THNIADA. . 73 
Se. Nat. Art. Vers, 599; Dujardin, Hist. Nat. Helm. 559; Die- 
sing, Syst. Helminth. i. 519. 
Hab. Intestines of the domestic Cat, Felis catus domesticus. 
a. From the collection of M. Siebold. 
6. From the collection of Dr. Leach. 
5. TmNIA POROSA. 
Teenia porosa, Rudolphi, Hist. Nat. Entoz. ii. pt. 2, 190, t. 10, f. 1; 
Synopsis, 168 & 529, t. 3, f. 7,8; Bremser, Icon. Helminth. t.16, 
f.10, 14; Schmalz, Tab. Anat. Entoz. t. 4, f.21 (ova.); Blainville, 
Dict. Se. Nat. lvii. 599; Dujardin, Hist. Nat. Helminth. 561; 
Diesing, Syst. Helminth. 1. 546. 
Hab. Intestines of the lesser Black-backed Gull, Larus fuscus. 
From the collection of M. Siebold. 
Fi 
6. TNIA LANCEOLATA. 
Tenia anserum, Lrisch, Miscell. Berol. iii. 42; Bloch, Besch. Berl. 
LV. Fr. iv. 558. 
Teenia acutissima (part), Pallas, NV. Nord. Beyt. i. pt. 1, 78, t. 3, 
f. 26. 
Tenia lanceolata, Bloch, Abhand. 9, t. 1,f. 5,6; Goeze, Natwrg. 
377, t. 29, f. 3-12; Batsch, Bandw. 165, n. 20, f. 88-167; 
Schrank, Verzeichn. 39, n. 117; Gmel. Syst. Nat. 3075, n. 63; 
Tab. Eneyc. t. 45, £.15-24; Frolich, Naturf. xxv. 67; Rudolphi, 
Obs. i. 41; Hist. Nat. Entoz. ii. pt. 2, 84; Synopsis, 145 & 488 ; 
Bloch, Hist. Nat. Vers, i. 304; Lamk. An. S. Vert. iii. 161, 
Qnd ed. iii. 575; Dujardin, Hist. Nat. Helminth. 562, t. 9, f. F.; 
Diesing, Syst. Helminth. i. 521. 
Halysis lanceolata, Zeder, Vaturg. 338, n. 17. 
Hab. Intestines of the common Goose, Anas anser. 
From the collection of M. Siebold. 
7. Tznta BremseEri, Baird. (Tab. II. f. 5.) 
Head of moderate size, surrounded with a double crown, composed 
of upwards of 20 small hooks; neck very short; joints of body 
numerous, at first very small and nearly oblong, gradually en- 
larging in size as they descend, and becoming campanulate. 
They are marked with numerous fine transverse lines, which 
again are crossed by several strong longitudinal lines or grooves. 
’ The inferior angles of each joint are slightly prolonged into 2» 
point, and the margin is somewhat thickened (especially in the 
lower joints of body), and undulately waved or slightly scal- 
H 
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