Status Update: Internet Archive continues to be offline. As a result, page images are not displaying in BHL.
More information
Notes on the Syrphidae in the Slosson Collection of Diptera. American Museum novitates ; no. 724
Curran, Charles Howard, 1894-1972 Slosson, Annie Trumbull, 1838-1926
Book
1934
English
Find in a local library