CONE TENS: 
SELECTIONS FROM EmpryoLocicaAL Monocrapus. Compiled by A. Acassiz, 
W. Faxon, and E. L. Mark : — 
I. Crusracea. By W. Faxon. pp. 28. 14 Plates. July, 1882. 
IJ. Ecurnopermata. By ALrexanper Agassiz. pp. 40. 15 Plates. 
July, 1883. 
III. Acarerus. By J. W. Fewxkes. Potyrs. By E. L. Marx. pp. 52. 
13 Plates. September, 1884. 
