130 BUREAU OF ANIMAL INDUSTRY. 



Physoceplialus Diesing, 1861a, 619, 686-687. P. sexalata (Molin, 1859) Diesing, 1861a, 

 686-687, only species, hence type. 



[Not Physocephala Schin., 1861, dipteron.] 



Piguris Schlotthauber, 1860, 126. P. reticulata, only species, hence type. 

 pinguicola Verrill, 1870, 248-249, figs. 83, a-d. 



1870: Sderostoma. [1839: See Stephanurus dentatus (type).] 



pinnatifidus Diesing, 1839a, 227-229, pi. 14, figs. 21-27. Ancymcanthus pectinatus 

 renamed. 



1839: Ancyracanthus (type). 

 plagiostoma Wedl, 1861, 464-466, pi. 1, figs. 5-11. 



1861: Pf.erygodermatites (type). 1873: Rictularia. [?]: Ophiostoma. 

 platessse Rudolphi, 1809a, 116-117. 



1809: Oacullanus. [1845: Dacnitis esuriens (? type) sub.] 

 Platycoma Cobb, 1894c, Apr. 13, 399-401. P. cephalata Cobb, 1894c, 399-401, figs. 



7, i-iv, only species, hence type. 

 Plectoides de Man, 1904, 44-46. Type probably Piectvs patagonicus. Subgenus of 



Plectus (Plectoides) patagonicus de Man, 1904, 41-44, figs. 1-6. 



Pledus (Plectoides) antarcticus de Man, 1904, 44. (Only one specimen, a 



female. ) 

 Plectus Bastian, 1865c, 93, 118-121. Type species P. parietlnus, designated by Bas- 



tian in letter to Stiles, dated March 22, 1904. 

 [Not Plectus, for Plectris Lepell., Serville, 1825, coleopteron.] See Scudder, 



1884, 269. 



parietinus Bastian, 1865c, 118-119, pi. 10, figs. 79-80. 9 

 cirratus Bastian, 1865c, 119, pi. 10, figs. 81-82. 9 

 tennis Bastian, 1865c, 119, pi. 10, figs. 83-84. 9 

 relox Bastian, 1865c, 119, pi. 10, figs. 85-86. 9 

 acuminatus Bastian, 1865c, 120, pi. 10, figs. 87-88. 9 

 parirw Bastian, 1865c, 120, pi. 10, figs. 89-90. 9 

 tritici Bastian, 1865c, 120, pi. 10, figs. 91-92. 9 

 granulosus Bastian, 1865c, 120-121, pi. 10, figs. 93-94. 9 

 fusiformis Bastian, 1865c, 121, pi. 10, figs. 95-96. 9 



rivalis (Dujardin, 1845) Bastian, 1865c, 121, as doubtful member of this genus. 

 plcskei Camerano, 1896d, 118-119. 



1896: Gordhis. 1897: Parachordodes. 

 Pleurorhynchus Rudolphi, 1801, 58. For Pleurorinchus. 

 Pleurorinchus Nau, 1787, 471-474, pi. 7. No specific name used. Type " Ophiostoma 



sphacrocephalus." See de Blainville, 1828a, 540. 

 1801: Pleurorhynchus Rudolphi, 1801, 58. For Pleurorinchus. 

 [Not Pleurorhynchus Phill., 1836, mollusk.] See Ascaris sphserocephala Rudol- 

 phi, 1809a, 188-189. 

 plica Rudolphi, 181 9a, 14, 222. 



1819: Trichosoma. 1845: Calodium. 

 poli/cephalus Stiebel, 1817, 174-179, pi. 3, figs. 2-5. 



1817: Dyacanthos (type). 

 Polydelphis Dujardin, 1845a, 151, 221-222. Ascaris anoura Dujardin, 1845a, 221-222, 



only species, hence type. A subgenus of Ascaris. 

 J'olygordius Schneider, 1868, Feb., 51-60. Type apparently "P. lacteus." 



"Rhamphogordius lacteus Rathke" of Schneider, 1866, 326, misdetermined; 

 = "Polygordius lacteus," 1868, 52-56. Apparently type; description much 

 more complete. 



lihamphogordius purpureus Schneider, 1866, 326; Polygordius purpureus, 1868, 

 56-57. Only few specimens, hence description incomplete. 



