pnep. 



D 



Fig. 245. Thoracic limbs of Daphnia pulex. After Lilljeborg. A, First. 

 B, Second. C, Third. D, Fifth Hmb. ap. apical lobe of endopodite; br. 

 branchia; en. endopodite, indistinctly divided, on the 3rd and 4th limbs, into 

 three joints which are not shown; ex. exopodite ; /r. fringe of bristles which 

 strains out the food : normally this fringe stands vertical to the plane of the 

 limb (see Fig. 246, bri.), but it has been mounted flat for drawing; the part of 

 the limb upon which it stands probably corresponds to the gnathobase and 

 two succeeding endites; "gn." "gnathobase"; /)r.e/). proepipodite. 



