146 ZOOPHYTES. 



Subcylindrical, 2 inches in diameter, exterior smooth, upper and 

 lower extremities sparingly dilated, margin of base slightly undu- 

 late; tentacles throughout remotely scattered, turgid, 3 lines long; 

 mouth small, circular, 5-cleft : form of animal when contracted very 

 much depressed, convex. 



Plate 4, fig. 32, expanded animal, natural size ; a, upper view of 

 the disk ; b, animal contracted. 



From rocks, on the shores of Orange Harbour, Terra del Fuego. 



The tentacles in this species have nearly ' the form of a grain of 

 wheat," and are of a grass-green colour ; they are scattered over the 

 disk about a line or a line and a half apart, and nearly in five series. 

 The disk is of a bright orange colour, and the body externally a 

 darker orange, with transverse parallel lines or markings of dark 

 brown ; the mouth is but little elevated, 5-lobed, and of a pale orange 

 colour, with quite a small opening. J. P. COUTHOUY. 



ACTINIA NYMPH^EA. (Drayton.} 



A pumila, 8'" alta, extus kvis, infra supraque dilatata (1"), basi bene 

 crenata, crenaturis 1J'" latis, lateribusque pariter lineis verticalibus 

 notata ; tentaculis brevibus (2-2"'), 3-seriatis, exiguis, ore promi- 

 nulo, i" oblongo : contractd, truncato-conicd valde depressd. 



Small, 8 lines high, exterior smooth; upper and lower extremities 

 dilated (1 inch in breadth); margin of base regularly crenate, cre- 

 natures a line and a half broad, sides correspondingly marked with 

 vertical lines ; tentacles short (2-2 lines in length), in 3 series, 

 slender; mouth a little prominent, and one-sixth of an inch long : 

 the form of the contracted animal a very low depressed truncated 

 cone. 



Plate 4, fig. 33, expanded animal, natural size ; a, the same con- 

 tracted. 



Valparaiso, Chili. Exp. Exp. 



This species has a whitish exterior, marked vertically with pale 

 ochreous lines, about a line and a half apart. The disk is of a pale 



