718 TABLE ALPHABÉTIQUE 
Ordres, Familles, Genres. Espèces. Pages. 
POLYCELIS. G 651 
P. nigra 651 
viganensis 651 
POLYCHÆTA. O vi,x,473 
POLYCLADIDÆ. F 647 
POLYCLADIDEA. S.-0 645,648,651 
Polycladus. g 635,645,648,650 
POLYGORDIDES. S.-0 538 
POLYGORDIUS. G 458 
Polyophthalmus pictus.. . 367 
Polyphemus occidentalis. . 636 
POLYSTEMMA. G 600 
P. adriaticum 600 
Pontobdella. G 480,481,484,485,486,489,491,493,494, 
497, 523, 524, 530, 531 , 532, 533, 534 
P. afra 531 
areolata 531 
depressa 531 
indica 495,531 
lœvis 531 
livida 532 
leucothela 531 
macrothela 531 
muricata 495,531,532 
oligothela 532 
papillata 531 
planodiscus 531 
prionodiscus 531 
Raynerii 531 
rectangulata 532,533 
variegata 531 
verrucata 531 
PONTOBDELLINÆ. S.-F 522,524,527 
Priacanthus macrophthalmus. 533 
Pristina, g 342,344,345,347,350,351,352,358,385 
P. flagellum 359, 380, 384 
inæqualis. . . . 358,359,360,362 
longiscta. . . . 358, 359, 362, 367 
Pristinais. g 345,358 
P. inæqualis 345,360 
longiseta 345, 359 
PROBOSCIDÆ. F 624,641,643 
