HIRUDINELLA. aay 
27. DIstoMA ELONGATUM. 
Distoma elongatum, Mehlis, Wiegm. Archiv. 1846, 139-46; Diesi 
Syst. Helminth. 307. -" 7 4 Lesung, 
_ fab, Intestines of the Herring Gull, Larus argentatus. 
From the collection of M. Siebold. , 
X. HIRUDINELLA. 
Hirudinella, Garsin, Mist. Acad. Sc. Paris, 17380; Blainville, Dict. 
Sc. Nat. \vii. 
Fasciola (sp.), Pallas, Menzies, Tilesius, Bose. 
Distoma (sp.), Rudolphi, Owen, Diesing. 
? Distoma (sp.), Dujardin. 
1, HIRUDINELLA CLAVATA. ee 
Hirudinella marina, Garsin, Hist. Acad. des Scien. a Paris, 1730, 
43, cum. fig. 
Osbeck, Reise Nach. Ostind. und. China, 1765, 392; English Trans. 
ii. 101; Billardiére, It. i. 46. 
Fasciola clavata, Menzies, Trans. Linn. Soc. i. 187, t. 17, f. 2; 
Blainville, Dict. Sc. Nat. vii. 586. 
Fasciola Scombri Pelamidis, 7ilesius, MSS. in Rudolphi. 
Fasciola coryphenz, Bosc, Hist. Nat. Vers, i. 271, t. 9, f. 5. 
Distoma clavatum, Rudolphi, Hist. Nat. Entoz. ii. pt. 1, 391; Sy- 
nopsis, 106 & 394, n. 65; Dujardin, Hist. Nat. Helminth. 459 ; 
Diesing, Syst. Helminth. 1. 366. 
Hirudinella clavata, Blainville, Dict. Sc. Nat. lvii. 586. 
Hab. Stomach of the Boneto, Scomber Pelamys. 
a. From the collection of the Zoological Society. 
b. From the colleétion of Dr. Leach; collected by J. Cranch, esq., 
along with Pandarus cranchit. 
c. From the collection of the College of Surgeons; collected by 
G. Bennett, Hsq. 
d. From old collection. 
_2. HIRUDINELLA VENTRICOSA. 
Fasciola ventricosa, Pallas, Spic. Zool. Fasc. x. 17, t. 1, f. 9, 10, 
1774. 
Fasciola fusca, Bosc, Hist. Nat. Vers, i. 271, t. 9, f, 4, 1802. “8 
Fasciola Coryphenz Hippuridis, Tilesius, MSS. in Rudolphi’s 
Hist. ii. pt. 1, 436. 
