8 



PEOCEEDINGS OP THE NATIONAL MUSEUM 



TOL. 71 



bases of the marginal setae of the inner expansion. There is'one dif- 

 ference which seems to be definite. In M. laurentica the inner bor- 

 der of the distal segment of the appendage is chitinously thickened 

 and quite smooth (fig. 16). In M. schmeili this border is ciliated. 



Figs. 17-18.— Moraria laurentica. 



17, Inner branch of 3Econd foot op male. 

 OF another male 



18, Second foot 



Male. — The male has a length of 0.42 mm. The inner branch of 

 the second foot is modified in the following manner. On the proxi- 

 mal joint there is an se and an si nearly opposite to each other and, 



Figs. 19-20.— Moraria laurentica. 10, Inner branch of third foot of male. 20, Fourth foot 



OF male 



in addition, another se in the form of a strong spine at the distal angle 

 (fig. 17). The distal, porrect, ectal spine is refringent and outshines 

 the small distal joint, but in a camera drawing of the whole foot it 

 is partly hidden by the distal joint (fig.18). 



