariana n. sp., Martin, 3. 
Modiolaria curta n. sp.. Glenn, 5. 
Modiolus alaskanus n. sp., Dall. 1. 
dalli n. sp., Glenn, 5. 
ducatelii Conrad, Glenn, 5. 
harrimani n. sp., Dall, 1. 
ioiiensis n. sp., Olenn, 5. 
virginicus (Conrad), Glenn, 5. 
sp., Dall, 1. 
(Botula ?) sp., Dall, 1. 
Molleria minuscula Dall, Martin, 3. 
Monocarpellites n. gen., Perkins, ti. 
