28 CATALOGUE OF EXTOZOA. 



Family V. ENOPLID.E. 



X. PASSALURUS. 



Oxyuris (part), Rudolphi, Bremser, <L-c. 

 Passalurus, Dujardin, Hist. Nat. Helminth. 231. 



1. Passalurus ambtguus. 



Oxyuris ambigua, Rudolphi, Synopsis Entoz. 19 & 229, n. 3; 



Bremser, Icon. Helminth, t. 2, f. 6-9. 

 Oxyurus ambigua, Bellingham, Ann. & Mag. Nat. Hist. 1844, xiii. 



478, n. 2. 

 Passalurus arnbiguus, Dujardin, Hist. Nat. Helminth. 232. 



Hub. Large intestines of the Rabbit, Lepus cunicvlus. 



From the collection of M. Siebold. 



XL ATRACTIS. 



Ascaris (part), Rudolphi. 



Atractis, Dujardin, Hist. Nat. Helminth. 233. 



1. Atractis dacttluris. 



Vermis dubius Testudinis terrestris, Rudolphi, Hist. Nat. Entoz. 



ii. pt. 2, 2G6, n. 9. 

 Ascaris dactyluris, Rudolphi, Synopsis Entoz. 40 & 272, n. 12. 

 Atractis dactylura, Dujardin, Hist. Nat. Helminth. Append. 654. 



Hah. Large intestines of Testudo grceca. 



From the collection of M. Siebold. 



Family VI. SCLEROSTOMIDiE. 



XII. CUCULLANUS. 



Cucullanus, Midler, Block, Voeze, Zeder, Rudolphi, Bremser, Blain- 



ville, C'uvier, Lamarck, Dujardin, dec, dc. 



1. Cucullanus microcephalus. 

 Cucullanus testudinis, Rudolph i, Synopsis Entoz. 21, n. 10 (species 



dubia). 

 Cucullanus microcephalus, Dvjardin, Hist. Nat. Helminth. 246, 



/A///. Intestines of the Caspian Bmya, Smys caspica. 

 From the collection of M. Siebold. 



