32 [Assembly 
Mr. Gebhard subjoined a certificate that he had received the 3 
steel plates in questionj with 3,000 impressions from each at the ge- 
ological rooms. We certified this account. 
Mr. Hall presented the following accounts : 
Mrs. Brooks, for the following extra drawings, added to the plates 
of the volume now in press, (2d vol. Palaeontology,) since the last ac- 
count was rendered. 
Of Calopora, * . . . . 4 drawings. 
Catinipora, 4 
Dictyonema, 2 
Clidopera, 2 
Catinipora, (large) 2 
Heliolites, 1 
Helix Elegans, 7 
Heliolites 1 c. 1 m. 1 1 3 
Favosites Majoriensis, 1 
Catinipora Agglomerata, 3 
Heliolites Spirifera, 4 
Avicula, , 2 
Stromatepora and Catinipora, 2 
Helix Pyriformis, 3 
40 at $1.50, $60 00 
Professor Hall added a certificate as follows: The drawings spe- 
cified in the within bill have been made for the second volume of the 
Palaeontology, and have not been previously paid for. 
Mr. Hall presented at the same time, an account for drawings by 
Mrs. Hall : 
Fenestella of Clinton Group, 5 figures, 
Streptolosma, 2 figures, 
Caryocrinus and Callocystites, 11 figures, 
Diplophyllum and others, 5 corals, ... 5 figures. 
23 at $1 50, $34 50 
with a similar certificate. We certified the accounts to the Comp- 
troller $94.50. 
Professor Hall mentioned that the drawings for the second volume 
of his work were now completed. 
