21 
26. Huge cone of a terebratulite, resembling the heart 
of-acalf. Chalky. Locality not known. 
27. Shell, in argillaceous iron-stone; nent four 
inches wide. Dumbarton, Scotland. 
28. Bivalve shell, apparently a cardium in agate. 
29. Cardite, from Matanzas, in Cuba; two hundred 
feet below the surface.—Captain Noyes. 
80. Silico-calcareous incrustations. W. Coast of Peru. 
—Rodgers. 
31. A suite of fossil specimens, amounting to more than 
thirty ; illustrating the geology of Crefeld, near Dussel- 
dorff; consisting of pectinites, ostrzeites, belemnites, and 
echinites; among them a very peculiar calymene, and 
figures of the skull-shell.—From F. W. Hoenighaus. 
32. A-collection of molds, from different quarters, of 
clams, cockles, myas, &c. ; in good preservation. 
33. Two petrified madrepores, called buffalo horns. In- 
diana. e 
34. A double fossil oyster, and various other small 
petrifactions, from various places. 

N° VE. 
The sixth Shelf. 
1, A couLecrion of orthocerites, madreporites, &c.; in 
lime-stone; illustrating the geology of the Black River 
country, near Sacket’s Harbour.—Judge Sackett. 
2. A superb slab, filled with pectinites. Brownville.— 
Major General Brown. 
3. A set of specimens from the cliffs of Selma, up the 
river Missouri; consisting of | , 
(a) Fossils—such as madreporites, and other oka i 
remains, in abundance ; favosites, &c. 
(6) Minerals—such as galena, or sulphuret of lead’; 
terra ponderosa, or sulphate of barytes ; crystrals of quartz, 
in clusters.—Colonel J. Smith, 

