64 



EXPLANATION OF PLATES. 



Plate i. 



Palinurus Gilchristi, n. sp. 



Dorsal view of a specimen, natural size, with detached 

 flaeellum of second antenna at the side. 



Plate 2. 

 Callianassa Kraussi, n. sp, 



n.s. Dorsal view of a specimen, natural size. The parts 

 are figured from a rather smaller specimen ; all to the same 

 degree of magnification, except the still more enlarged border 

 of the mandible and setae of the pleopod. 



a.s. First antenna, a.i. Second antenna, showing only 

 the first few joints of the flagellum. With these are shown 

 the eyes and frontal margin. 



mdb. Mandible. 



mx. 2. Second maxilla. 



mxp. 3. Third or outer maxilliped, with a portion of a 

 branchia attached. 



pip. 4. Extremity of outer ramus of fourth pleopod. 



urp. The uropod on one side of the caudal fan. 



T. The telson. 



Plate 3. 



prp. 1-5. The trunk-limbs, without the branchiae, much less 

 highly magnified than the figures on the preceding |plate, 

 except the separate terminal portions of prp. 3-5. The lower 

 prp. I. is the left cheliped, the upper is the large i,right 

 cheliped. The apex of prp. 5 is more enlarged than the 

 other figures. 



Plate 4. 

 Sphyrion laevigatum, Guerin-Meneville. 



