io6 WORMS. MOLLUSC A. 37. Pcdicellaria. 38. Tethys. 



37. PEDICELLARIA. Body foft and featcd 

 on a rigid fixed peduncle : aperture iingle. 



GliUfcra. Head fphserical: neck o. 



Mulh loot. Da?:. I />• C2. tah. iS.fg. I— 5. 



Inhabit* Northern Seas, among the fpine* of Echini. 



Body minute and rcfembiing a Mucor : head reddifh, having the 



appearance of a fmall cherry: peduncle or Hem tawny, and co. 



ye/cd with a gelatinous hyaline skin. 



Tr/p. J .yl/a. Head globed, the lobes nearly fquare and unarmed : neck - 

 round. 

 Mull. Zoo!. Dan. 1. p. 54. Uib. J 6. fg. 6—r-g. 

 Inhabits North Seas, among the fpines of Echini. 

 Head with reddifh or hyaline lobes, ibme times ovate: neck Hexu- 

 f ous blue : peduncle chefnut-brown. 



Fridens. Head 3-lobed, the lobes oval and awned : neck round. 



Mull. Zool. Dan. i.p, 54. tab. 16. «. 10 — 15. 



Inhabits North Seas, among the fpines of Echini. 



Neck fmootk hyaline, fometimeb reddifh : lobes of the head forae- 

 times 4, and 3 times as long as the neck, rarely unarmed with 

 awn : peduncle reddifli and 3 times as long as the neck. 



38. TETHYS. Body detached, rather oblong, 

 rteihy, without peduncles : mouth with a 

 terminal cylindrical probofcis, under an 

 expanded membrane or lip: apertures 2, 

 on the left fide of the neck. 



Leporina* Membrane or lip ciliate. 



Inhabits the Mediterranean. Cdumu* aqnat. 27. tab 26. 



Fimbria, Membrane or lip crenulate or pointed. 



Boadfch. Mar. tab. $.fg. 1.2 Barbut. tab. 6. fig, I. 



Inhabits ihe Adriatic Sea : about 6 inches long. 



Body white : lip rounded, fpread over the fore-part of the head 



and bioadcr than the body, the border yelloviifh and thicker 



than the lip. 



39. 



