DIXOFLAGKLr.AT.r; — CKRATIUM 215 



1899 Jaiiuarij: Canaries to H3" N. If) W. 

 February: 32' N. 47* \V. 

 Marr}i:'2Y- N. 43° W. 

 April: 28^—36^ N. 74^—75" W. 

 June: 19° S. 1° W.; 3° S. 20° W. to 1- S. 14^ W.; 9' N. 25 



W.; 21° N. 45° W. 

 Ju1,i: 28° N. 40° W.; 40° N. 38° W. 



Temperature: 21. i, mean of 101 obs., max. 2(S.k min. 9..s. 



Salinity: 35.77, mean of 71 ob.s., max. 37.4o, min. 33. io. 



Plankton-type. Occurs in the Mediterranean, the Ked Sea 

 and Indian Ocean, in the Atlantic in the S. Equatorial and Brazil 

 Currents. It follows the Etjuatorial Current along the N. coast of 

 S. America into the Caribbean Sea, thenco the Antilles and Florida 

 (Currents to the south of the Newfoundland Banks, between 40° and 

 45° N., where it occurs abundantly from .lidy to September, thence, 

 in the winter, to the space between the Azores, Gibraltar and the 

 Canaries. It occurs in the Sargasso Sea not rarely from December 

 to Mav, more rarelv later. — 1). 



CERATIUM DIGITATUM Schutt. 

 (D. I'eridiiu'-en d. Plankton-oxp. PI. XII iig. 42. 



1898 Februarif: Caribbean Sea. 

 Mareh:-r N. 55° W. 

 April: (Caribbean Sea. 



Temperature: 24. s, mean of 4 obs., max. 26..-,.-,, min. 20.7. 

 CERATIUM (FUSUS VAR.) EXTENSUM (lorKiuT. 



{Ccratiuin Jusiis SchCtt Pfl. d. Hochsee pag. 271 fig. 80. '.JusKf car exiensiiin 

 GouRRET Ann. du Musee d' hist. nat. de Marseille, zoo!. Vol. I n. 8 pag. 52 Pi. 

 IV fig. o6. c. f/istts rar. lonr/isctf Cl. K. Sv. Vet. Akad. Ilandl. Vol. XXXII n. 3. 



pag. 3, nomen nudum.) 



1898 Janua/y: 1° S. 26°— 27° W.; 11° N. 52° W.; 18' N. 46° W. to 

 45° N. 13° W.; Caribbean Sea; 26°— 32° N. 74° VV.; 7°— 8° 

 N. 22°— 21° W.; 44°— 46° N. 17°— 11° W. 

 Fehruartr- 5 S. 9° Iv; 16 N. 71 W. to 30° N. 74° W. 



