MADREPORARIA OF THE DEEP SEA. 
Fig. 13. Corallum, nat. size, of Caryophyllia vermiformis. 
Fig. 14. Corallum, magnified, 4 
Fig. 15. Coste, magnified, 
Fig. 16. Calice, magnified, As 
PLATE XLI. 
Fig. 1. Corallum, nat. size, of Sphenotrochus intermedius. 
Fig. 2. Corallum, magnified, = 
Fig. 3. Corallum, magnified, variety Ps 
Fig. 4. Corallum, nat. size, variety - 
Fig. 5. Calice, magnified, - 
Fig. 6. Upper view of corallum of Sabinotrochus apertus. 
Fig. 7. Side view of corallum 55 
Fig. 8. Calice, magnified, % 
Fig. 9. Base, magnified, Pa 
Fig. 10. 
Fig. 11 
Se Views of Desmophyllum crista-galli 
Fig. 13 , ; 
Fig. 14. 
Fig. 15. 
Fig. 16. Section of the peduncle of a small specimen, magnified. 
PLATE XLII. 
Fig. 1. Lophohelia prolifera, var. gracilis. 
Fig. 2. Calices, magnified. 
Fig. 3. Coste, magnified, of Caryophyllia pourtalest. 
Fig. 4. Corallum (young), nat. size, of 
Fig. 5. Same, magnified, 55 
Fig. 6. Calice, magnified, = 
Fig. 7. Very young calice, magnified, _,, 
Fig. 8. Corallum, nat. size, i, 
Fig. 9. Coste, magnified, x 
Fig. 10. Calice, magnified, 
Fig. 11. Portion of corallum of Sotehowtasten variabilis. 
Fig. 12. Calice, magnified, A 
Fig. 13. Costal ends, magnified, 55 
Fig. 14. Calice, magnified, 
Fig. 15. Corallum 4 
Fig. 16. Coste, magnified, in 
