MOUTH-PARTS OF THE PAL/EMONID PRAWNS. 



Text-figure 4. Text-figure 5. 



41 



Thoracic limb of Chiro- First thoracic limb of Limnadia 



cephalus sp. lenticularis, after Sars. 



For lettering see p. 71. 



Text-figure 6. Text-figure 7. 



Anterior pygidial limb of One of the anterior 



Triarthrus becJci, drawn thoracic limbs of the 



from a model by Beecher. same. 



For lettering see p. 71. 



