PLATE Va. 
Fig. 1. Tip of one of tlie great dorsal spines of Lcetmonice producta, var. 
henthaliana, . . . . . . . x 90. 
Fig. 2. Tip of a ventral bristle from the same form, . . . x 55. 
Fig. 3. Tip of a short (developing ?) spine from the posterior third of 
Lcetmonice producta, var. willemoesii, . . . x 90. 
Fig. 4. Ventral bristle of the same species, . . . . x 55. 
Fig. 5. Tip of a dorsal spine of Lcetmonice producta, var. assimilis, . x 90. 
Fig. 6. A more extensive view of the tij) of one of the spines, so as to 
demonstrate the terminal curves, . . . . x 55. 
Fig. 7. A similar view of the organ in Lcetmonice filicornis, from Shetland. 
The contrast in the curves is evident, . . . x 55. 
Fig. 8. Tip of a ventral bristle of Lcetmonice producta, var. assimilis, . x 90. 
Fig. 9. Tip of a ventral bristle of Lcetmonice japonica, . . . x 55. 
Fig. 10. Tip of a dorsal spine of the same species, . . . . x 90. 
Fig. 11. Extremity of one of the very fine hairs forming the “felt” of 
Lcetmonice aphroditoides, . . ... . x 350. 
Fig. 12, Tip of one of the lustrous brown dorsal spines of this form, . x 55. 
Fig. 13. Ventral bristle of the same species, showing the “hairy” condition 
of the tip, . . . . . . . X 55. 
Fig. 14. Tip of one of the minute serrate bristles from the anterior feet of 
the same species, . . . . . . x 350. 
Fig. 15. Extremity of one of the stout brownish spines from the same region 
of the body, . . . . . . . x 90. 
