60 Verm 
XV. VERMES. 
Orophocotyle , n. g. for Podocotyle planci Stoss, and 0. divergent, n. sp., 
from Pianzania truncata, anatomy and synonymy, Looss, Centrbl. 
Bakter. xxxi, pp. 637-644, 4 figg. 
Pachypsolus irroratus (= P. lunatus Looss), in Thalassochelys corticata , 
Egypt, structure and affinities, Looss, Zool. Jahrb. Syst. xvi, pp. 485- 
505, pi. xxiii, figg. 37 & 38, pi. xxxii, fig. 169. 
Phaneropsolus micrococcus, in Glareola austriaca , Braun, Zool. Jahrb. Syst. 
xvi, pp. 62-64, fig. 40. 
Philopthalmus , definition, p. 31, P. lucipetus in Larus fuscus, structure, 
Braun, t. c., pp. 32-37, figg. 21-23. 
P. lacrymosus , in Larus maculipennis , Brazil, Braun, t. c., pp. 36 & 37, 
fig. 24, n. sp. 
Phyllodistomum unicum , in bladder of Berr anus, Bed Sea, P. linguale, in 
bladder of Gymnarchus niloticus ; P. spatula, in bladder of Bagrus spp.; 
P. spatulceforme, in bladder of Malapterus electricus, Omdurman, 
Odhner, Centrbl. Bakter. xxxi, pp. 66 & 67, n. spp. 
Plagiorchis, definition, p. 37 ; P. elegans (=Distomum elegans Bud.) in 
Passer domesticus, pp. 37-43, figg. 25 & 26; P. cirratus in Corvus spp., 
pp. 43 & 44; P. maculosus ( = Distomum maculosum Bud.), pp. 45-47, 
figg. 27 & 28; P. nanus , in Scolopax gallinula, pp. 47-50, figg. 29 & 30 ; 
P. vitellatus ( — Distomum vitellatum Linst.) in Actitis hypoleucus, 
p. 50, fig. 31; P. triangularis in Merops apiaster, pp. 51-54, figg. 32 & 
33; P. permixtus in Hirundo rustica, p. 54, figg. 33 & 34; synonymy 
and structure, Braun, Zool. Jahrb. Syst. xvi. 
Plesiorchorus cymbiformis in Thalassochelys corticata, Egypt, anatomy, 
histology and systematic position, Looss, t. c., pp. 469-485, pi. xxiii, 
figg. 30-36. 
Pleurogonius trigonocephalus in Thalassochelys corticata, p. 548, pi. xxvi, 
figg. 7.5-78; P. longiusculus, p. 558, pi. xxvii, figg. 94-98, pi. xxxii, 
figg. 176 & 177; P. linearis, p. 565, pi. xxvii, fig. 99; P. bilobus, 
p. 567, pi. xxvii, fig. 100; P. minutissimus, p. 568, pi. xxvii, fig. 101 ; 
in Chelone mydas, Egypt, anatomy and affinities, Looss, t. c.; matura¬ 
tion and fertilization of the egg, and development, Goldschmidt, 
Zeitschr. wiss. Zool. lxxii, pp. 180-189, 11 text-figg. 
Polystomum integerrimum, maturation of the egg, fertilization and 
cell-division, Goldschmidt, op. cit. lxxi, pp. 397-444, pis. xxii- 
xxiv. 
Probolitrema n. g. for Anaporrhutum ricchiardii, Looss, Zool. Jahrb. Syst. 
xvi, pp. 855-862. 
Pronocephalidce ; anatomy and histology, Looss, t. c., pp. 581-617. 
Pronocephalus obliquus in Chelone mydas, Egypt, structure and affinities, 
Looss, t. c., pp. 527-532, pi. xxv, figg. 55 & 56, pi. xxvi, fig. 70, 
pi. xxxii, fig. 175. 
Prosthogonimus ; definition, p. 67; P. ovatus in Corvus frugilegus, pp. 69- 
75, fig. 43; P. cuneatus in Olis tarda, pp. 75-79, figg. 44 & 45; P. 
pellucidus in Callus domesticus, pp. 79-81, fig. 45 a; P. japonicus in 
chickens, Japan, pp. 81-83, fig. 46; P. rarus in Fulica atra, pp. 83- 
85, figg. 47 & 48; synonjuny and structure, Braun, t. c. 
Psilostomum ; characters, p. 11; P. brevicolle in Hcematopus ostralegus, 
pp. 12, 13, fig. 9; P. oxyurum in Anas, p. 14, fig. 10 ; P. spicidigerum 
in Fidigula nyroca, p. 15, fig. 11 [ = Distomum oligoon Looss]; structure, 
Braun, t. c. 
Pyelosomum cochlear in Chelone mydas, Egypt, structure, Looss, t. c., 
p. 578, pi. xxvii, figg. 102-104, pi. xxxii, fig. 181. 
Rhytidodes gelatinosus in Chelone mydas, Egypt, structure and affinities, 
Looss, t. c., pp. 445-457, pi. xxii, figg. 19-24. 
Scaphiostomum ; definition, p. 133 ; S. illatabile in Falco nitidus, pp. 134- 
136, fig 80, Braun, Zool. Jahrb. Syst. xvi. 
