PLATE X. 
Fig. 1. 
Fig. 2. 
Fig. 3. 
Fig. 4. 
Fig. 5. 
Fig. 6. 
Fig. 7. 
Fig. 8. 
Fig. 9. 
Fig. 10. 
Fig. 11. 
Fig. 12. 
Fig. 13. 
Fig. 14. 
Fig. 15. 
Fig. 16. 
(Lysiosquilla). 
Lysiosquilla maculata. 
Lysiosquilla maculata. 
Lysiosquilla maculata. 
Lysiosquilla maculata. 
Lysiosquilla maculata. 
Raptorial claw of male ; one-half natural size (p. 45). 
Raptorial claw of female ; one-half natural size. 
Mandible. 
First maxilla. 
Second maxilla. 
Lysiosquilla maculata. First abdominal appendage of adult male ; slightly 
enlarged, e, exopodite ; A, basal joint of endopodite ; B, terminal joint 
of endopodite. 
Lysiosquilla ( Lysioerichthus ) maculata ; magnified 5 diameters. 
Lysiosquilla ( Coronis ) excavatrix, n. sp.; male, magnified 2 diameters. 
Lysiosquilla ( Coronis ) excavatrix. First maxilla. 
Lysiosquilla ( Coronis ) excavatrix. Second maxilla. 
Lysiosquilla ( Coronis ) excavatrix. Raptorial claw of male. 
Lysiosquilla ( Coronis ) excavatrix. Endopodite of first abdominal appendage 
of adult male ; greatly enlarged (reference letters as in fig. 6 ; and, in 
addition, a, outer lobe ; b, inner lobe ; c, suture ; d , retinaculum ; e, fixed 
limb ; f, movable limb of petasma). 
Lysiosquilla ( Coronis ) excavatrix. Young specimen ; enlarged 5 diameters. 
Lysiosquilla ( Coronis ) excavatrix. Side view of the carapace of the larval 
skin, inch long, from which the young specimen shown in fig. 13 
moulted. 
Lysiosquilla ( Coronis ) excavatrix. Ventral view of same. 
Lysiosquilla ( Coronis ) excavatrix. Telson and uropods of the same larva, 
? 8 y inch long, inch wide. 
