542 



Transactions. 



Paractis fleurei, sp. nov. 

 Adherent : marsiin irregular and crenated. 



Usually 



Pedal Disc. 

 imbedded in crevices in tlie rock. 



Column. — Lower part hyaline. Pale at the base, olivaceous above. The 

 upper can be inverted within the lower. It is whitish, with faint-yellow 

 lines. 



Oral Disc. — Transparent, with markings that vary in different indi- 

 viduals. These markings may be white lines or a pattern of scarlet, 

 yellow, and white. There are scarlet spots at the bases of the primary 

 tentacles. 



Tentacles. — These are slender, of a semi-transparent white, opaque at 

 the bases. They are from 70 to 80 in number. 



Sphincter Muscle. — This is imbedded in the mesogloea, and is some- 

 what pendulous. In transverse section it resembles the profile of a chick's 

 head (fig. 1). 



Stomodoe.um. — White, slightly ribbed. 



Mesenteries. — There are 21 pairs, evenly arranged ; 12 pairs are perfect, 

 2 of these pairs being directives (Plate XLIII, fig. 1). 



Gonads. — None were present in the specimens from which our prepara- 

 tions were made. 



Locality, &c. — Pukeroa. Occurs well up between the tide-marks, and 

 expands in full sunlight. 



Bunodes rosea, sp. nov. 



Pedal Disc. — Adherent to rocks. 



Column. — Olive-green, orange-brown, or umber. Covered with warts ; 

 most numerous about middle of column. The warts have suckers, to 

 which particles adhere. There is a row of 

 white spherules on the margin. ! i ■: . ■ R • 



Oral Disc. — Yellowish-white, with 12 dark- 

 umber rays, united in the middle of the disc 

 by a circle of the same colour, thus producing 

 a wheel-like pattern. The rays bifurcate. 



Stomodceum. — The mouth is raised on a 

 cone, and there are 2 siphonoglyphs, edged 

 with white. 



Tentacles. — In three cycles, 40 to 50 in 

 number; probably 12-1-12-1-24 in normal 

 specimens. They are thick at the base, and 

 taper to a point. The colour is rosy red, 

 brightest at the tip and dull umber at the 

 base. They are irregularly marked on the 

 inner surface with bars and spots, t. ^^-.T, 



Sphincter Muscle. — Endodermal, circum- 

 scribed and somewhat flattened (fig. 2). 



Mesenteries. — In our preparations there 

 were 18 pairs. Of these, 9 pairs were perfect, 

 2 pairs being directives. 



Gonads. — The specimen sectioned was a 

 male, containing 4 fertile pairs of mesenteries, 

 each with manv spermaries (Plate XLIII, 

 fig. 2, and Plate XLIV). 



Sphincter 

 ■ Endoderm 

 Mesogloea 

 Ectoderm 



Fig. 2! — Bunodes rosea. 



