i6 



Report of the President. 



care. All the types and figured specimens in this Department are individual- 

 ized by the use of a small rhomb of emerald green paper securely gummed to 

 each." 



As is shown in the following tabular summary, there are in 

 this department of the Museum 8,345 type and figured speci- 

 mens, representing 2,721 species and 190 varieties: 





Types. 



Fig'd Specimens. 



References. 



Parts. 



0) 

 



CO 



1/5 

 u 



0> 



'u 



ctS 



> 



a 

 S 



CO 



0) 



'0 



<u 



a, 

 co 



m 

 V 



> 



o5 



c 



J 

 u 



CO 



<6 



Oh 



1) 

 u 



=1 



I 



II 



Ill 



44S 



635 

 667 

 472 



10 



22 



27 

 12 



1070 



1.791 



1707 

 1598 



16 



92 



158 

 233 



107 

 



5 

 7 



450 

 625 

 717 



337 



836 

 I236 



3329 

 Il60 



2372 

 4504 



5437 

 2011 



IV 







Totals. . . . 



2222 



71 



6166 



499 



119 



2179 



6561 



14324 



Expedition. — Dr. E. O. Hovey, the Associate Curator 

 of the department, spent about two months in • the field, 

 collecting invertebrate fossils from Jurassic and Cretaceous 

 beds at various localities in the Black Hills region of South 

 Dakota and Wyoming. The Jurassic fossils were especially 

 needed, but the Cretaceous forms are likewise of great value, 

 some of them enabling Professor Whitfield to complete im- 

 portant investigations which he began in 1876, when at work 

 on the fossils collected by Messrs. Newton and Jenney for 

 the United States Geological Survey of the Black Hills. 



Accessions. — Next to the fossil remains from Mt. Lebanon, 

 Syria, already mentioned, the chief donation to- the depart- 

 ment was a large and handsome slab of crinoids from the 

 Niobrara Chalk beds of Kansas, given by Frank Springer, 



