293 
HOLOSTOMUM— Continued. 
siplixnda (Riid., 1803) Duj., 1845a, 371-372. — Blochmann, 1892b, G50 (in Corvus 
comix). — Jlrand., 1888a, 66 (syn. H. rotimdatum) (in Corvus comix, ('. 
corone, Lanins collurio, Oriolus cristatus); 1890a, 593, 594, pi. 41, fig. 7. — 
Braun, 1893a, 904; 1894k, 681.— Crep., 1846, 132.— Dies., 1850a, 314 (in 
Corvus cornix, C. corone, C. frugilegus) ; 1858e, 321 (in C. glandarius). — Kowal., 
1896d, 252 (2) (in Corvus cornix L.; Dublany); 1904, 23 (8) (in Garrulus glan- 
darius).— Linst., 1877, 187.— Mol., 1858, 128; 1861, 196.— Mueh., 1898, 19.— 
Wolffliuegel, 1900, 9, 26, 33, 41. 
squamosum Villot, 1878, 20-21, pi. 5, figs. 2-3 (in Strepsilas interpres). — Brand., 
1888a, 18; 1890a, 577.— Linst., 1889.— Mont., 1888a, 23, 71. 
tenuicolle (Westrumb, 1823) Dies., 1850a, 316 (in Falco rufus). — Brand., 1888a, 66 
(in F. rufus); 1890a, 594, pi. 41, fig. 23. — Braun, 1892a, 586; 1893a, 904. — 
Also reported for Circus rufus. 
unciforme (Bud., 1819) Brand., 1888a, 66; 1890a, 594 (in Oriolus cristatus). — 
Braun, 1893a, 904. 
urniceps Schlotthauber, 1860, 129 (in Falco pygargus, int.). 
urnigerum (Bud., 1819) Duj., 1845a, 378-379. — Baird, 1853a, 49 (s3m. Codono- 
cephalus mutabilis Dies.). — Brand., 1888a, 13. — Dies., 1836, 24i; 1858e, 323 
(of Wedl syn. of Co. mut., type Dies.). — Hannover, 1864a, 5. — MouL, 1856a, 
219 (in Bana esculenta). — Sieb., 1835, 57. — Sons., 1893, 190 (syn. of Co. rant. 
Dies.). — Wedl, 1857, 255. 
vaginatum Brand., 1888a, 64 (in Catliartes sp. by Natterer); 1890a, 591, pi. 41, fig. 
24. — Braun, 1893a, 904 (Brazil). 
variabile Nitzsch, 1819, 400, pi. 4, figs. 11-16 (in owls; Germany), syn. Amphist. 
macrocephaluin Bud.; in Giebel, 1857a, 265 (in Strix aluco, Scolopax gal- 
linula). — Baird, 1853a, 47 (=H. niacroc. Blainv.). — Brand., 1888a, 5, 32, 63, 68 
(in Strix aluco); 1890a, 561, 590, 596, pi. 41, fig. 1. — Braun, 1892a, 699; 1893a, 
879, 881, 904; 1894k, 682; 1895b, 11.— Crep., 1839, 288.— Dies., 1850a, 312-313 
(syns. Planaria teres poro simplici Goeze, Festuc. strigis Sclirank, Fasc. strigis 
Gmelin, Strigea Abildg., Amphist. macrocephaluin Bud., II. macrocephaluin 
Crep.) (in Strix brachyotus, S. bubo, S. flanimea, S. otus, S. aluco, S. pas- 
serina, S. tangmalmi, Falco tinnimculus, F. apivorus, F. albicilla, F. nsevius, 
F. gallicus, F. lagopiis, F. cineraceus, F. rufus, F. haliaetos, F. buteo, F. 
peregrinus, F. pennatus, F. cyaneus, F. rufipes, F. imperialis); 1858e, 320 
(syns. Amphist. macrocephalum Bellingham, 1844; II. macroc. Crep., 1849) 
(in Falco rufus, F. peregrinus, Ardea cinerea, Strix nyctea, S. pygmsea). — 
Giebel, 1857, 265.— Hoyle, 1890, 539.— Kastenbaum, 1899, 244, fig. 33, 7.— 
Kowal., 1896d, (2) 252 (in Buteo vulgaris Bechst; Dublany); 1904, (8) 23 
(in Otus brachyotus; Dublany). — Linst., 1877, 187; 1903, 279; 1905, 191; 
1906, 14 (syn. of H. macrocephalum). — Mol., 1858, 127; 1859, 818 (in Strix 
otus); 1861, 194-195, pi. 1, hgs. 6-7.— Mueh., 1898, 16, 19.— Nord., 1840, 626 
(syn. of Amphist. macrocephalum). — Par., 1887, 329-330; 1899, 4; 1902, 3-4 
(in Aesalon regains, Asio otus, Circus cyaneus; Elba). — Stoss., 1892, 66 (in 
Falco peregrinus; near Tries!) ; 1895, 37 (in Circus aBruginosus; Accipiter 
nisus at Tries!; Syrnium aluco in Dalmatia); 1896, 126 (in Cerchneis tinnun- 
culus; Staranzano); 1898, 21. — Villot, 1898, 542 (adult of Tetracotylc col- 
ubri). — Walter, 1866, 64 (A. macrocephalum Crep.). — Wedl, 1857, 252-253, pi. 
1, fig. 18. — ^Wolffliuegel, 1900, 9, 11 (in Vultur calvus), 16, 17, 44. — Beported 
for Aegolius brachyotus, A. otus, Aquila albicilla, A. imperialis, A. nsevia, 
A. pennata, Archibuteo vulgaris, Ardea cineria, Astur nisus, Brachyotus 
palustris, B. variabilis. Bubo maximus, Buteo lagopus, Circaetus gallicus. 
Circus cineraceus, C. cyaneus v. hudsonius, C. rufus, Falco cya^ieus, Nyctea 
nivea, Otus vulgaris. Pica caudata, Picus sp., Scolopax gallinula. 
variegatum (Crep., 1825) Duj., 1845a, 376-377. — Brand., 1888a, 7, 63 (syn. H. platy- 
cephalum Duj.). — Baird, 1853a, 48. — Braun, 1893a, 844, 904; 1894, 166, 167; 
1894k, 681.— Crep., 1846, 139.— Dies., 1850a, 315.— Duj., 1845a, 376-377 (in 
Lams maximus). — ^Mueh., 1898, 16, 19-20, fig. 9. — Villot, 1898, 542 (adult of 
Tetracotylc ovata). — Wolffhuegel, 1900, 9, 62. — Beported for Alca torda, Anas 
boschas, Carbo cormoranus, Colymbus rufogularis, C. septentrionalis, Falco 
albicilla, Fuligula nyroca, Harelda glacialis, Laras argentatus, L. marinus, 
L. ridibundus, Podiceps cristatus, Uria troilc, Xema ridi])undum). 
westrumbii Cobbold, 1860a, 45 (Amphist. sphserocephalum Westrumb, renamed) 
(in Coracina scutata; Brazil). 
