174 [May, 1842 



Philadelphia, May 12th, 1S42, informing the Academy of a 

 donation by him of Casts of American fossils ; and also 

 requesting an exchange of either casts or specimens. 



Also a letter from Dr. Geo. Engelman, dated St. Louis, 

 Missouri, April 25, 1S42, stating that he had transmitted a 

 donation of rare German plants, with some species of Verbena 

 and Cuscuta from his own vicinity, and likewise requesting 

 an exchange. 



STATED MEETING, May, 24, 1S42. 



Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



74 Casts of American Fossils, &c, from Dr. John Locke, 



being the Collection referred to in his letter read at the last 



meeting, and containing the following 



Isoteles . Apocrinites reticulata (3 speci- 



Isoteles gigas (4 specimens). mens. 



Isoteles megistos t (9 specimens). Fucoides cauda galli (2 speci- 



Mouth piece of do. (2 speci- mens. 



mens). Fucoides Harlani. 



Calymene Blumenbachii. Asaphus (4 specimens). 



Calymene senaria (4 specimens). Asaphus caudatus. 



Calymene Downingiee. Asaphus tuberculatus. 



Tviarthrus Beckii (2 specimens). Strophomena alternata. 



Cryptolithus tesselatus. Pentamerus oblongus (3 speci- 

 Dipleura Dekayi. mens). 



Paradoxides . Lingula 



