BIBLIOGRAPHICAL SKETCH. 



33 



Natural Sciences of Philadelphia ' for 1862, pp. 405, &c. The following new 

 forms were described, but unfortunately no figures were given : 



Myalina Michiganensis. 



— umbricaria. 



— aviculoides. 



— pterineseformis. 

 Pterinea cardinata. 

 Mytilus Whitjieldanus. 

 Gardinia complanata. 



— cequimarffinalis. 



— concentrtea. 

 Edmondia binumbonata. 

 Orthonota rectidorsalis. 

 Sanguinolites unioniformis. 



— Marshallensis. 



— borealis. 

 Leptodomus clavatus. 

 Cardiomorpha onodiolaris. 



— Julia. 



— eapuloides. 

 Cardiposis crenistriata. 



Cardiopsis jejuna. 



— megambonata. 

 JVucula Hubbardi. 



— lowensis. 



— sectoralis. 



— Stella. 



Leda bellistriata, Stevens. 

 Cardiwn Napoleonse. 

 Conocardium ? bovipedale. 

 Fosidonomya Romeringeri. 



— Whiteana. 



— mesambonata. 

 Sanguinolaria similis. 



— septentrionalis. 



— sectoralis. 

 Solen scalpriformis. 



— quadrangularis. 



— priscus. 



1863. In the same publication for 1863 is another paper by A. Winchell, 

 " Description of Fossils from the Yellow Sandstone lying beneath the ' Burlington 

 Limestone,' at Burlington, Iowa," pp. 2, &c. No figures are given, but the 

 following Lamellibranchs are described : 



Aviculopecten Caroli. 



— occidentalis. 



— tenuicostus. 

 Fosidonomya ? ambigua. 

 Dexiobia (uew genus) Whitei, 



— Halli. 

 Mytilus Wkitfieldianus. 

 Orthonota phaselia. 

 Edmondia nitida. 



— nuptialis. 



— strigillata. 



— xquimarginalis. 



— .'' bicarinata. 



— .'' elliptica. 



Sanguinolites amygdalinus. 



— cylindricus. 



— lowensis. 



— sulciferus. 



? 



jejunus. 



Cardiomorplia trigonalis. 

 Area modesta. 

 JIacrodon cocJilearis. 

 Nucula microdonta. 

 Leda saccata. 

 Isocardia ? Jennce. 

 Cardiopsis megambonata. 

 Sanguinolaria ? leptogastev. 



1863. Mr. Robert H. Scott read a paper on June 10th, 1863, published in 

 vol. X of the * Journal of the Geological Society of Dublin,' " On the Fossils of 



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