24 Crust . 
X. CRUSTACEA. 
P. burgeri , p. 260, dasypuSy p. 261, versicolor , p. 262, homarus , p. 263, 
reams , paessleri (n. n.), p. 265, polyphagus, p. 266; Pfeffer, Mt. Mus. 
Hamburg, xiv. 
/\ argils, Jamaica, p. 44; Rathbun, Ann. Inst. Jamaica, i. 
Pandalus anmdicornis, p. 419, borealisy p. 420; Bihula, Annuairo Mus. 
St. Petersb. 1897. 
Pamdirus interruptatuSy discussed, p. 261, argus } synonymy, p. 262, dasypus t 
described, p. 262, polyphagusy described and relations discussed, pp. 263 
& 266, biirgeriy gut tat us, p. 268; Oiitmann, Zool. Jahrb. Syst. x. 
Pairibacus antarcticuSy Jamaica, p. 43; Rathbun, Ann. Inst. Jamaica, i. 
Penceus setiferus, p. 45, brasiliensisy p. 46, Jamaica; Rathbun, t. c. 
Persephona punctatay Jamaica, p. 38; Rathbun, t. c. 
Petrochirusbahamensisy Jamaica, p. 42; Rathbun, t. c. 
Petrolisthes decacanthuSy Tahiti, p. 285, pi. xvii, fig. 2, ihenngi, Brazil, 
p. 286, Ortmann, Zool. Jahrb. Syst. x, n. spp. 
PetrolistheSy key to subgroup of the genus, p. 275, violaceus, key to species 
of group, and description of species itself, p. 277, IcevigatuSy cinctipesy 
p. 278, angulosits, punctatuSy p. 279, armatuSy p. 280; key to species 
grouped round P. galathinus, p. 282, galatkinus , p. 283, edwardsiy 
bosciy p. 285; key to species grouped round P. tomentosusy p. 287, 
penicillatuSy trivirgatusy tomentosus , coccineuSy carinipesy p. 288, militarisy 
scabriculusy p. 289; key to species grouped round P. tubercidatus, 
p. 289, tuberculatuSy aJfiniSy p. 290; Ortmann, t. c. P. armatuSy 
sexspinosusy p. 40, near sexspinosus, p. 41, Jamaica; Rathbun, Ann. 
Inst. Jamaica, i. P. galatkinuSy Colon, nomenclature, p. 4; Nobili, 
Boll. Mus. Torino, xii, No. 280. 
Philyra marginata , p. 114, fig. 8; Man, Mt. Mus. Hamburg, xiii. 
Pilumnus prunosus, Funafuti, p. 133, pi. vi, figg. la & b , Whitlegge, 
Mem. Austral. Mus. iii, n. sp. 
P. peroniiy p. 85, fig. 3; Man, Mt. Mus. Hamburg, xiii. P. sayi } n. n., 
p. 15, caribceuSy dasypodusy JloridanuSy pannosiis , p. 16, reticulatus, 
p. 18; Rathbun, Ann. Inst. Jamaica, i. P. vestitus, Funafuti, de- 
scribed, p. 132; Whitlegge, Mem. Austral. Mus. iii. 
Pinnixa transversalis, p. 329; Ortmann, Zool. Jahrb. Syst. x. 
Pinnotheres niacidatuSy Jamaica, p. 36; Rathbun, Ann. Inst. Jamaica, i. 
Pitho aculeata, p. 7, Iherminicriy anisodon, p. 8, quadridentatUy p. 9, 
Jamaica; Rathbun, t. c. 
f Plagioloplius vancouvercnsisy Cretaceous, Vancouver I., p. 227, Wood 
ward, Quart. J. Geol. Soc. Iii, n. sp. 
Plagusia depressa , Jamaica, p. 35; Rathbun, Ann. Inst. Jamaica, i. 
Planes minutus, Jamaica, p. 29 ; Rathbun, t. c. 
Platyambrus serratus , Jamaica, p. 12; Rathbun, t. c. 
Platychirograpsus, n. g., defined, p. 95, for spectabilisy p. 97, fig. 5; Man, 
Mt. Mus. Hamburg, xiii. 
Platypodia spectabilisy Jamaica, p. 13; Rathbun, Ann. Inst. Jamica, i. 
Podochela riisei, Jamaica, p. 4; Rathbun, t. c. 
Porcellana sollasi, Funafuti, p. 144, pi. vii, fig. 3a, Whitlegge, Mem. 
Austral. Mus. iii, n. sp. 
P. sayanUy Jamaica, p. 40; Rathbun, Ann. Inst. Jamaica, i. 
Portumnus nasutus , systematic features, habits, and respiratory pheno- 
mena, p. 402; Garstang, J. Mar. Biol. Ass. iv. 
Portunus sayiy Jamaica, p. 22; Rathbun, Ann. Inst. Jamaica, i. 
Potamocarcmincey n. n. for subfam. Pseudothelphusince of Potamonidce ; 
Ortmann, Zool. Jahrb. Syst. x. 
Potamocarcinus cequatorialis } Ecuador, p. 319, pi. xvii, fig. 6, rejlexifronsy 
Upper Amazon, p. 321, pi. xvii, fig. 6, Ortmann, t. a. n. spp. 
PotamocarcinuSy genus and key to species, p. 316, sinuatifronsy dentatus, 
p. 318; Ortmann, t. c. 
