Die Nematoden. j2q 



B. Arktisehe und subarktische Nematoden-Fauna. 



I. Parasitische Nematoden. 



Ascaris canis lagopodis Rud. in Canis lagopus. 



,, mystax Rud. in Camis lagopus. 



„ transfuga Rud. in Ursus maritimus. 



„ bicolor Baird in Trichechus rosmarus. 



„ osculata Rud. in Trichechus rosmarus, Cystophora cristata, Phoca foetida, Phoca groenlandicn, Phoca barbata, 

 Phoca vitulina, Phoca annellata, Phoca pantherhia, Halichoerus grypus, Monachus albiventer. 



„ decipiens Krabbe in Cystophora cristata, Trichechus rosmarus, Phoca groenlandica, Phoca barbata, Phoca 



vitidina, Phoca annellata. 



„ bulhosa CoBB. in Phoca barbata. 



„ Simplex Rud. in Beluga leucas, Monodon monoceros, Hyperoodon rostratum, Phocaena communis. 



„ angulivalvis Crepl. in Balaenoptera rostrata, Balaenoptera borealis. 



„ Icükenfhalü Cobb. in Beluga leucas. 



„ halicoris Owen in Rhytina stelleri. 



„ rhytinae Brandt in PJiytina stelleri. 



„ capsularia Rud. in Phocaena communis. 



„ spiralis Rud. in Surnia nyctea. 



„ heteroura Crepl. in Chirndrias morinellus und Ch. pluvialis. 



„* charadrii Bellingh. in Äegialites hiaticula. 



„ marecae Bellingh. in Anas penelope. 



„ spiculigera Rud. in Mergus serrator, Colymbus septentrionalis, Colymbus arcticus, Larus tridactylus, Larus 

 fuscus, Larus marinus, Lestris pomarina, Lestris parasitica, Colymbus rufogularis, üria triole, Alca tarda, 

 Carbo cristatus. 



„ arctica v. Linstow aus Diomedea leucops. 



„ sternae hirundinis Bellingh. aus Sterna hirundo. 



„ communis Dies, in Scbastes norvegicus, Gottus scorpius, Gadus morrhua, Gadus aeglefinus, Salmo arcticus. 



„ angidata Rud. aus Cottus scorpius. 



„ constricta Rud. in Cottus scorpius. 



„ adunca Rud. in Gadus carbonarius. 



„ rotundnta Rud. in Gadus morrhua. 



„ clavata Rud. in Gadus morrhua, Gadus aeglefinus, Merlangus vulgaris, Gadus virens. 



„ Salaris GoEze in Gadus morrhua- 



„ tenuissima Rud. in Merlangus vulgaris. 



„ collaris Rud. in Hippoglossus maximus. 



„ acus Bloch in Clupea harengus. 



„ gracilescens Rud. in Clupea harengus. 



„ clupearum Fabr. in Clupea harengus. 



„ clupeae Van Bened. in Clupea harengus. 



Fauna Arctica. 17 



