INDEX. 
4 
ponce, Dasyehone 209. 
pontifera, Lithadia 88. 
Pontonia 120, 121. 
domestica 122. 
grayi 122. 
mexioana 122. 
Pontoniid® 91, 120. 
I’ontonin® 120. 
porcata, Dichoccenia 303. 
Porcellana amoena 135. 
armata 133. 
guild lachii 133. 
macrocheles 138. 
ocellata 137. 
pilosa 137. 
> poeyi 136. 
sagrai 137. 
sayana 137. 
sexspinosa 133. 
sigsbeiana 137. 
soeiata 137. 
sonata 137. 
stimpsoni 137. 
Porcellanid® 131. 
poris stellatis, Corallium 31-1. 
Porites 314, 325, 331. 
agaricus 317. 
astr®oides 317. 
astreoides 291, 317. 
branneri 317. 
clavaria 314. 
collegniana 317. 
eonglomeratus 317. 
guadalupensis 317. 
incerta 317. 
michelini 317. 
porites 291, 314, 316. 
solida 317. 
subtilis 317. 
superficialis 317. 
verrilli 317. 
porites, Madrepora 314. 
Porites 291, 311. 
l’oritid® 314. 
porosa, Gorgonia 285. 
Plexaura 285. 
Tetraclita 180. 
portoricensis, Cyathoeeras 291, 293. 
Homoriscus 98. 
Spongodes 279. 
I’ortunid® 5, 44. 
Portunus cribrarius 50. 
depressifrons 44, 45. 
ordwayi 44, 46. 
ruber 51. 
seb® 44, 46. 
spinicarpus 44, 47. 
spinimanns, 44, 45. 
sulcatus 44, 45. 
ventralis 45. 
Potamonid® 5, 23. 
potimirim, Atyoida 120. 
Ortmannia 120. 
pourtalesii, Primnoa 281. 
pr®cincta, Truncatulina 116. 
pr®cox, Alpheus 109. 
pnelongus, Euceramus 138. 
pnerupta, Manicina 305. 
pnetexta, Hesione 184. 
Primary fiber 380. 
Primnoa 275. 
pourtalesii 281. 
Primnoella 275. 
Primnoid® 275. 
Primnoides 275. 
I’rim noidin® 272. 
Primnoinae 272. 
Primnoisis 274. 
princeps, Cancer SO. 
Hepatus 86. 
I’rionastrea 301, 302. 
Processa canaliculata 104. 
proctoehona, Fallacia 184. 
Hesione 184. 
procumbens, Patuloscula 393. 
Siplionochalina 393. 
profunda, Ctenophyllia 296, 297. 
proliferum, Lophophyllum 331. 
Protactini® 324,326. 
Protanthea 327. 
Protanthe® 326,327,328. 
Protanthe® gundlachi 97. 
proteus, Zoanthus 332. 
Protocaulidse 271. 
I’rotocladus 380. 
Protopalythoa variabi!is329, 338,372,373. 
Protoptilidse 271. 
Protostiehodactylin® 326. 
Protriane' 380. 
Protulides elegans 209. 
Psammogorgia 276. 
Psammolyce rigida 188. 
Pseuderichthus 154. 
communis 156. 
distinguendus 156. 
Pseudocarcinus rumphii 37. 
Pseudogorgia 270. 
Pseudoplexaura 276. 
Pseudosquilla 154. 
ciliata 151, 153,154,155. 
communis 156. 
monodactyla 156. 
oeulata 156. 
ornata 155. 
stylifera 154. 
Pseudothelphusa sinuatifrons 23. 
Psilacabaria 273. 
Pteroeidid® 271. 
Pterogorgia acerosa 287. 
bipinnata 287. 
puella, Thoe 63. 
pugilis, Strombus 145. 
pugnax rapax, Uca 6,7. 
pulchella, Amphiodia 241,248. 
Mamillifera 332. 
pulchellus, Zoanthus 329,332,372. 
Pulvinulina menardii 410. 
tumida 416. 
pumila, Ophiocoma 240, 245. 
punctata, Cancer 87. 
Cucumaria 259. 
Persephona 87. 
punctatissimus, Leiolambrus 81. 
punctieeps, Paguristes 143, 144. 
pusilla, Glyptoplax 33. 
Micropanope 33. 
pygm®a, Truncatulina 416. 
Pyrula melongena 359. 
Pytho 76. 
quadrata, Ctenophyllia 296. 
Pectina 296, 297. 
quadratus, Petrolisthes 134. 
quadridentata, Frevillea 9. 
