922 



P. T. CLEVE, S. ATLANTIC PLANKTON. 



Cyttarocylis striata Cl. N. Sp. This form is nearly akin to 

 C. amo7' Cl., but has rauch closer Striae and is more thin-walled. 

 It occurred in two different forms, viz: 



a elo7igata. House about 372 times longer than it is broad, 

 conical, with acute end and slightly widened mouth. The wall 

 is longitudinally striate, with almost straight close striag, about 5 



Fig. 3. ö. forma elongata. b. f. curia. 500 t. m. 



in 0,01 m.ra. Length 0,14; diameter 0,04 m.m. — Fig. o a. 

 It was met with in samples frora 41° — 42° S. 6° — '6° W. and 

 from 43° S. 57" E. to 40° S. 82° E. 



ß curia. House about 1 Vo times louger than broad. Length 

 0,048, breadth 0,03 m.m. — Fig. 3 h. This form was seen in 

 samples from 41° S. 6° W., 45° S. 29° E.; 43° S. 57—71° E. 

 and 41° S. 76° E. 



Dictyocjsta elegans Ehe. Rare at 39° S. 10 W. and 44° S. 

 4° E. In all respects similar to specimens from the northern 

 hemisphere. 



D. mitra (Hkl) V. Dad. (Mitth. d. zool. st. Neapel VI 

 1886 p. 497 Fl. XXV f. 16). In almost all samples from 38° S. 

 20° W. to 41° S. 6° W. and from 43° S. 57° E. to 41° S. 80° E. 



