T.ENIAD.ffi. 83 



35. TAENIA TORULOSA. 



Taenia articulis rotundis, Block, Abhand. 11, t. 2, f. 1-4, 10, 11. 

 Taenia torulosa, Batsch, Bandw. 181, n. 27, f. 105-108; Gmelin, 



Syst. Nat. 3081, n. 85; Rudolphi, Wiedm. Arch. iii. 1, 110; Hist. 



Nat. Entoz. ii. pt. 2, 111 ; Synopsis, 149, n. 23 ; Bosc, Hist. Nat. 



Vers, i. 309; Dujardin, Hist. Nat. Helm. 584; Dieting, Syst. 



Helminth, i. 514. 

 Taenia orbicularis, Schranh, Verzeichn. 49, n. 150. 

 Taenia simplex, Frblich, Natttrf. xxv. 58-61, t. 3, f. 4-6. 

 Rhytelminthus cyprini, Zeder, Nachtrag, 215 & 220. 

 Halysis torulosa, Zeder, Naturg. 352, n. 39. 



Hob. Intestines of the Cyprinus aspius. 



From the collection of M. Siebold. 



36. TAENIA ^QUABILIS. 



Taenia aequabilis, Rudolphi, Hist. Nat. Entoz. ii. pt. 2, 135 ; Sy- 

 nopsis, 155 ; Dujardin, Hist. Nat. Helm. 610, n. 130 ; Dieting, 

 Syst. Helminth, i. 527. 



Hah. Intestines of the Whistling Swan, Cygnus ferus. 



From the collection of M. Siebold. 



37. T^nia calva, Baird. 



Head small, rounded and smooth, white and shining. Mouth un- 

 armed. Neck constricted. Segments of body at first very small, 

 gradually enlarging in breadth as they descend till they reach 

 about the middle of the length of the body, where they are 

 still narrow, linear shaped, and about seven times broader than 

 long. After this they begin to increase in length and diminish 

 in breadth, becoming at first nearly square-shaped, and at last, 

 near the extremity, they become nearly twice longer than 

 broad. All the segments are strongly striated across, and the 

 upper and lower margins where they join with each other are 

 considerably thickened. 



Length 5^ inches, greatest breadth nearly 4 mill., breadth of lower 

 extremity 1 mill., of head i mill. 



Hab. Intestines of the common Grouse, Lagopus scoticus. 



From the collection of Dr. G. Johnston. 



§3. 



C. Proboscis surrounded by a swelling, smooth or rough, with very 

 small spines, and having a crown of very numerous small hooks. 



3S. TAENIA INFUNDIBULIFORMIS. 



Taenia avium (part), Pallas, Nord. Beyt. i. 1, 87. 