Tetraplax 9. 
quinquedentatus, HexapanopeuS30, 31. 
quinquelineata, Eulalia 192. 
radians, Astr®a 309. 
Madrepora 309. 
Siderastr®a 291, 309, 354, 358. 
Radianthus 364. 
radiata, Orbicella 300. 
ramea, Plesiastr®a 301, 302. 
ramosum, Anthostoma 203. 
rapax, Gelasimus 7. 
Nalicora 169. 
Uca pugnax 6, 7. 
rastellifera, Euprognatha 58. 
Rhilbdus 380. 
Rhaphide 380. 
rhipidalis, Plexaura 284. 
Rhipidogorgia flabellum 287. 
Rhizochalina oleracea 395. 
Rhizoxenia 270. 
Rhodactis 364. 
sancti-thom® 326. 
rhombea, Oc.vpode 6. 
Rhynchocyclus 113. 
Ricordea 363, 364. 
florida 363. 
ricordi, Holometopus 18. 
Sesarma 18. 
rigida, Psammolyce 188. 
riisei, Amphiodia 241, 248. 
Clavulnria 278. 
Ophiocoma 240, 245. 
Ophiopsila 241, 245,' 246. 
Podochela 53, 54. 
Telesto 278. 
robusta, Opliioglypha 240, 243. 
Phenacia 205. 
Rocinela signata 171. 
rosaceus, Echinanthus 252, 254. 
ros®, Truncatulina 116. 
rostrata, Nemausa 66. 
rostratipes, Alpheus 105, 108. 
Rotalid® 416. 
rotifera, Chiridota 259. 
rotulosa, Heliastr®a 302. 
rotunda, Othonia 78. 
rousseaui, Eunicea 283. 
rubens, Chalina 392. 
Euclialinopsis 392. 
Pachyclialina 392. 
ruber, Achelous 51. 
Cronius 51. 
Mithraculus 69. 
Mithrax 65, 69. 
Portunus 51. 
rubicunda, Ophiura 210, 242. 
rubiginosa, Actinometra 235. 
rubra, Charybdella 51. 
Eunice 197. 
rufopunctata nodosa, Act®a 33. 
rugimanus, Pachycheles 136. 
Rugosa 325. 
rugosum, Platybema 113. 
rumphii. Cancer 37. 
Menippe 37. 
Pseudocarcinus 37. 
sab®, Pectinia 297. 
Sabella melaUostigma 208. 
spectabilis 208. 
Sabellid® 208. 
sabulosa, Cancer 133. 
Hypoconcha 133. 
sacculifera, Globigerina 416. 
Sagartid® 329, 352, 354, 358, 361. 
Sagartin® 354. 
Sagitta 380. 
sagittaria, Leptopodia 53. 
Sagittarius, Cancer 53. 
Stenorynchus 53. 
sagrai, Porcellana 137. 
salicornoides, Plexaura 281. 
sancti-thom®, Actinotryx 363. 
Rhodactis 326. 
Sand crab 6. 
dollars 252. 
stars 239. 
Sanidaster 380. 
sapid us acutidens, Callinectcs 17. 
Sarakka 270. 
Sarcodictyon 270. 
Sarcophytum 270. 
Sareotrogus fcetidus 406. 
satilcyi, Alpheus 109. 
var. brevicarpus, Alpheus 109. 
var. longicarpus, Alpheus 110. 
savignii, Leptochelia 166. 
savignyi, Bithynis 123, 121. 
Bracliycarpus 124. 
sayana, Pisidia 137. 
Porcellana 137. 
sayi, Paguristes 144. 
scaber, Atys 119. 
Atya 119. 
Scalopidia 9. 
Scalpellum pedunculatum 179. 
velutinum 179. 
schmidtii, Agelas 398. 
Tribrach i ui^ 385. 
schrammi, Axohelia 295. 
Scirpearella 277. 
Scirpearia 277. 
Scleractini® 292. 
Scleranthelia 270. 
Scleraxonia 272. 
Sclcre 380. 
Sclerisis 274. 
Sclerogorgid® 272, 273. 
Scleronephthya 271. 
sclopetarius, Cancer 14: 
Clibanarius 142. 
Scolymia 302. 
sculpta, Maia 71. 
Phyllocoenia 301, 302. 
sculptum, Ophiomusium 240, 244. 
sculptus, Mithrax 65, 70, 71. 
scutellata, Hippa 138. 
seutellatus, Remipes 138. 
Scyllarid® 91, 97. 
Scyllarides ®quinoctialis 97. 
Scyllarus ®quinoctialis 97. 
