418 INDEX. 
Verongia, 332. Zoanthus Danze, 287, 289. 
Verongula aurea, cellulosa, gigantea, flos-marinus, 287, 290. 
pretexta, rigida, 382. dubius, 291, 292, 298. 
Verrill, A. Hyatt, 257, 260, 305, 344. nobilis, 291. 
Verrucella grandis, 316. nymphea, 295. 
parasiticus, 295. 
Weinland, Dr., 260. proteus, 287, 288, 290, 295. 
| pulchellus, 287, 289, 291, 298. 
Xiphigorgia americana, citrina, 300. sociatus, 288, 289, 290, 291. 
Solandri, 289, 290, 292. 
Zoanthacea, 249, 280. tuberculatus, 293. 
undetermined species of, 295. | Zooxanthelle, 206, 210, 213, 236. 
ERRATA. 
Page 64 [20], line 4, from bottom, for xxiii, read xxii. 
Page 65 [21], line 21, for lime, read limestone. 
Page 71 [27], line 3 from bottom, for zonuta, read zonatus. 
Page 77 [33], line 23, for adustus, read exustus. 
——— [33], line 24, for Polytremacis, read Polytrema. 
Page 150 [106], line 4, for Lithophaga, read Lithophagus. 
line 5, for nigra, read niger. 
line 7, for appendiculata, read appendiculatus and 
for bisuleata, read bisudcatus. 
Page 216, line 9; 219, line 17; 233, line 9; 235, line 145 
241, line 18; 244, line 21, for 1902 read 1901. 
Plates xxxrv D and xxxIv E were erroneously numbered. 
