State Museum of Natural History. 15 



plates and explanations as hereinbefore described, provided that as one 

 hundred copies of each of the plates of the Lamellibranchiata up to 

 and including number eighty, except numbers thirty-five and forty- 

 two, have been appropriated to use by said trustees, it shall constitute 

 a full delivery on the part of the said Van Benthuysen, when he shall 

 have delivered two thousand nine hundred complete copies of each of the 

 two volumes of Lamellibranchiata and one hundred copies of a bound 

 volume containing the text and the remaining plates ; the times for 

 the delivery of the several volumes herein specified shall be as follows, 

 that is to say, the first volume on Lamellibranchiata not later than 

 February 15, 1884; the second volume on Lamellibranchiata not later 

 than January 1, 1885 ; the volume on Bryozoa not later than May 1, 

 1886 ; the volume on Crustacea, etc., not later than May 1, 1887, and 

 the volume on Brachiopoda not later than August 1, 1888 ; it is 

 further agreed that the said Van Benthuysen shall be paid from the 

 treasury of the State for the work herein described as follows, that is 

 to say, for the first volume on Lamellibranchiata, six thousand seven 

 hundred and forty-four and thirty-six one-hundred ths dollars ; for the 

 second volume on Lamellibranchiata, ten thousand four hundred and 

 two and eighty-seven one-hundredths dollars ; for the volume on 

 Bryozoa, fifteen thousand and sixteen and twenty one-hundredths 

 dollars ; for the volume on Crustacea, etc., sixteen thousand nine 

 hundred and thirty-two and eighty-eight one-hundredths dollars ; and 

 for the volume on Brachiopoda, fifteen thousand nine hundred and 

 three and sixty-nine one-hundredths dollars ; making a total of sixty- 

 five thousand dollars, to be paid in the manner following, that is to 

 say, for the work of lithography, as herein described, on the presenta- 

 tion from time to time of detailed bills in which the work executed 

 for each separate volume shall be separately stated, be shall be paid for 

 such work at the rate of eighty-eight per cent of the prices fixed in 

 the contract made in 1871 between the State of New York and 

 Charles Van Benthuysen ; and on the completion of the printing and 

 binding and the delivery of each of the several volumes, he shall be 

 paid such further sum as when taken together with the sums paid for 

 the lithography of such volume shall amount in the case of each 

 volume to the aggregate sum hereinbefore specified for such volume ; 

 and said sums shall be in full payment for all the work done in 

 pursuance of this agreement ; it is further agreed in case the Legisla- 

 ture shall fail to make the appropriations for the continuance of the 

 work herein described, or in case of the death or disability of the 

 author or authors employed for its preparation, that the work shall 

 be suspended and that all the parts of any volume or volumes which 

 shall have been printed, together with the plates and explanations 

 therefor, shall be delivered to the said trustees, and so far as appro- 

 priations may be available, payment shall be made for the same in 

 accordance with the terms herein described, and the balance not so 

 paid shall constitute a just claim against the treasury of the State. 

 In witness whereof and in pursuance of the authority conferred 

 by the third section of chapter three hundred and fifty-five 

 of the Laws of 1883, the Eegents of the University, acting as 

 trustees of the State Museum of Natural History, have 



