10 



and other collections have been arranged to the com 

 pletion of 10 sets, as follows : 



;-> v 



Species Specimens. 



1st Collection 1,570 5,198 



2d " 1,290 3,908 



3d " 1,101 3,397 



4th " 1,049 3,180 



5th " 951 2,827 



6th " 842 2,458 



7th " 797 2,221 



8th " 707 2,380 



9th " 691 2,324 



10th " 658 2,178 



Total 9,656 30,071 



Each species in each collection has a separate writ- 

 ten label containing the generic and specific name, 

 the author's name, the locality and geological forma- 

 tion, and a number which corresponds to a catalogue, 

 a copy of which is provided with each collection. 



Each series has been carefully packed in wooden 

 boxes that are plainly marked, and the whole is now 

 ready for immediate delivery. Several collections 

 have been identified for individuals, the specimens 

 being retained in payment for the list of identifications 

 returned. In this work we have been aided by Mr. 

 A. Woodward, who has given his labor to the Museum. 



In lithoiogy, the standard series of rocks deposited 

 by Major T. B. Brooks, from Austria, Norway and 

 Sweden, and from Michigan and Wisconsin, have been 

 placed in drawers in the work-rooms with their micro- 

 scopical sections. These specimens, together with 

 those of the 40th parallel survey described by Prof- 

 Zirkel, have become of such interest, and are so en- 

 tirely accessible, that scientific experts have come from 



