970 



CLEVE, SOME ATLANTIC TINTINNODEA. 



% 



Habitat: Caribbean Sea. A t 41° N 65 — 

 57° W. and 36° N. 14° W. — Red Sea and 

 Indian Ocean (Dr, E. Nyman). 



Temperature: 17,5 to 26,1. 



Salinity: 34,33 to 36,54. 



Plankton-type : desmo- or styli-planton. 



This species is related to C. ortJioceras 

 Hkl. (or Codonella annulata V. Daday, non 

 Clap. &. Lachm), from which it is distin- 

 guished by tlie rounded apical end. 



Fig. 450 tinies magnified. 



Codonella puslUa n. sp. 



House clavate, its apical part longer than the proboscis, 

 more or less globular, with coarse rounded pores, some of which 

 are hexagonally framed. Proboscis cylindrical or somewhat nar- 

 rowed towards the raouth, with some few transverse rings. 



Length: 0,048 mm., of the apical part: 0,033 of the pro- 

 boscis: 0,015 mm. Breadth: 0,033 mm. Diameter of the mouth 

 0,015 mm. 



Habitat: above the Newfoundland Banks, Octo- 

 ber 1898 to January 1899. Froin 51° N. 20° W. 

 to 50° N. 31° W. (November 1898). At 46° N. 

 13° W. (April 1899); on the whole, rare. Styli- 

 2:)la7iktonf . 



Temperature: 9 to 14 (exceptionally 5). 

 Salinity: 35 to 35,75 in the eastern, 32 to 33,88 in the 

 Western Atlantic. 



This small species resembles somewhat Dictyocysta tnillepora 

 Entz., from which it difFers by the annulated proboscis. 

 Fig. 450 times magnified. 



Cyttarocylis Amor n. sp. 



House conical, twice as long as broad, with acute, not 

 prolonged apical end, with numerous (about 20) longitudinal, 



