268 MR, ABRAHAM ON ANTHOBRANCHIATE MOLLUSCA. [Mar. 6) 
EXPLANATION OF THE PLATES. 
[The mantle-spicules and the spines of the odontophores are as seen under a 
Smith and Beck’s 23-inch objective: the other figures, with the exception of D. 
hepatica, are of the natural size. | 
Puate XXVIII. 






























Fig. 1. Doris coriacea, dorsal aspect. 
2. , ventral aspect. 
3. —— -—, three spines of the odontophore. 
4. —— , mantle-spicules. 
5, —— inframaculata, dorsal aspect. 
6. —— , ventral aspect. 
7. —— , three spines of odontophore. 
8. —— infranevata, ventral aspect. 
9. —— tabulata, dorsal aspect. 
10. —— subtumida, dorsal aspect. 
11, — , anterior part of ventral surface. 
Prats XXVIII. 
Fig. 1. Doris mabilla, dorsal aspect. 
2. , part of ventral aspect. 
3. —— ——, three spines of odontophore. 
4. —— , mantle-spicules. 
De vestita, dorso-lateral view. 
6. —— , ventral view. 
7. stragulata, dorsal aspect. 
os , ventral aspect. 
9. —— hepatica, dorsal aspect, 4 diameter. 
10. speciosa, dorsal view. 
11. — , ventral view. 
12. —— murrea, dorsal aspect. 
13, —— , ventral aspect. 
14. —— ——,, three spines of odontophore. 
Puate XXIX. 
Fig. 1. Doris granulosa, dorsal aspect. 
2 , ventral aspect. 
3. —— , Spines of odontophore. 
4 longula, dorsal aspect. 
5. —— , ventral aspect. 
6. —— muscula, dorsal aspect. 
7. —— —, ventral aspect. 
8. —— analampulla, dorsal aspect. 
9. —— , ventral aspect. 
10. —— , branchial and anal apparatus, enlarged. 
11 cucullata, dorsal aspect. 
12. —— , ventral aspect. 
13. labifera, dorsal aspect. 
14. —— , ventral aspect. 
1b. lanuginata, dorso-lateral view. 
16. ——- ——, anterior view of ventral surface. 
17. — , mantle-spicules. 
18. —— pustulata, latero-dorsal view. 
19. —— , ventral aspect. 
20. Doridopsis mammosa, dorsal aspect. 

21. —— , anterior part of ventral aspect. 
22. —— fedata, lateral view. 
23. —— variata, dorsal aspect. 
24, —— , ventral aspect. 

