75 



Distribution. Sweden (Ekman), British Isles (Brady), Germany (G. W. 

 Miiller), Bohemia (Vavra), Switzerland (Kaufmann), Italy (G. O. Sars), Algeria 

 (G. O. Sars). 



15. Candona lapponica, Ekman. 



(PI. XXXIV, fig. 2). 



Candona lapponica, Ekman, Ostracoden aus den nordschwedischen Hochgebirgen. Unters. 



Sarekgebirg. Vol. 4, p. 183, fig. 4. 



Specific Characters. Female. Shell, seen laterally, oblong subreniform 

 in outline, greatest height behind and scarcely attaining half the length, dorsal 

 margin somewhat arched in the middle and sloping rather steeply behind, 

 more slowly in front, ventral margin slightly sinuated, anterior extremity evenly 

 rounded, posterior obliquely deflexed, and terminating below in a narrowly 

 rounded corner; seen dorsally, elliptical in outline, with the greatest width 

 about equal to 2 /5 of the length, both extremities pointed. Surface of valves 

 smooth, glabrous, and clothed at each extremity with fine hairs. Posterior legs with 

 the penultimate joint distinctly subdivided. Caudal rami resembling in shape 

 those in C. neglecta, though somewhat less attenuated, distal claw exceeding 

 half the length of the ramus; dorsal seta rather small. Genital lobes produced 

 behind to a rather prominent triangular lappet. 



Colour opaque white, with the usual pearly lustre. 



Length of adult female scarcely exceeding 0.80 mm. 



Male unknown. 



Remarks. Though the shape of the shell, as seen laterally, does not fully 

 agree with the outline figure given by Ekman, I think I am right in identifying 

 the above-described form with that recorded by the said author, as I have not 

 found any other difference either in the size or in the structural details. It is 

 one of the smallest species of the present genus. 



Occurrence. 3 female specimens only of this form have as yet come 

 under my notice, all exactly alike and evidently fully grown, as proved by the 

 well developed ova shining through the semipellucid shell. They were found 

 in a shallow ditch, at some distance from Christiania. 



Distribution. Swedish Lapmark (Ekman). 



