CONTENTS. 



Page 

 No. 1. — TJeports on the Results of Dredging by the United States Coast Sur- 

 vey Steamer " Blake." VIII. Etudes preliminaires sur les Crustacc's. 

 Per A. Milne-Edwards. I. Partie. (2 Plates) 1 



No. 2. — Reports on the Results of Dredging by the United States Coast 

 Survey Steamer " Blake." IX. Preliminary Report on the Echini. By 

 A. Agassiz 69 



No. 3. — New and little-known Reptiles and Fishes in the Museum Collections. 

 By S. Garman 85 



y No. 4. — List of Dredging Stations occupied during the year 1880 by the 



United States Coast Survey Steamer " Blake " 95 



No. 5. — Reports on the Results of Dredging by the United States Coast Sur- 

 vey Steamer " Blake." X. Report on the Cephalopods and on some ad- 

 ditional Species dredged by the United States Fish Commission Steamer 

 " Fish Hawk," during the Season of 1880. By A. E. Verrill. (8 Plates) 99 



No. 6. — The Stomach and Genital Organs of Astrophytidas. By T. Lyman. 

 (2 Plates) 117 



No. 7. — Reports on the Results of Dredging by the United States Coast Sur- 

 vey Steamer " Blake." XI. Report on the Acalephae. By J. W. Fewkes. 

 (4 Plates) ". • 127 



No. 8. — Studies of the Jelly-Fishes of Narragansett Ray. By J. W. Fewkes. 

 (10 Plates) 141 



No. 9. — List of Mammals collected by Dr. Edward Palmer in North-eastern 

 Mexico, with Field-Notes by the Collector. By J. A. Allen . . .183 



No. 10. — The Trilobite : New and Old Evidence relating to its Organization. 

 By C. D. Walcott. (6 Plates) 190 



