THE EVIDENCE OF THE AUDITORY APPARATUS 38 1 



when we see (as Patten and Redenbaugh have pointed out) to what 

 part of the appendage the fiahellum in reality belongs. 



Patten and Redenbaugh, in their description of the prosomatic 

 appendages of Limulus, describe the segments of the limbs as (1) the 



f] 



> > ent 



Fig. 155.— A, The Digging Appendage on Ectognath of Limulus; B, The 

 Middle Protuberance (2) op the Entocoxite opened, to show the 

 Generative and Hepatic Tissue (gen.) within it ; C, One of the Proso- 

 matic Locomotor Appendages or Endognaths of Limulus, for comparison 

 with A. 



ft., flabellum; coa;., coxopodite ; ent., entocoxite ; m., mandible ; i.m., inner mandible 



or epicoxite. 



dactylopodite, (2) the propodite, (3) the mero- and carpo-podites, 

 (4) the ischiopo'dite, (5) the basipodite, and (6) the coxopodite (cox. 

 in Fig. 155). Still more basal than the coxopodite is situated the 

 entocoxite (ent. in Fig. 155), which is composed of three sclerites 



