lv CONTENTS. 
No. 11. — Reports on the Results of Dredging by the United States Coast 
Survey Steamer “ Blake.” XII. Report on the Selachians. By S. Gar- 
MAN . 
No. 12. — Report on the Results of Dredging by the United States Coast Sur- 
vey Steamer “Blake.” XIII. Report on the Pycnogonida. By E. B. Wir- 
son. (5 Plates) 
No. 18. — On some Crustacean Deformities. By W. Faxon. (2 Plates) 
No. 14. — The Devonian Insects of New Brunswick. By H. A. HAGEN 
