26 [Assembly 
to the benefit of the legal representatives of said respective parties. 
In witness whereof, &c. 
(Signed) , JOHNE. GAVIT, 
JAMES DUTHIE. 
Sealed and delivered in presence of 
Robert Reynolds, Witness, 
Under this agreement, Mr. Duthie presented the following account: 
To engraving 252 figures on steel, at $3 each figure, for the second 
volume of Professor Hall's Palaeontology, 
Plate A. 17. Clinton Group, Graptolites, 12 figures, . . $36 00 
28. Clinton, Gasteropoda, 40 figures,.. 120 00 
41. Niagara Group, Crinoidea, 14 figures, 42 00 
42. do do 34 figures,.. 102 00 
45. do do 37 figures,.. Ill 00 
46. . do' do 29 figures,.. 87 00 
49. a. do do 19 figures,.. 57 00 
50. do Cystidea,... 29 figures,.. 87 00 
51. do do 24 figures,.. 72 00 
70. do Trilobites,. . 14 figures, . . 42 00 
252 figures,.. $756 00 
I certify that the plates enumerated in the above bill have been 
executed under my direction, for the Palaeontology of New-York^ 
and that the same are engraved in a satisfactory manner, and in ac- 
cordance with the contract. Albany, May 18, 1850. 
(Signed,) JAMES HALL. 
Received May 18, 1850, of James Duthie, engraver, the following 
steel plates belonging to volume 2 of the Palaeontology : 
No. A. 17, 28, 41, 
42, 45, 46, 
49a, 50, 51, 
70, in all ten plates. Also, letter proof of the same. 
(Signed,) JOHN GEBHARD, 
Curator State Cabinet, 
We certified the above account to the Comptroller at $756. 
