studies on marine Ostracods 



667 



PI. station 30, lat. 29" 52' N., long. 20" 14' W.; at the surface; 7. XI. 1901; temperature, 

 21,1" C. : 1 mature male and 7 mature females (all the females belonging to this species?); 

 R. M. S. 252. S. A. E., PI. station 34, lat. 27" 49' N., long. 20" 51' W.; at the surface; 8. XI. 

 1901; temperature, 21,4" C: 1 ma- 

 ture male (see C. curia, p. 666 above). / 



S. A. E. , PI. station 38, lat. 25" 46' N. , -==^- 



long. 21" 31' W.; at the surface; 

 9. XI. 1901; temperature, 22,5" C: 



1 mature male; R. M. S. 253. 

 8. A.E., PI. station 23 b, lat. 19" 19' 

 S., long. 36" 9' \y.; at the surface; 

 3. XII. 1901; temperature, 25,2" C: 



2 mature males (see C. curta, p. 666). 



Distribution: — ,,Die ,,V a 1- 

 d i V i a" fischte diese Art zwischen 

 dem 26" s. Br. und dem 37" s. Br. und 



auBerdem einmal unter 31" n. Br. Auch nach den G a u B - Fangen scheint die Art in einer 

 breiten aquatorialen Zone zu fehlen. Atlantischer, Indischer Ozean" (G. W. MOller, 1908, p. 70). 



The finds mentioned above seem scarcely to support this idea. Probably this species is 

 distributed aU over the central part of the Atlantic Ocean. 



Fig. CXXV'I. — • Conchoecia echinulaia (C. Glaus), cJ. — 1. Penis seen 

 from outside; 340 X. (From a specimen from station 23 b.) 



Bispinosa group G. W. MOller. 



According to G. W. MOLLER this group comprises, in additicm to the forms dealt 

 with below, three other species, namely C. striata G. W. Mt'LLER, C. atlaniica (J. LUBBOCK) 

 and C. orthotrichota G. W. MULler. To these may be added the forms included by this writer 

 as synonyms of C. bispinosa, namely C. secernenda V. VAvRA and C. MiiUeri Ch. Jlday. 



Of these species C. Haddoni, C. bispinosa and C. siriola are, as G. \V. MCi.LER has pointed 

 out, certainly very closely related to one anotlier. It is difficult to say anything certain as to the 

 systematic position of C. secernenda and C. MiiUeri (cf. pp. 674, 675 below), but at any rate 

 they are very close to the three species just mentioned. 



On the other hand C. atlaniica and C. orthotrichota are, according to G. W. MCller, 

 more isolated; it is less certain that they belong to this group. I was unfortimately unable 

 to investigate material of these species, so that it is not possible for me to give anv further 

 opinion in this question. 



