Hi WORMS. MOLLUSCA. 41. Hoiothuna. 



Body 4 lines long, glabrous, fubmembranaceous, whitifh and 

 rarely feddifh : each row of papilla confiding of 10: tentacula 

 yeliowilh and 6 -cleft at the tip* 



Ponipata. Ventricofe $ both ends narrow and conic, th« anterior one 

 forcipated. 



0. Fabr.fn. Gr&nl. p. 357. n. 349* 



Inhabits Greenland Seas, with a clayey bottom, and is is often de- 

 voured by the Cottus Scorpio; 5 h.ches long. 



Body ("oft, lubricous, with a tnin (kin covered with innumerable' 

 hardly eminent dots \ /creeps rigid, ochre-yellowy with curved 

 fangs* 



Zonaria. Oblong, depreffed ; with a fieuh-colour fheath and a whit- 

 ilh hyaline pouch, body marked with 5 yellow zones. 

 Pall. Spial. Zool 10. p. 26. tub. I, fig. 17, A, B, C. 

 Inhabits the lea round Ar.tioiia. 

 Mouth tranfverfe, with prominent gaping lips. 



< itiata. Body foft, lax, wi h white bands dotted with brown: ten* 

 tacula linear-lanceolate and toothed at the fides. 



Forsk. fn. Egfpt. Aral), p 1 2 1 , n. 48. 



Inhabits the Rtd Sea, among Zofterae, and adheres to the hands 

 by means of its vifcid papillse; i\ fpan long. 



Body with 5 white ftripes dotted with black, and alternate nar- 

 row brown ones dotted with white: tertacula 12, brown in 

 the middle and pale at the fides. 



Mttxima. Body rigid and nearly fquare ; above convex, beneath Hat 

 and edged with white: tentacula filiform and cut like 

 petals at the lip. 



Inhabits the Red Sea Forsk. /k. s£g* Arab. p. tzi, 2. 50. 



Body about a foot long, hard and rough, with papilla; : tentacula 

 grey-hyaline. 



Impatient. Body rigid, cinereous : tentacula 20, filiform, 7 -cleft and 

 denticulate at the tip. 



Forsk fn. ALgypt. Arab, p 1 2 1 , n. 5 I ' .• 



Inhabits the mores of the Red Sea, under flonesy or in the pores 

 of the Spongia officinalis. 



Body hardifh, cinereous, varied with fpots and bands, and rough 

 with hemifphaerical warrs whitifh in the middle and approxi- 

 mate : tentacula hyaline dotted with black; and obtfliely toothed, 



42* 



