i 
New-York Lyceum of Natural History. 199 
of the Abbé Correa de Serra, deceased. P. R. Ricard Ma- 
dianna, of Paris, and J. I. Bigsby, of the British Medica} 
Staff were chosen Correspondents. 
March 22.—Captain Le Conte read “ Observations on the 
North American species of the Genus Gratioza.” Insert- 
ed p. 114. A specimen of earth called * Matari” was pre- 
sented by Dr. Madianna, used by the negroes of the Antilles 
as an article of food. It is a soft steatitic earth, with a 
small proportion ofiron. It resembles a similar earth which 
meri 
nal of Science and Arts, Vol. VIII. p. 60. Dr. Madianna 
read his “ Researches and Experiments on some spe- 
cies of the genus Passiflora.” Inserted p. 127 of the Annals, 
ril5.—Mr. Barnes communicated ‘ Observations on 
Cyprea,” &c. with descriptions of some apparently new spe- 
cies. é; 
April 19. Mr. Cooper communicated a paper “On the 
Megatherium, recently discovered in Georgia.” This paper 
was accompanied by a collection of the bones themselves of 
this huge extinct quadruped. Inserted p. 114 of the Annals. 
Mr. Halsey read a paper entitled ‘‘ Remarks on certain Eu- 
tozoical Fungi.”’ Inserted p. 125 of the Annals. Prof. J. 
G. Christian Lehman, of Hamburgh, was elected Honorary 
- Member in the room of the Abbé Haiiy, deceased 
pril 26.—Dr. Van Rensselaer read an analysis of Hum- 
boldt’s work entitled “‘ Essai Geognostique sur le gissement 
des Roches dans les deux hemisp ? referred to him at 
a former meeting. Col. Totten read a paper entitled “ Notes 
on some new Supports for Minerals subjected to the action of 
the Blowpipe.” Inserted p. 109. Dr. Madianna communi- 
cated a paper on the poison of the Hipomana mancinella, of 
the Antilles. 
