112 NOTES ON THE AUSTRALIAN AMPHIPODA, 



The following may be added to the original description. There 

 are only seven elongated narrow joints in the flagellum of the 

 superior antennte, and only three in that of the inferior pair. The 

 propodes of the secon<l pair of legs are greatly dilated transversely 

 (figs. 13-15), the palm is an oval, slightly concave area along 

 the axis of which the dactyl as lies with three teeth, two lateral and 

 one mesial, at its distal end. 



EXPLANATION OF THE PLATES. 



Plate X. 

 Fig. L — Posterior gnathopod of Talitrus sylvaticus. 

 Fig. 2. — Head and auteiinaj of Allorchestes crassicornis. 

 Fig. 3. — Anterior gnathopod of the same. 

 Fig. 4. — Posterior gnathopod of the same. 



Fig. 5. — " Pahn " of the same appendage, more highly magnified. 

 Fig. 6. — Head and antennae of Allorchestes longicornis. 

 Fig. 7- — Anterior gnathopod of the same. 

 Fig. 8. — Posterior gnathopod of the same. 

 Fig. 9. —Head and antenna? of Allorchestes riqncola. 

 Fig. 10. — Anterior gnathopod of the same. 

 Fig. 12. — " Palm " of the same appendage. 



Plate XL 



Fig. 1. — Allorchestes niger, antemife and head. 



Fig. 2. — Anterior gnathopod of the same. 



Fig. 3. — Posterior gnathopod of the same. 



Fig. 4. — Antennas of Neobule algicola. 



Fig. 5. — Anterior gnathopod of the same. 



Fig. 6. — ^Posterior gnathopod of the same. 



Fig. 7. — Stegocephalus Icitus. 



Fig. 8. — Superior antennse of the same. 



Fig. 9. — Inferior antennte of the same. 



Fig. 10. — Anterior gnathopod of the same. 



Fig. 11. — Posterior gnathopod of the same. 



Fig. 12. — Telsou of the same. 



Plate XII. 

 Fig. 1.— Distal end of anterior gnathopod of Lysianassa [Anonyx) nitens. 

 Fig. 2. — Dactylus and " palm " of the same. 

 Fig. 3. — Postei'ior gnathopod of Lysianassa australiensis. 



