376 ANIMAL PAEASITES. 



Femina : caudd obtusd, recta ; ano in parte caudali ; vagina 

 antrorsum slid; utero simplici aut biloculari ; ovulis maynis 

 (0-06 0-12 mill.) Animalia ovi- aut vivipara. 



Dujardin treats of the Stronguli veri as the fourteenth genus 

 of his Nemato'ides. Diesing has treated of the two species here 

 referred to in different places, and placed the Strongylus gigas 

 in his Genus LIV, Enstrongylus , of which he gives the following 

 description : " Corpore subcylindrico, utrinque sensim attenuate, 

 capite corpore continue, ore termiiHili, orbiculari, papilloso ; bursa 

 maris terminally Integra, pene filiformi longo, hand vaginato ; 

 vagina aut antrorsum aut retrorsum sitd ; systemati gangliorum 

 distinctissimo. Animalia ovi- aut vivipara, extra tubum intes- 

 tinalem habitantia." 



1. Strongylus gigas. Tab. VIII, figs, a, b. 



Synon. : Enstrongylus gigas (Diesing) ; Lumbrici in renibus 

 (Blasius) ; aut renalis (Redi) ; Lumbricus sanguineus in rene canis 

 (Hartmann) ; les vers sortis des reins et de Purethre (Mouhlet) ; 

 Ascaris visceralis aut renalis (Gmelin) ; Asc. canis et Mustelas 

 martes (Schrauk) ; Dioctophyme (Collet-Meygret) ; Fusaria vis- 

 ceralis aut renalis (Zeder). 



Corpore rubro, cylindrico, longissimo, utrinque attenuate, striis 

 aut annulis transversis interruptis et 8 fasciis fibrarum longitudina- 

 lium instructo ; capite obtuso, truncato ; ore orbiculari 6 papillis 

 aut nodulis planiusculis, appropinquantibus ; ossophago 15 22 

 mill, circiter longo, tenui et angustiore, quam canalis intestinalis . 



Mas : corpore antrorsum magis attenuate, 140 ad 140 mill. = 

 10" 1' longo, 4 6 mill, lato ; caudd obtusd cum bursd membra- 

 naced patelliformi, circa 3 mill, laid, truncatd ; pene tenuissimo 

 simplici. 



Femina : corpore utrinque attenuate, 2 decim. ad 1 metr. = 

 5" 3' longo, 5 12 mill, lato ; caudd magis recta, obtuso-rotun- 

 datd ; ano triangulari, oblongo, sub extremitate caudali sito ; 

 vagina antrorsum sitd ; utero simplici ; ovulis fere globulosis. 



Bremser has already shown that this worm, which occurs, 

 although rarely, in the abdominal cavity, the omentum, but 

 especially in the kidneys and urinary bladder, more rarely in the 

 lungs and liver, and only when strayed in the intestinal canal of 

 martens, dogs, wolves, seals, otters, oxen, and horses, is still more 



