34 Crust. 
X. CRUSTACEA. 
P. holotrichus, Flamingo Is., p. 14, ortmanni , St Helen’s Bay, p. 16; 
Hobili, Boll. Mus. Torino xvi, Ho. 415 : n. spp. 
Phoberus, g. def., p. 155, ccecus descr., p. 156; Alcock, Indian Deep-Sea 
Macrura. 
t Phrynolambrus corallinus ; Lorexthey, Math. term. Kozlem Magyar Ak. 
xxvii, Szam. 5, p. 14, pi. ii, figg. 4«-6. 
t Phylctenodes steinmanni ; Lorenthey, t. c., p. 15, pi. i, fig. 4, n. sp. 
Picroceroides , g. and tubularis diagnosed; Rath bun, Bull. U. S. Fish 
Comm. 1900, ii, p. 76. 
Pilumnus , g. def., key to and diagnoses of Porto Rican spp., p. 38, 
nudimanus, p. 39, marshi , p. 41, Porto Rico; Rathbun, t. c. 
P. meridionalis , Mar del Plata, descr.; Hobili, Boll. Mus. Torino xvi, 
Ho. 402, p. 8, n. sp. 
Pitho , g. def., p. 76, acideata, anisodon , p. 77, iherminieri , mirabilis , p. 78, 
diagnosed; Rathbun, Bull. U. S. Fish Comm. 1900, ii. 
Pinnixa , g. def. minuta , Porto Rico; Rathbun, t. c., p. 21, n. sp. 
Pinnotheres pugettensis, Puget Sound; Holmes, P. Calif. Ac. vii, p. 86. 
P. schauinslandi , French Pass H. Z.; Lexz, Zool. Jahrb. Syst. xiv, 
p. 468, pi. xxxii, figg. 15-18. P. silvestni, San Vincente, Chili; 
Hobili, Boll. Mus. Torino xvi, Ho. 402, p. 21. P. g. def., ostrea r rius , 
Porto Rico; Rathbun, Bull. U. S. Fish Comm. 1900, ii, p. 20 : n. spp. 
P. novce-zelandice , notes; Lenz, Zool. Jahrb. Syst. xiv, p. 467, pi. xxxii, 
figg. 11-14. 
Plagusia, g. def. and depressa diagnosed; Rathbun, Bull. U. S. Fish 
Comm. 1900, ii, p. 19. 
Plastocrangon , n. subg. of Glyphocrangon def. for ccecescens , p. 133, cceca, 
p. 135, and cerea, p. 136; Alcock, Indian Deep-Sea Macrura. 
Platybema , g. and rugosum diagnosed; Rathbun, Bull. U. S. Fish Comm. 
1900, ii, p. 113. 
Platylambrus , g. and serratus diagnosed; Rathbun, t. c., pp. 79 & 80. 
Platypodia , g. def. and spectabilis diagnosed; Rathbun, t. c., p. 26. 
Podochela, g\, macrodera , and riisei diagnosed; Rathbun, t. c., pp. 53 
& 54. 
Polycheles , g. def., p. 166, phosphorus , p. 168, andamensis , p. 169, ceratus , 
sculptus , p. 170; Alcock, Indian Deep-Sea Macrura. 
Pontonia ascidicola descr.; Borradaile, in Willey’s Zool. Res., Pt. iv, 
p. 409, figg. 6 a & b. 
P., g. and qrayi, San Juan, diagnosed; Rathbun, Bull. U. S. Fish Comm. 
1900, ii, p. 122, n. sp. 
Pontophilus , g. def., gracilis , p. 115, abyssi, p. 116; Alcock, Indian Deep- 
Sea Macrura. 
Porcellanides, n. g. of Galatheidce, for festce, Ecuador; Hobili, Boll. Mus. 
Torino xvi, Ho. 415, p. 21, n. sp. 
Portunus, g., subgg., and Porto Rican spp. diagnosed; Rathbun, Bull. 
U. S. Fish Comm. 1900, ii, pp. 44-47. 
Potamon ( Potamonautes) hilgendorfi , descriptive notes and measurements, 
p. 101, cristatum , descriptive notes and measurement; de Man, 
P. Z. S. 1901 (i). 
P. ( Potamonautes ) floweri , Bahr-el-Gebel, in freshwater, described and 
compared with allied spp.; de Man, t. c., p. 94, pi. x. P. kuchin- 
gense , Kuching, Borneo, £, descr.; Hobili, Boll. Mus. Torino xvi, 
Ho. 397, p. 5 : n. spp. 
Prio7iocrangon, g. def., ommatosteres descr.; Alcock, Indian Deep-Sea 
Macrura, p. 123. 
Processa canaliculata diagnosed; Rathbun, Bull. U. S. Fish Comm. 
1900, ii, p. 104. 
Psalidopus , g. def., p. Ill, liuxleyi , p. 112, spiniventris , p. 113, descr.; 
Alcock, Indian Deep-Sea Macrura. 
