PLATE XLIII. 



Sicyonia sculpta (p. 294). 

 Fig. 1 . Lateral view of female ; enlarged two and a half times. 

 „ 1". Rostrum. 

 „ lz. Telson. 



Sicyonia carinata (p. 294). 



2. Lateral view of male ; enlarged twice. 



3. Dorsal view of same ; enlarged twice. 

 3b. First antenna. 



3c'. Second antenna, base of scapliocerite ; under surface. 



3c". Second antenna, base of scaphocerite ; upper surface. 



3c'". Second antenna ; margin of scaphocerite. 



3br. Branchiae ; extremity of plumes, showing structure. 



3q. Second pleopod. 



Sicyonia lancifer (p. 297). 

 „ 4. Lateral view of female ; enlarged two and a quarter times. 

 „ 4", ?. Ventral aspect of pereion of female, showing thelycum. 

 „ 4z. Telson. 



Sicyonia Isevis (p. 298). 

 „ 5. Lateral view of female ; enlarged two and a half times. 



