357 
PSILOSTOMUM— Continued. 
hrevicoUe (Crep., 1829) Braun, 1902b, 12-14, fig. 9 (s>tis.; Dist. brevicolle Crep., 
1829, 24; Buj., 1845a, 445; Mueller, 1897, 19; b. (Dicrocoeliuml brevicolle 
Stoss., 1892, 35). 
oxyurum (Crep., 1825) Braun, 1902b, 14, fig. 10. 
platyurum (Mueh., 1896) Looss, 1899b, 574. 
redactum Xicoll, 1906, 515, 525-527, pi. 13, figs. 9-10 (in Gasterosteus aculeatus; 
Scotland); 1907, 70, 73 (spi. of Podocotyle atomon). 
siniillimum (Mueh., 1898) Looss, 1899b, 574. 
spiculigerum (Mueh., 1898) Looss, 1899b, 574.^ — Braun, 1902b, 15, 16, 155. 
PTACUXELLA Massa, 1906, 58, for Placunella. 
PTEROCOTYLE Ben. & Hesse, 1863, 1864, 96, 106 (palmatum=inhserens, t^'pe by 
inclusion; also t^'pe because it is only species figured). — Braun, 1890a, 477, 
498, 516, 517, 522, 546. — Cerf., 1895h, 918, 920; 1896, 514, 515, 516.— Mont., 
1888a, 7, 11, 16, 36, 66, 86, 89, 99; 1903, 336 (s\ui. of Dactvcotvle). — Scott, 
T., 1901, 149.— Tasch., 1879, 240. 
morrhuse Ben. & Hesse, 1863; 1864, 106-107 (in Gradus moiThua). — Braun, 1890a, 
492.— Cerf., 1895h, 922; 1896, 517; 1898a, 302.— Scott, 1901, 149-150, pi. 8, 
figs. 25-26 (in G^dus callarias, G. merlangus); 1905, 118 (in Scott, 1901, pi. 8). — 
Tasch., 1879, 246 (sjti. of Octobothriuni morrhuse). 
polmata (Leuck., 1830) Ben. & Hesse, 1863, 1864, 107-108, pi. 11, figs. 1-13 (s^ms. 
Octobothrimn pal. Leuck., Octodactylus inhserens Dalyell) (in Gadus 
molva). — Cerf., 1895h, 917 (sjm. of Octob. pal.); 1896, 513. — Scott, 1901, 149, 
pi. 8, fig. 27 (in Molva molva^); 1905, 118 (in Scott, 1901, pi. 8). — Tasch., 1879, 
246 (to Octob.). 
PTEROXELLA Ben. & Hesse, 1863; 1864, 94—95 (m. molvse), fam. Udonellides. — 
Braun, 1890a, 410, 446, 511, 516, 517, 523, 531, 532; 1893a, 890.— Gamb., 
1896a, 73. — ^]^Iont., 1888a, 10, 86, 88, 98; 1892, Oct. 7, 213 (gen. of Udonellinse); 
1903, 336 (subf. Udonellinse). — Pratt, 1900, 646, 649 (key), 655, fig. 14. 
molvx Ben. & Hesse, 1863; 1864, 9^95, pi. 8, figs. 20-23 (in Lota molva).^ — Braun, 
1890a, 409, 418, 532, 548, 550, 551 (in Lota molva; Atlantic Oceanh — Linst., 
1889a. — Pratt, 1900, 655, 657, fig. 14. — Tasch., 1878, 573 (to LMonella). 
PTYCHOHOXIML'S Luehe, 1900, 489 (m. megastomus). — Looss, 1901, 206; 1902m, 
829, 830. — Pratt, 1902, 888 (related to Psilostominse), 897, 900. 
megastomus (Rud., 1819) Luehe, 1900, 489; 1901, 483. — Fischder., 1903h, 548. 
PYCXOPORL^S Looss, 1899b, 551, 610-611, 612, 618, 619 (;rz;;<-7'Os=firm, thick, strong, 
because of acetabulum) (tod. heteroporus) ; 1901, 199, 200. — Pratt, 1902, 889, 
903.— Staff., 1903, 828.— Stdes, 1901, 197. 
acetabulans Looss, 1896,” for acetabulatus Looss, 1899, in Braun, 1900, 388. 
acetabidatus Looss, 1899b, 611, 717-719. fig. 36 (in Yespenigo kuhli; Eg\-pt); 1901, 
205; 1907, Mar. 5, 481 (in Yesp. k.; Cau'o, Eg^’pt), 488. — Braun, 1900, 227, 
228. 
heteroporus (Huj., 1845a) Looss, 1899b, 611. — Braun, 1900, 227, 228. — Staff., 1905, 
Apr. 11, 692-693. 
inversus Looss, 1907, Mai’. 5, 486-487, figs. 6 a-b (in Yesperugo kuhli; Cairo, EgA-pt). 
PYELOSOML7M Looss, 1899b, 667 {g 7n;£/loc=Trog, Wanne, Mulde) (m. cochlear); 
1902m, 581, 582, 584, 586, 590, 593, 597, 600, 601, 602, 609, 611, 612, 613 (diag- 
nosis), 614. — Braun, 1901b, 50. — Pratt, 1902, 890, 910. 
cochlear Looss, 1899b, 667, 773-774, fig. 83 (in Chelonia mA'das; EgA*ptian coast); 
1902m, 416, 578-580, pi. 27, figs. 102-104; pi. .32, fig. 181; 593, ‘613.— Braun, 
1901a, 53. 
PYGIDIOPSIS Looss, 1907, 488 (m. genata), Heterophyiden. 
genata Looss, 1907, !Mar. 5, 488-490, figs. 7 a-c (in Pelecanus onocrotalus; Cairo, 
EgAT)t). 
PYGORCHIS Looss, 1899b, 587 (m. affixus) ( // ^u;^7)=der Steiss). — Braun, 1902b, 
31, 37.— Ofenheim, 1900, 182.— Pratt, 1902, 888, 898. 
affixus Looss, 1899b, 587, 596. 702-703, fig. 25 (in CorAuis cornix; Marg, Galiub, 
Gizeh, Cairo; Falco tinnunculus; Galiub; Circus aeruginosus; Xil, Adelenin- 
sel; Recui’A’irostra aA’ocetta). — Braun, 1901, 948; 1902b, 147. 
