117, 127, 128, 137, 175, 190, 248 

 476, 487, 589 



J 



87, 88, 123, 272 



190 



642 



261, 265, 500, 521,566,580 



1680 THE VOYAGE OF H.M.S. CHALLENGER. 



Phrosina, Risso, 1822. ?from Eb<ppoo-ivv (cheerfulness), one of the Graces, Hesiod, 



Theogonia, 900. Costa says, "the name Frosinc, assigned to this genus by Eisso, is 



derived from the Latin word Phrosine, which means cheerful, according to Voss. The 



author chose this name with a view to the beautiful violet shot with gold, which adorns 



the pearly white of this Crustacean." Phrosine does not appear as a Latin word in 



ordinarv lexicons, .......-• 



y . „ TT , „ , ( 122, 144, 183, 191, 259, 272, 349 



Phrosine, spelling of Phrosina, Risso, in Desmarest, 1825, Hopes Catalogue, «c, . i 



Phlisica, Slabber, 1769, ........•• 



Pisitoe, Ralinesque, 1814, .......■■ 



Pisitooe, misspelling of Pisitoe, Rafinesque, ....... 



Platamon, Stebbing, 1888, ......... 



Platophium, Dana, 1852. No doubt from irXaris, broad, in allusion to the dorsal breadth 1 257 



of the peraeon at the centre, the termination ophium pointing to the connection between fggj H84 



this genus and Corophium, Latreille, ...... 



Platycyamus, Liitken, 1870. irXaris, broad, Cyanvus, another genus, . . • 282, 397, 402, 419, 1226 



Platyischnopus, Stebbing, 1888, ......-•••• 830 



, . . ... f327, 337, 470 476 490, 1269 



Platyscelus, Spence Bate, 1861. " -rrXarvs, broadly dilated ; <rnt\os, leg, . . 1 



Pleonexes, Spence Bate, 1856-7. ?7r\eope'(CT?js, one who is grasping. " Posterior pereiopoda "1 _ 294, 5S0. 582 



prehensile." ( = Sunamphithoe, Spence Bate), ....'•■' 



Pleustes, Spence Bate, 1858. w\<;v<rTtic6s, fit for sailing, ..... 179,308,395,569581870 



Plexaura, Rafinesque, 1815. ? from ir\^|is, a stroke, ovpa, tail, ....■•• 88 



Podalirius, Krjiyer, 1845. iJoSaAelpios, a son of yEsculapius ; a name derived from irovs, \ 



a foot, and \tip6s, thin, and therefore very applicable to this genus. Kr0yer says " the I 210 256 397 535 537 



name refers to the rudimentary condition of the legs of the fifth segment (Aeipor, 



gracilis)." (See Pariambus), ....... 



Podoceropsis, A. Boeck, 1870. " Podoceros, 6<pts, appearance," ..... 322, 324, 396, 1108 



Podoceros, Goes, 1865. A variation in the spelling of Podoccrus, Leach, to suit the derivation, . . 358, 390, 580 



(86, 90, 123, 148, 170, 176, 184 

 189, 192, 219,228,257,261, 283 

 296, 298, 307, 312, 328, 375, 396 

 570, 580, 1129 

 Podura, Linnaeus, 1740. irois, afoot, oupd, a tail. (Used by Poda, 1761, in describing 1 _ 2 



what is probably an Orchestia), ....... •" 



Polychcria, Haswell, 1880. 5roAvx c 'P' a > a multitude of hands. " Pereiopoda all prehensile." \ 4 gj 513 514 5gj 533 



{ = Tritxta, Boeck), ......... ^ 



Pontiporeia, misspelling of Pontoporeia, Kr0yer, ......... 258 



Pontocrates, A. Boeck, 1870. "-tt^tof, sea, Kpareo., I rule," .... 294,307,395.400,572,581 



Pontogeneia, A. Boeck, 1870. " irovroytveia, sprung from the sea," ..... 395,401,581 



Pontogcnia, misspelling of Pontogcncia, Boeck, .......... 546 



Pontopareia, misspelling of Pontoporeia, Kr0yer, ......■••• 301 



Pontoporeia, Kr0yer, 1842. " IWi-oirdpeia (pontivaga), Nomen Nereidis Apud Hesiodumf 198, 228, 384, 393, 580, 582 



(Theogon. vers. 256)." ........ t 1644 



Pontoporeja, misspelling of Pontoporeia, Kr0yer, .......... 296 



Pontoporia, misspelling of Pontoporeia, Kr0yer, ........ ■ 408 



Praniza, Leach, MS. Not distinct from Anccus, which is generally considered an Isopod genus, .... 192 



Primno, Guerin, 1836. "Prim.no, nymphe, fille de l'Ocean," in Greek Tlpvuvii, see, jg^ ^^ jg^ lg g 232 259 487 



Hesiod, Theogonia, 350. Rafinesque's genus Primno, among the Oniscia, 1815, was left Ljgg mQ 



undeseribed, ......... J 



Prinassus, Hansen, 1887. " Vlpivaaais, name of a Greek town," ....... 1644 



Priscilla, A. Boeck, 1870. " TlpiaKiWa, a Greek woman's name." It is, however, very-v 



clearly not a Greek but a Latin name, diminutive of prisca, old-fashioned. Preoccupied. J- 322, 393, 399, 580, 582, 1644 



(See Priscillina), . .......■' 



Priscillina, 1888. (In exchange for Priscilla, Boeck, preoccupied.) 



Probolium, A. Costa, 1857. "From the Greek word -npo&Kiov, loricula, a little cuirass."/ 274, 293, 296, 297,322,380,460 



(.= Stenothoe, Dana), ........ 1560,581 



1 165 175 184 190 23° 236 9 41 

 Pronoe, Guerin, 1836. " Pronoe, nymphe, fille de Neree. " Hesiod, Theogonia, 261, | ' ' ' ' ' _ 



Prosoponiscus, Kirkby, 1857. "From -np6auTrov, a face or mask, and oviVkos, 1 jqq 472 521 



oniscus." A synonym of Palxocrangon, Schauroth, .... J 



