1909.] - 
OF BIRDS ALLIED TO THE. GROUSE. 
367 
V. Terrao uvrocautus L. The Capercaillie. 
WNEMATODA. 
(i) Heterakis compar (Schrank), v. p. 364. 
(ii) Heterakis papillosa (Bloch), v. p. 364. 
(ii) Heterakis perspicillum (Rud.), v. p. 365. 
(iv) Filaria urogalli (v. Linstow). 
Lives in the subcutaneous tissues. 
(v) Trichosoma longicolle (Rud.), v. p. 345. 
CESTODA. 
(1) Bothriocephalus sp. 
Cobbold* found in the subeutaneous tissue lying over the 
pectoral muscles of a Capercaillie a single specimen of a tape-worm 
which he compared with a Ligula reptans. 
larval Bothriocephalus. 
It was probably a 
(ii) Davainea urogalli (Modeer), v. p. 351. 
(ui) Davainea globocaudata (Cohn). 
(iv) Hymenolepis microps (Diesing). 
List oF PARASITES WITH THEIR Hosts. 
NEMATODA. 
Filaria bonasie (v. Nordm.) ... 
Filaria wrogalli (v. Lins.) 
Filaria sp. 
FHeterakis borealis (v. Lins.) 
Heterakis compar (Schrank) ... 
Heterakis papillosa (Bloch)...... 
Heterakis perspicillum (Rud.)... 
Feterakis magnopapilla (v. Lins.) 
Strongylus papillatus (v. Lins.) 
Strongylus hastatus (v. Lins.)... 
Syngamus trachealis (v. Sieb.) 
Trichosoma longicolle (Rud.) ... 
JHOS I, 
Bonasia sylvestris. 
Tetrao urogallus. 
Lagopus scoticus. 
Lagopus mutus. 
Lagopus mutus, Tetrao tetrix, 
and Tetrao wrogallus. 
Lagopus mutus, Lagopus scoti- 
cus, Tetrao wrogallus, and 
Bonasia sylvestris. 
Tetrao tetrix, Tetrao urogallus, 
and Bonasia sylvestris. 
Tetrao tetria. 
Tetrao tetria. 
Tetrao tetria. 
Lagopus scoticus. 
Tetrao tetrix, Tetrao wrogallus, 
and Lagopus scoticus. 
Trichostrongylus pergracilis (Cobb.)  Lagopus scoticus. 
Nematode gent | Ae eeteseceee 
Tetrao tetrix. 
* Tr. Linn. Soc. London, xxii. p. 165. 
7+ Zool. Anz, xxiii. 1900, p. 91, and Acta Ac. German. Ixxix. 1901, p. 263. 
