WRITINGS OF F. B. MEEK. 51 



48. 



Meek, F. B. Note on a new genus of fossil Crustacea. <^Am. Jouru. Sci., vol. xliii, 

 2d ser., pp. 394, 395. 1867. New Haven, 1867. 



Genus Euproops. This genus was afterward fnlly described and illustrated in rol, iii of 

 Worthen's Illinois Geological Keport s. 



49. 



Meek, F. B. On the punctate shell-structure of Syringothyris. <^Am. Jouru. Sci., 

 vol. xliii, 2(1 ser., pp. 407, 408. 1867. New Haven, 1867. 



50. 



Meek, F. B. Remarks on Professor Geiuitz's views respecting the Upper Paleozoic 

 rocks and Fossils of Southeastern Nehraska. <^Am. Journ. Sci., vol. sliv, 2d ser., 

 pp. 170-187 ; continued, pp. 327-339 ; notes to the same pp. 282, 283. 1867. New 

 Haveu, 1867. 



This is an extended discussion and criticism of Dr. Geinitz's " Carbon formation nnd Dyas in 

 Nebraska." The following fossils are discussed especially : 



Page. 



Serpula (Spirorbis) planorhitcs, Miinster 177 



Euomphalus rugosits. Hall 177 



Spirorbis helix, King 178 



Murchisonia guhtaeniata, Geinitz 178 



Orthonema fubtoeniata, Geinitz, sp 178 



BcUerophon interlineatus, Portlock 178 



Bellerophon marcouanus, Geinitz 178 



Macrocheilus pallianug, Geinitz 178 



Allorisma elegans, King 173 



Solenomya biarmica, de Vemeuil 178-179 



Astarte gibbosa, McCoy 179 



Astarte ?iebrascensis, Geinitz 179 



Astarte mortonensis, Geinitz 179 



Astai'tc valUsnerianus, King 179 



Schizodus obscurus, Sowerby 179 



Schizodus rossicus, de Vemeuil 179 



Area striata, Schlotheim 179-180 



Macrodon tenuistriata, M. &, W 179-180 



Xucula kazanensis, de Vemeuil 180 



Leda bellistriata, Stevens 180 



Nucula beyriehi, Schlotheim 180 



Clidophorm pallasi, M. V. & King 180-181 



Clidophorus (Pleurophorus) sirnplus, Keyeerling 181 



Plextrophoms gubeuneatus, M. &H 181 



Clidnphorus solenoides, Geinitz 181 



Aueella Hausmanni (Goldf.), Geinitz 182 



Myalina swallovi, McChesney 182 



Mytilus concavus 1 (Swallow), Geinitz 182 



Myalina perattenuata (M. & H.), Geinitz 182 



Myalina subquadrata (Shumard), Geinitz 182 



Avienla speluncaria (Schlotheim), Geinitz 182 



Monutis hawni, M. & H 182 



Pseudomonotis hawni, M. &H 182 



Pseudomonotis sinuata 182 



Avicula pinnceformis, Geinitz 182 



Gervillia parva (M. & H.), Geinitz '. 182-183 



Gervillia longa, Geinitz 183 



OervilUa (avieula) sulcata, Geinitz 183 



Pecten ncglectus, Geinitz 183 



Pecten Missuuriensis ? (Shumard), Geinitz 183 



Pecten hawni, Geinitz 183 



Pecten broadheadii, Swallow 183 



Aviculopecten hawni 183 



