PLATYHELMINTHES TREMATODA 



Species. 



D. cygnoidcs Zed. Rana . 



D. cylindraceum f 



Zed. \ "" 



D. dimorphum ( Ardea, Ciconia 



Dies. t (Brazil) 



D.echinatumZed. {^^^ Anser> 

 D.endolobumDuj. Rana . 



D. qlobiporum 



whcercarieare 

 eventually formed. 

 f Limnaea ovata 

 {Planorbis corncus 



-^ , , 



Not known 



rcana 'nuicro- 



Limnaea ovata 

 Not known 



Ilybius fuliffinosus 

 Different species of Fishes 



r, Species of Lim- Species of Limnaea, Paludina 

 naca vivipara 



(L. stagnalis, Gammarus pulcx, 

 larvae of Limnophilus 

 rhombicus 

 f Limnaea stagnalis, L. ovata, 



: POr " m {*****. Notkno, | f~*gj,SS 



\ marginatus 

 D. hepaticum / Sheep, Oxen, Man, Limnaea trunca- f Q ... i 



D. hystrix Duj. { ^ri^s *****" { Not known Marine Fishes 



D -s^ mm {5assu%{*-*-* -" 



D. militare v. Ben. Common Snipe Paludinavivipara P. vivipara 

 D.nodulosumZed. Perca fluviatilis { B^ynia tentacu- f f>.y prinus> Acerina cernua 



D. ovocaudatum p , . /Species of Plan- Probably omitted. (Cercaria 



Vulp. Rana esculenta | t^ knownas C.c^opAomWag.) 



Z>. retusum Duj. JZoTUi . r -- ,..( L. stagnalis, larvae of 



D. squamula Dies. Polecat . . Unknown 

 /?. 5^n<, Duj. { TropUonotus na- | Unknown 



Paludina vivipara Unknown 



Rana temporaria 

 Rana 



a ,J3ET l **{ii*".M- 



Gasterostomum sp. Dogfish, Rays 

 Perca, Esox 



G. fimbriatum 

 v. Sieb. 



G. gracilescens ( Lophius pisca- 



Rud. \ <os 



Monostomum f 



flavum Mehl. t 



^was 



(Ostrcaedulis,Car- f 

 -! dtwi rusticum, -I Belone vulgaris 

 ( C. edule [ 



(Unio, Anodonta ( 



1 as Bucephalus \ ' 

 I polymorphus) ( 



/TTnVnn /Species of Gadus (e.g. #. 



| Unknown | aegleflnus), Molva, Lophius 



Planorbis corneus Omitted 



Classification of Trematodes. We have seen (p. 63) that it 

 is hardly possible to carry out fully the division of Trematodes into 

 Monogenea and Digenea. Nevertheless, pending further inves- 

 tigation on the doubtful points, this classification may still be 



