IV. THE PELAGIC TUNICATA OF THE GULF STREAM 



PART II. SALPA FLORIDANA (APSTEIN) 



PART III. THE SUBGENUS CYCLOSALPA 



PART IV. ON OIKOPLEURA TORTUGENSIS, N. SP. A NEW 

 APPENDICULARIAN FROM THE TORTUGAS 

 WITH NOTES ON ITS EMBRYOLOGY 



Plates i to 8 and 3 text figures 



73 



