106 WORMS. MOLLUSCA. 37. Pedicellaria. 38. Tethys. 
G lbifera, 
Tripkylla . 
Tridens. 
Leporinas 
Fimbria. 
37. PEDICELLARIA. Body foft and feated » 
on a rigid fixed peduncle’: aperture fingle. 
Head fphzrical: neck o. | 
Mull, Zool. Dan. 1. p. $2. tab. 16. fig. 16. 
Inhabits Northern Seas, among the {pines of Echini. 
Body minute and refembling a.Mucor : bead xeddifh, having the 
^ appearance of a {mall cherry: peduncle or fem tawny, and co- 
vered with a gelatinous hyaline skin. 
Head 3-lobed, the lobes nearly fquare and unarmed: neck 
round. : 
Mull. Zool. Dan. 1. p. $4, tab. 16. fig. 6—9. 
Inhabits North Seas, among the {pines of Echini, 
Head with reddifh or hyaline lobes, fometimes ovate: neck flexu- 
ous blue: feduzcie cheínut-brown. 1 
Head 3-lobed, the lobes oval and awned: neck round. 
Mull. Zool. Dan. 1. p. $4. tab. 16. x. 10—15. 
Inhabits North Seas, among the fpines of Echini, 
Neck {mooth hyaline, fometimes reddifh : lobes of the head fome- 
times 4, and 3 times as long as the neck, rarely unarmed with 
awn: peduncle reddifh and 3 times as longas the neck. 
38. TETHYS. Body detached, rather oblong, 
flefhy, without peduncles: mouth with a 
terminal cylindrical probofcis, under an 
expanded membrane or lip: apertures 2, 
. on the left fide of the neck. 
Membrane or lip ciliate. 
Inhabits the Mediterranean. Column, aquat. 27. tab. 26. 
Lj "A 
Membrane or lip crenulate or pointed. 
Boadftb. Mar. tab. $. fg. 1, 2. Barbut. tab. 6. fig. 1. 
Inhabits ihe Adriatic Sea: about 6 inches long. 
Body white: Ji? rounded, fpread over the fore-part of the head 
and broader than the body, the border yellowifh and thicker 
than the lip. 
và fn 39. 
