148 
BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 162. 
Paleontology— Continued. 
Genera and species described — Continued. 
Magnolia elliptica Newb. n. sp., Newberry, 
No. 573a. 
longifolia Newb. (?), Hollick, No. 368. 
obovata Newb., Newberry, No. 573a. 
rotundifolia Newb., Newberry, No. 573a. 
woodringensis Hollick, Hollick, No. 367, 
370. 
Manicaria haydenii Newb-, Newberry, No. 
573a. 
Marginulina ensis Reuss, Bagg, No. 27. 
pediforniis Bornemann, Bagg, No. 27. 
trilobata d'Orbigny, Bagg, No. 27. 
Martesia Leach, Dall, No. 184. 
elongata, Harris, No. 334. 
? ovalis n. sp., Dall, No. 184. 
Mastodon floridanus, Leidy, No. 481. 
Mastodonsaurus, Case, No. 134. 
Medusichnites Matthew, Walcott, No. 844. 
Medusida Walcott, Walcott, No. 844. 
atava Pohlig, Walcott, No. 844. 
bicincta Haeckel, Walcott, No. 844. 
coststata Torrell (sp.), Walcott, No. 844. 
deperdita Beyrich (sp.), Walcott, No. 844. 
porpitina Haeckel, Walcott, No. 844. 
princeps Torrell (sp.), Walcott, No. 844. 
quadrata Haeckel, Walcott, No. 844. 
radiata Linnarsson (sp.), Walcott, No. 844. 
staurophora Haeckel, Walcott, No. 844. 
Medusites cretaceous Kner, Walcott, No. 844. 
helgolandicus Brandt, Walcott, No. 844. 
latilobatus Amnion, Walcott, No. 844. 
Meekapora, Simpson, No. 702. 
Megalneusaurus n. gen., Knight, No. 446. 
rex Knight, Knight, No. 446. 
Megalonyx, Case, No. 136. 
Melina Retzius, Dall, No. 184. 
maxillata (Deshayes), Dall, No. 184. 
Melocrinus milwaukensis n. sp., Weller, No. 
862. 
var. rotundus n. var., Weller, No. 862. 
nodosus Hall, Weller, No. 862. 
var. spinosus n. var., Weller, No. 862. 
subglobosus n. sp., Weller, No. 862. 
Meretrix fulva n. var., Harris, No. 334. 
greggi n. var., Harris, No. 334. 
hatchetigbeensis, Harris, No. 334. 
nuttaliopsis, Harris, No. 334. 
subimpressa var., Harris, 334. 
Merista tennesseensis, Hall and Clarke, No. 
327. 
Meristella walcotti, Hall and Clarke, No. 327. 
Merycodesmus n. gen., Scott, No. 692. 
gracilis n. sp., Scott, No. 692. 
Mesodesma Deshayes, Dall, No. 184. 
(Donacilla) (Lam.) Phillips, Dall, No. 184. 
(Paphies) Dall, No. 184. 
(Taria) Gray, Dall, No. 184. 
Mesosaurus, Case, No. 135. 
Metoposaurus (Metopias), Case, No. 134. 
Microgomphodon, Case, No. 135. 
Microyoldia Verrill, Dall, No 184. 
Miliolina seminulum, Bagg, No. 27. 
Mitoclema, Simpson, No. 702. 
Modiola alabamensis, Harris, No. 334. 
Paleontology— Continued. 
Genera and species described — Continued. 
Modiola gigas Wagner, Dall, No. 185. 
(Brachydontes) multilinigera Meek, Lo- 
gan, No. 498. 
Modiolaria Beck, Dall, No. 184. 
carolinensis n. sp., Dall, No. 184. 
lateralis Say, Dall, No. 184. 
virginica Conrad, Dall, No. 184. 
Modiolus Lamarck, Dall, No. 184. 
cretaceus Conrad, Dall, No. 184. 
ducatelli Conrad, Dall, No. 184. 
silicatus n. sp., Dall, No. 184. 
pugetensis n. sp., Dall, No. 184. 
(Botula) cinnamomeus Lamarck, Dall, No. 
184. 
(Brachydontes) critinus Bolten, Dall, No. 
184. 
demissus Dillwyn, Dall, No. 184. 
grammatus n. sp., Dall, No. 184. 
guppyi n. sp., Dall, No. 184. 
(Gregariella) minimus n. sp., Dall, 184. 
Monocotyledon gen. et sp., ( ?) Newberry, No. 
573a. 
Monograptus beecheri n. sp., Girty, No. 300. 
Monomerella egani, Hall and Clarke, No. 327. 
greenii, Hall and Clarke, No. 327. 
kingi, Hall and Clarke, No. 327. 
ortoni, Hall and Clarke, No. 327. 
Monopteriagibbosaalatan, var., Beede, No. 63. 
Monotrypa, Simpson, No. 702. 
Monotrypella, Simpson, No. 702. 
Monticulipora, Simpson, No. 702. 
Moriconia cyclotoxon Deb. and Ett., Hollick, 
Nos. 367, 368. 
Morosaurus, Williston, No. 905. 
Mortoniceras shoshonense Meek, Logan, No. 
498. 
vermillionense M. & H., Logan, No. 498. 
Mosasaurus, Williston, No. 902. 
horridus, Williston, No. 902. 
Mulinia Gray, Dall, No. 184. 
caloosensis n. sp., Dall, No. 184. 
congesta Conrad, Dall, No. 184. 
lateralis Say, Dall, No. 184. 
milesii Holmes, Dall, No. 184. 
sapotilla n. sp., Dall, No. 184. 
Mya arenaria Linne, Dall, No. 184. 
arkansana n. sp., Weller, No. 860. 
producta Conrad, Dall, No. 184. 
truncata Linne, Dall, No. 184. 
Mylodon, Case, No. 136. 
Myrica longa Heer, Hollick, No. 368. 
( ?) trifoliata Newb. n. sp., Newberry, No. 
573a. 
Myrsine elongata Newb., Hollick, No. 368. 
Myrtophyllum (Eucalyptus ?)geiuitziHeer(?), 
Hollick, No. 367. 
Mytilus (L.) Bolten, Dall, No. 184. 
conradinus Orbigny, Dall, No. 184. 
edulis Linne, Dall, No. 184. 
pandionis n. sp., Dall, No. 184. 
(Hormomya) exustus Linn6, Dall, No. 184. 
hamatus Say, Dall, No. 184. 
(Mytiloconcha) incurvus Conrad, Dall, 
184. 
