INDEX. AGS. 
Cryptodromia, Stemp., 426. 
canalicuiata, Stimp., distrib., 409. 
gilesii, Ale., 427; distrib., 420; new 
to Red Sea, 407. 
granulata, Nob., 427 ; distrib., 409. 
hilgendorfi, de Man, 426; distrib., 
409, 420. 
pentagonalis (Hilg.), distrib., 409. 
Cryptoplax, Gray, mentioned, 31. 
Burrowi, Smith, 35. 
striatus, Lam., 33. 
Cryptopolyzoon, Dendy, mentioned, 238, 
241, 246, 249; oizzard of, mentioned, 
245. 
Wilsoni, Dendy, mentioned, 245, 255. 
Ctenostomata, 231-256. 
Cyanophycez, 401. 
Cyclax suborbicularis (Stemp.), 410. 
Cyclograpsus lophopus, Nod., 416. 
Cyclopora, Nich., mentioned, 149. 
Cyclostomata, 251-256 ; mentioned, 148. 
Cycloxanthops lineatus (A. M.-Edw.), 
413. 
Cydonium arabicum, Carter, 386, 393. 
Cylindrecium, Hincks, mentioned, 241, 
246, 251. 
dilatatum, Arncks, 251. 
dilatatum, Calvet, 251. 
eiganteum, Busk, 251. 
victorella, Saville Kent, mentioned, 
24). 
Cymo, de Haan, 457, 458. 
andreossy1 (Aud. § Sav.), de Haan, 
457 ; distrib., 414, 421. 
var. melanodactylus, de Haan, 
414, 457. 
melanodactylus, Stimp., 458. 
quadrilobatus, Mrers, 414. 
Cymodoce, Leach, 222; mentioned, 220. 
bicarinata, Stebbing, mentioned, 222. 
pilosa, 4. M-Edw., 222; mentioned, 
223. 
pilosa, Hansen, 222. - 
Cymodocca, Leach, 222. 
Cymodocea ciliata, Lhrenb., ,mentioned, 
10. 
nodosa, Aschers., 405; mentioned, 
80. 
Cymothoa assimilis, Fabr., mentioned, 
219. 
serrata, Fabr., mentioned, 219. 
Cymothoide, 219. 
Cyphocareinus, 4A. M.-Ldw., 438. 
minutus, 4. M.-Edw., 433; distrib., 
410, 420, fig., 474; special note, 
408. 
Cystoseira amentacea, Dory, 402. 
myrica, J. Ay., 78. 
Dactylochalina arenosa, Lendenf., 389,. 
395, 
viridis, Meller, 389, 395. 
Daldorfia, Rathbun, 434. 
horrida, Rathbun, 434. 
Daniiria simplex, Keller, 588, 395. 
Dardanus hellervi, Paulson, 261. 
Darwinella aurea, Miille, 361, 390, 396,. 
399; mentioned, 290. 
Dascyllus aruanus (Linn.), 481. 
marginatus (Riipp.), 481. 
Dedalea mauritiana, Quoy & Gainard, 
244, 
Dendrilla, Lendenf., mentioned, 360. 
Dendronephthya, Aiikenth., menticned, 
ftnote 59. 
clavata, Kiikenth., mentioned, 62. 
Dendronotus, Ald. § Hanc., mentioned, 
95. 
Dermocarpa prasina, Born., 461. 
Desmacidonidee, 289, 331, 348, 353, 389, 
396. 
Desmosomide, 224. 
Diachoris intermedia, Uincks, 137. 
Dialytinee, 210. 
Diastopora catillus, Johnson, 237. 
Diastra, Row *, 300, 386, 392 ; mentioned, 
289. 
sterrastreea, Row *, 301, 386, 393, 399 ;. 
mentioned, 289, 505. 
Diaululidee, 115. 
Dictyospheeria favulosa, Decne., 77, 402. 
Dictyodoris, Bergh, mentioned, 113. 
maculata, Lliot, 115. 
tessellata, Bergh, 11s. 
Dictyota dichotoma, J. Ay., 79. 
var. implexa, Hauck, 402. 
Digenea simplex, 4g., 403. 
Diphasia mutulata, Busk, 83; attached to. 
a Lytocarpus, 85. 
Dirhabdosa, Sollas, mentioned, 299. 
Discodermia stylifera, Keller, 390, 396. 
