GEOLOGICAL AND NATURAL HISTORY SURVEYS. 153 



on land and fresli-water shells, A. A. Gould on Crustacea, N. M. 

 Hentz on spiders, and others. 



In accordance Avith directions received from the governor, but 

 which were not incorporated in the original resolution, there was nmde 

 a collection of rocks and minerals, comprising some 1,550 specimens, 

 which were installed in the rooms of the Boston Society of Natural 

 History. Three collections of 900 specimens each were reported as 

 made for the three colleges in the Slate. Concerning this collec- 

 tion. Professor Hitchcock wrote in his first report (1832) : 



To illustrate the first and third parts of the report I have, in accordance with 

 directions from your excellency, collected specimens of every variety of rock I 

 could find in the Commonwealth ; and in all cases where a rock is quarried or 

 might be quarried in sevei'al places I have endeavored to obtain specimens from 

 each locality. I have collected likewise all the ores of importance found in the 

 State, as well as the other simple minerals which could be obtained without 

 nuich ditiiculty or delay. I did not suppose that my instructions authorized me 

 to be at nmch expense and trouble in procuring every rare mineral that has 

 been described as occurring in the State; although this object amy still be 

 accomplished, if I have mistaken the intentions of the government. Tiie col- 

 lection of specimens which I have already made for the use of the government 

 contains 780 individual pieces, and it is not yet completed ; so that I shall not 

 be able to forward it with this part of my report. I do not know to what use 

 the government intends to devote this collection, but, supposing it should be 

 placed in some public situation, in order to exhibit to the citizens the geology 

 and mineralogy of the State, I have endeavored to obtain from all the more im- 

 portant quarries and beds whence stones are obtained for the purpose of 

 architecture or ornament, specimens which would fairly exhibit the qualities 

 and value of each. 



Exjjenses. — The entire expense of this survey, as announced in 

 the second edition of his report (1835), including the preparation of 

 the report, collecting, labeling, and arranging the 1,550 specimens 

 of rocks and minerals, and the 900 specimens for each of the colleges 

 of the State, was $2,030. This sum does not include the cost of 

 printing the several editions of the reports. 



Puhlications. — Of the first report on economic geology printed, 

 ()00 copies were issued in 1832, and in 1833 the coniplete report, com- 

 prising economic, topographic, and scientific geology, as well as the 

 list of animals and plants, compiled in accordance with the act of 

 February 2, 1831, and forming altogether a large octavo volume of 

 700 pages, was issued. This was accompanied by an atlas containing 

 .'I geological map and 18 plates of scenery, fossils, and sections. 

 Twelve hundred copies were printed and distributed, in accordance 

 with the act of March 2, 1833. In 1835 a second edition of this re- 

 port was issued in conformity with the resolution of the legislature, 

 bearing date of February 19, 1834. Five hundred copies were 

 printed, the cost of same being limited by law to $2.G0 a copy. This 



