Intelligence and Miscellanies. 357 



€raft and Geo. Johnson, from the same region. Among them 

 were Falco furcalus, F. cooperii, Corvus pica, Tetruo alb us, 

 Ardsa exilis, Tcstudo serpentina. Dr. Darlington, of West 

 Chester, Penn., a corresponduig member, communicated a 

 paper entitled '' Description of the Prunus Americana,' with 

 a drawing illustrating the same. Mr. Cooper, from the spe- 

 cial Committee made a rei)ort on the magnifi- ent work of 

 Audubon upon the Birds of Morth America, which was exhibit- 

 ed at a former meetmg. The President announced that he had 

 received from Prof. Zipzer of JNeusohl, Hungary, and arranged 

 in the cabinet, one hundred geological specimens. They con- 

 sist of a great variety of porphyries, trachytes, and other vol- 

 canic rocks, as well as fossils, illustrating the geology of a very 

 interesting part of Hungary. The Corresponding Secretary 

 re ,d a letter from Mr. Schoolcraft, announcing his intention of 

 visiting the Upper Mississippi, as far possibly as the Porcupine 

 Mountains, and offering to make any inquiries the Lyceum 

 may suggest. Information was also received of a proposed 

 private expedition up the Rio del Norte, Mexico. The 

 Curators were charged with the subject of both expeditions, 

 with powers. Dr. Del Rio, Professor of Mineralogy in the 

 College of Mmes, Mexico, now present in the city, presented 

 his Compend of the new Mineralogical system of Berzelius. 

 A specimen of native gold in its gangue from North Caro- 

 lina was presented by Mr. J^ash. 



Dr. De Kay read a paper entitled " Remarks on certain 

 phenomena exhibited upon the surface of the primitive rocks 

 in the vicinity of this city." The author alluded in his paper 

 to those singular parallel furrows or scratches on the surface 

 of rocks, having an invariable N. N. W. and S. S. E. direc- 

 tion, and supposed to have been caused by the agency of an 

 overwhelming current. The writer indicated several locali- 

 ties where these appearances had been more particularly 

 noted, and the paper was accompanied by diagrams illustra- 

 ting the relative position of these furrows, with the direction 

 of the stratified rocks. Mr. T. P. Allen presented specimens 

 of proto carbonate of iron from Baltimore, (Md.) manganese 

 from Brookville, Frederick Co. Md. and sulphuret of lead, 

 with blende from Eaton, (N. H.) The latter containing for- 

 ty ounces of silver to the ton — Mi . John I. Glo-cer was elect- 

 ed a Resident Member. 



