iv 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- 



M.VN 



231 



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. Wii/- 

 80N. (5 Plates) ... 239 



No. 13. — On some Crustacean Deformities. By W. Faxon, (2 Plates) . 257 



No. 14. — The Devonian Insects of New Brunswick. By II. A. Hagen . 275 



