20() l>IX()ir,AGELLATyl-; — AMI'HISOLENIA 



April: 29 N. ;i8 W. to 10 N. oti^ W. and 12 N. 51^ W.; 

 C.avibbean Sea. 



Mdy: 28-- N. 45'— 47' \V.; ]6-'--20- X. 58''— 54'^ W.; Carib- 

 bean Sea; il° N. 51° W. 



July: Caribbean Sea; 40- N. 67° W. 



Augui^t: 30° N. 74" \\:, \\y N. ()7° W.; 1-2' N. 50° W. 



Xnrembcr: 10" S. 31 W.; 4° N. 30° W.; 13" N. 27^ W.; 

 Azores; 3H° N. 14° W. 



Dco'iribcr: Canaries; Azores to 34° N. 11° W.; 22" N. 5() W 

 1899 January: Canaries to Gibraltar. 



February: 32" N. ili" W. 



Juru,': 19° S. 1° W. 



Temperature: 24.i3, mean of 65 obs., max. 28.2, min. l()..i. 



Salinity: 36.22, mean of 34 obs., max. 37.37, min. 33. so. 



Plankton-type: Occurs in the Red Sea, Indian Ocean and 

 Pacific. It belongs to the tropical Atlantic. It occurs in the Sar- 

 gasso Sea (December to June), in the Caribbean Sea and the Florida 

 current, in August to 42° N., and in December between the Azores 

 and the Canaries. — 1). 



AMPpiSOLENIA THRINAX Schutt.i 



(Pflanzenleben der Hochsee pag. 271 fig. SI.) 



1898 January: 32° N. 74" W 



February: 13^—15" N. 70—71" W.; 27"— 25- N. 41°— 44" W. 

 Marcli: 14° N. 50° W.; 29"— 31° N. 45"— 42° W. 

 September: 40° N. 65° W. 

 October: 21° S. 36° W. 

 iJeeeiiiber: 30° N. IH" W. 



Temperature: 22.5, mean of 8 obs., max. 27, min. 19.4. 



Salinity: 36. n, mean of 4 obs., max. 37. si, min. 35.5i. 



Plankton-type. Found in the Pacific and Indian Ocean. It 

 rarely occurs in the tropical Atlantic, east and west, the Sargasso 

 Sea, the Caribbean Sea and the Florida current, where, in Septem- 

 ber, it reaches 40° N. — D. 



' Murray's & Whitting's data used. 



