sonie Species of Leptocheirus. 311 



EXPLANATION OF THE PLATES. 



Plate XII. 



Fig. 1. Leptocheirus subsalsus, sp. n. Antennules and antennas. 



Fig. 2. „ „ First gnathopod. 



Fig. 3. „ ,, Second gnathopod. 



Fig. 4. „ ,, First perseopod. 



Fig. 5. „ ,, Last pereeopod, terminal joints. 



Fig. 6. „ „ Urosome. 



Fig. 7. Leptocheirus bispinostts, S'p. n. Secondary appendage ofantennule. 



Fig. 8. „ „ First perteopod. 



Fig. 9. „ „ Last peraeopod, terminal joints. 



Plate XIII. 



Fig. L Leptocheirus bispinosus, sp. n. First gnathopod. 



Fig. 2. „ „ Second gnathopod. 



Fig. 3. ,, „ Urosome. 



Fig. 4. Leptocheirus pinguis, Stiva^aon. Secondaryappendage ofantennule. 



Fig. 5. „ „ First gnathopod. 



Fig. 6. „ „ Second gnathopod. 



Fig. 7. „ ,, First perseopod. 



Fig. 8. „ „ Last perseopod, terminal joints. 



