MOUTH-PARTS OP THE PAL.EMONID PRAWN'S. 



43 



and other ei^ipoditic structures that may be found on a single 

 segment in various Malacostraea *. It is highly probal)le that 



Text-figure 11. . 



Maxilliped of Calaniis sp. 

 For lettering see p. 71. 



Text-figure 13, 



5f4 



(bas) 



1f2 



Maxilliped of Anasjpides, after Caiman. 

 For lettering see p. 71. 



Text-figure 14. 



ecc 



Maxilla of fJaJamis sp. Maxilla of Nehalia sp. 



For lettering see p. 71. 



either branching and subsequent division, or meristic repetition 

 has taken place here. But it is not unlikely that the presence 



* See Ann. Mag. Nat. Hist. ser. 7, vol. xix. p. 462 (1907). 



