242 CEUSTACEA ISOPODA OP THE ' POECUPINE ' EXPEDITION. 



PLATE XXIV. 



A. 



Gnathia cristatipes. 

 U.S. Line indicating natural size of specimen figured below in dorsal aspect. 

 V. Ventral view of the same specimen, omitting antennae, second, third, 

 and fourth peraeopods, and the pleon. 

 a.s., a.L, a.i.fi. First and second antennse, with higher magnification of the flagellum 

 of the second antennaj. 

 m., m., mxp. Both mandibles and one maxilliped with higher magnification of the 



produced plate. 

 gn. 1, gn. 2. First and second gnathopods. 



prp. 2. Second perseopod, with dilated end of third joint more highly magnified. 

 pi]). \,]}lp. 2. First and second pleopods. 



T., urp. Telsonic segment and uropods. 

 All the separate appendages are magnified to a uniform scale, with the specified 

 higher magnification of certain portions also uniform. 



B. 



Gnathia schistifrons. 



n.s. Line indicating natural size of specimen figured below in dorsal aspect. 

 oc. Eye, in flattened view. 

 a.s., a.i. First and second antennse. 

 m., m., mxj). The mandibles and one of the maxillipeds, with another oral element 



in attachment. 

 gti. 1, gn. 2. First and second gnathopods. 

 pi'ps. 1, 2, 3, 4. First, second, third, and fourth peraeopods. 

 ])lp). 5. Fifth pleopod. 

 urj). Uropod. 

 T. Telsonic segment. 



All the separate appendages are magnified to a uniform scale, but this is higher 

 than that used for the appendages in Plate A, the smaller specimen requiring higher 

 magnification. 



