ASCARID A. 25 
§ 3. Gsophagus prolonged, in form of a cecum or pyloric ap- 
pendage, along the intestine, and accompanied by another 
cecum springing from the intestine, and directed forwards. 
29. ASCARIS SPICULIGERA. 
Ascaris spiculigera, Rudolphi, Hist. Nat. Entoz. ii. pt. 1, 168; 
Synopsis, 48 & 290, n. 51, 662, n. 45; Bremser, Vers Intest. de 
l Homme, 128; Icon. Helminth. t.5, f. 5-8 ; Creplin, Nov. Obs. de 
Entoz. 22; Mehlis, Isis, 1831, 94,95; Bellingham, Ann. &§ Mag. 
Nat. Hist. 1844, xiii. 171, n. 22; Dujardin, Hist. Nat. Helminth. 
206. 
Ascaris carbonis, Turton, Brit. Faun. 125; Pennant, Brit. Zool. 
ed. 1812. 
Ascaris variegata, Rudolphi, Hist. ii. pt. 1, 169; Synopsis, 49, 
n. 52. 
? Ascaris colymborum, Rudolphi, Synopsis, 55, n. 97. a 
? Ascaris mergorum, Ltudolphi, 1. c. n. 100. 9 
Hab. Gsophagus of the common Cormorant, Graculus carbo. 
From the collections of M. Siebold and Dr. G. Johnston. 
30. ASCARIS CLAVATA. 
Ascaris gadi, Muller, Zool. Dan. Prod. n. 2595 ; Fabricius, Faun. 
Groenland. 274, n. 255; Muller, Zool. Dan. ii. 47, t. 74, £.6; Fa- 
bricius, Dansk. Selsk. Skrivt.i. pt. 1, 155; Rathke, Dansk. Selsk. 
Skrivt. v. 67. 
Proboscidea gadi, Tab. Hncyc. t. 32, f. 15, 16. 
Ascaris clavata, Rudolphi, Hist. Nat. Hntoz. ii. pt. 1, 183; Synopsis, 
51 & 293, n. 64; Lamarck, An. S. Vert. 1. 209; 2nd ed. 111. 656 ; 
Bellingham, Ann. & Mag. Nat. Hist. 1844, xiii. 173, n. 29; 
Dujardin, Hist. Nat. Helminth. 211. 
Hab. Maw of a Codfish, taken in 40 fathoms, lat. 66° 34’ N. long. 
53° 08’ W. : 
Presented by Dr. Sutherland. 
31. AscaRIs L=vissima, Baird. 
Body round, very smooth, of a rather dark olive colour, marked 
with numerous very fine smooth longitudinal lines, and occa- 
‘sional very distinct red circular lines at irregular distances; 
tapering at both extremities and narrower at posterior extre- 
mity. Length 10 inches, greatest breadth 4 lines. Head small, 
in form of a narrow circular rim; valves of the mouth large and 
distinct, of a triangular shape, divided at the tip into two lobes, 
each of which again is broadly emarginate. Between each of 
the valves, at their base, is a small smooth tubercle or promi- 
. D 
