3 342 Mr. MoNTAGv's Descriptions of. 
inches in length : the three pair of branchiæ are much ramified, 
E 1 i E 
and red. à | soc Ta + 
P sixteen inches. PURE 
T. gigantea is th yest of t ex E ecjes ; it inhabits 
the soil at the bo sea, and seems to be destitute of 
| i n ary of Kingsbridge 
at low water: it discharged an oured fluid from its 
mouth in great abundance. ^ | 
Spec.2. TEREBELLA CIRRHATA. 
Tas. XII. Fro. 1. ah 
CT. with eleven oral dorsal plates on the anterior articulations. 
Body long, with numerous orange-coloured articulations, fur- 
nished with small peduncles, and at the anterior end with fas- 
ciculi of bristles: branchiæ large and red: mouth with a frill- 
like membrane beneath, and ciliated above. Capillary appen- 
dages four or five inches in Sn cu 
Length nearly twelve inches. = 
Diameter near the head half an inch. 
The tube (which is described in Testacea Britannica under the 
` name Sabella cirrhata) is very fragile ; it is composed of sand and 
clay, and is lodged in the ground, with half an inch projectag 
above the surface. 
This species is gregarious, and is not uncommon on the south- 
ern const of Teton: Bi Lob nbus ¢ 
