INDEX 
Pleuromamma—Continued 
quadrungulata, 290 
robusta, 290 
xiphias, 290 
Pleuromma borealis, 289 
gracile, 289 
princeps, 235 
quadrungulata, 290 
robustum, 290 
xiphias, 290 
Plexechinus, 110, 111 
cinctus, 111 
hirsutus, 111 
nordenskjoldi, 111 
spectabilis, 110 
plumata, Pontella, 303 
Pontellina, 303 
plumifer, Arietellus, 168 
plumifera, Oithona, 270 
plumosa, Undeuchaeta, 348 
Undina, 348 
Podocidaris prionigera, 25 
poecilimon, Lycenchelys, 90 
poehli, Parasalenia, 49 
pohlii, Parasalenia, 49 
peers, Cirrhitichthys, 66 
omacentridae, 77 
pomacentroides, Dascyllus, 77, 78 
Pomacentrus, 78 
Serrichromis, 78 
Pomacentrus pomacentroides, 78 
Pontella, 176, 177, 185, 290, 301, 309, 
312, 314 
acuta, 241 
acutifrons, 242 
agilis, 242 
atlantica, 290 
brachiata, 185 
cerami, viii (pt. 4), 291 
chierchiae, 291 
danae, 292 
denticauda, 292 
detruncata, 244 
diagonalis, 292, 351 
elliptica, 175 
fera, 293, 301 
forficula, 303 
gracilis, 294, 351 
krgyeri, 246 
laevidentata, 246 
lobiancoi, 294, 302 
meadii, 295 
perspicax, 310 
plumata, 303 
princeps, 295 
pulvinata, 295, 351 
regalis, 310 
securifer, 297 
strenua, 312 
surrecta, 299, 351 
tenuiremis, 300 
valida, 301 
wollastoni, 250 
Pontellidae, 301 
Pontellina, 303, 312 
acuta, 241 
457 
Pontellina—Continued 
acutifrons, 242 
agilis, 242 
detruncata, 244 
lobiancoi, 294 
perspicax, 310 
plumata, 303 
regalis, 310 
strenua, 312 
Pontellopsis, 148, 303, 309, 312, 314 
albatrossi, 303, 351 
armata, 304 
bitumida, viii (pt. 4), 805, 312, 351 
brevis, 306 
digitata, 306, 351 
globosa, 307, 351 
laminata, 308, 351 
lubbockii, 310 
perspicax, 310 
regalis, 310, 314 
sinuata, 311 
strenua, 312, 314 
villosa, 314 
Pontia atlantica, 290 
nerii, 248 
Pontoptilus, 314 
abbreviatus, 274 
acutilobus, 238 
attenuatus, 239 
muticus, 314 
Pourtalesia, 94 
princeps, Calanus, 262 
Gaussia, 235, 263 
Megacalanus, 262 
Metridia, 26> 
Pleuroma, 235 
Pontella, 295 
Prionechinus, 39, 40 
forbesianus, 39 
sagittiger, 40 
prionigera, Podocidaris, 25 
Pygmaeocidaris, 25 
pristibrachium, Ipnoceps, 56, 57 (fig.) 
profundi, Salemocidaris, 24, 25 
propinqua, Amallothrix, 162 
Scolecithricella, 162 
provectus, Echinocyamus, 107 
Psammechinus rufus, 42 
Pseudanthessius, 315 
maximus, 316 
pacificus, 316, 351 
Pseudeuchaeta, 316 
brevicauda, 316 
Pseudocalanus, 316 
armatus, 159, 172, 173 
elongatus, 317 
minutus, 316 
Pseudochirella, 317 
divaricata, viii, 317 
obtusa, 317 
scopularis, 317 
Pseudomaretia, 135, 136 
alta, 135 
tylota, 135 
subg., 135 
