HIRUDINELLA. 59 



27. DiSTOMA ELONGATUM. 



Distoma elongatum, Mehlis, Wiegm. Archiv. 1846, 139-46; Diesing, 

 Syst. Helminth, i. 397. 



Hab. Intestines of the Herring Gull, Larus argentatus. 



From the collection of M. Siebold. 



X. HIRUDINELLA. 



Hirudinella, Gar sin, Hist. Acad. Sc. Paris, 1730 ; Blainville, Diet. 



Sc. Nat. lvii. 

 Fasciola (sp.), Pallas, Menzies, Tilesius, Pose. 

 Distoma (sp.), Rudolphi, Owen, Diesing. 

 ? Distoma (sp.), Dujardin. 



1. Hirudinella clavata. 



Hirudinella marina, Garsin, Hist. Acad, des Scien. a Paris, 1730, 

 43, cum. fig. 



Osleck, Reise Nach. Ostind. und. China, 1765, 392; English Trans. 

 ii. 101 ; Billardiere, P. i. 46. 



Fasciola clavata, Menzies, Trans. Linn. Soc. i. 187, t. 17, f. 2 ; 

 Blainville, Diet. Sc. Nat. lvii. 586. 



Fasciola Scombri Pelamidis, Tilesius, MSS. in Rudolphi. 



Fasciola coryphtense, 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, i. 366. 



Hirudinella clavata, Blainville, Diet. Sc. Nat. lvii. 586. 



Hab. Stomach of the Boneto, Scomber Pelamys. 



a. From the collection of the Zoological Society. 



h. From the collection of Dr. Leach; collected by J. Cranch, esq., 

 along with Pandarus cranchii. 



c. From the collection of the College of Surgeons; collected by 

 G. Bennett, Esq. 



d. From old collection. 



2. Hirudinella ventricosa. 



Fasciola ventricosa, Pallas, Spic. Zool. Ease. x. 17, t. 1, f. 9, 10, 



1774. 

 Fasciola fusca, Bosc, Hist. Nat. Vers, i. 271, t. 9, f. 4, 1802. 

 Fasciola Coryphacuae Hippuridis, Tileshcs, MSS. in RudolphVs 



111 st. ii. pt. 1, 436. 



