GAPES. 



139 



" I'arisitic Diseases i.f l\niltry." Mr. Theobald describes the 

 o\"a and embryos as escaping- by the rupturing- (il' tin- female's 

 body, whicli takes place, as a rule, after the worm has been 

 expectorated by tlu- fowl or pheasant. ]]oth eo-gs and 

 eml.)ryos, as suggested l)y Oi-. Cobbold, take up their abode 



SyiKjamus tracheal is. — Siebold 

 Scli^rostdina S'lpigaiv n.^. — DiEsiNt; 



I' 



Na,t 

 [<- 



inur 



Ih. 

 F 



will 



Ural size. 



Tpijer part <A 



;, male and female 



^ Hauie, sli(i\i'iii^^ 

 especially the six-l'iied cirrulai lip (if 

 female, and the Di"de of uniMii Enlarged 

 i'j;. :1, Lovverenilof thebodyot tlie leuiale. 

 Its mueronate otuda[ a[)[)enil!i^e En- 

 d 



Fig- 4. Lower end ol tlie hodyoi" the male, 

 showing the cup-shaped bursa., hard ra,vs, 

 lateral muscles, digeetive tube, and round 

 tail. Magnified -"0 diameters. 



Fig a Mature egg. MagiLitleil '-'l'" dia- 

 meters 



Fig (i. Egg, with contained embryo ilag- 

 nihed j-JO diameters. 



in damp ground, that around the drinking vessels of the 

 fowls being a favourite locality'. 



The eggs hatch in from se\'en to forty days, according 

 as to whether the siirrouudings ai-e favouralile or not. 



