*lth Ellis and Blainville that Linnaeus's type was 

 "rom the China Sea. We conclude the remarks 

 lere made upon the form and relation of the species 

 rith a statement of Milne Edwards. Our loeauti- 

 n ul specie* is scareely an inch long while thi s au- 

 ;hor assigns to it a length of 4- inches,an error 

 mich prooaDly has its explanation in the faet that 

 luthors hither to have somewhat douotfully regarded 

 t as a synonym of Holten' s P.exocoeti,which we 

 mail descriloe later,and which does attain such a 

 Jize ,nr possioly in this,that authors have not re- 

 leinbered that ITordmann's figure portraying this 

 ipecies is enlarged many times. 



PENNELLA VARIANS steenstrup & Lutleen. 

 Closely related to Pennella sagitta Linn,, as we 

 Lave above descrit>ed it from the Atlantic Chironec- 

 .es marmoratus seems to stand a Pennella which we 

 lave -taken in large nuurt) er s from the fins of a dol*- 

 >hin, "hich Capt.Hygom had cut from the fish and 

 rought to the Museum. We were for a long time 

 .oubtful whether we ought to refer all the spec imens 

 o the sene species. An examination of the 

 lecimens oefore us reveals many differences oetween 

 nem; the present form nas a much greater length and 

 s especially distinguished oy the large r neclc while 



