PLATE XL 
Lysioerichthus. 
Fig. 1. Lysiosquilla ( Coronis ) excavatrix. Ventral view of a young Erichthus larva 
{Erichthus multispinous, Claus). 
Fig. 2. Lysiosquilla ( Coronis ) excavatrix. Side view of same larva. 
Fig. 3. Lysiosquilla ( Coronis ) excavatrix. Side view of older larva. 
Fig, 4. Lysiosquilla maculata. Ventral view of Squillerichthus larva. 
Fig. 5. Lysiosquilla maculata. Marginal spinules of telson. 
Fig. 6. Lysiosquilla ( Lysioerichthus ) triangularis, from Rio Janeiro. 
Fig. 7. Telson and uropods of same. 
Fig. 8. Raptorial claw of same. 
Fig. 9. Seventh thoracic appendage of same. 
Fig. 10. Lysiosquilla ( Lysioerichthus ), ^ of an inch long, collected between Papua and 
Japan. 
Fig. 11. Telson and uropods of same. 
Fig. 12. Side view of carapace of same. 
Fig. 13. Raptorial claw of same. 
Fig. 14. Lysioserichthus (?), from Kandavu Island, Fiji. 
