CONTENTS. 
No. 1. THE IMMATURE STATE OF THE ODONATA. Part IL. Subfamily Aischnina. By 
Louis Casor. pp. 39. With 5 Plates. August, 1881. 
No. 2. EXPLORATION OF THE SURFACE FAUNA OF THE GULF STREAM UNDER 
THE AUSPICES OF THE COAST SURVEY. III. Parr I. The Porpitide and 
Velellide. By ALEXANDER AGassiz. pp. 16. With 12 Plates. July, 1883. 
No. 3. THE REPTILES AND BATRACHIANS OF NORTH AMERICA. By Samuen Garman. 
Published by permission of the Kentucky Geological Survey. pp. 185. With 10 Plates. 
June, 1883. 
