EEPOET OH THE PENNATULIDA. ^ 



.ooid-like individualB on that part of the margin which runs out upoi the rachis 

 P„lyp!cells ot the large, polyps united iofe.ioriy, ftee at thek ends, wtaeh are sun-ounded 



''' tlSToids, th.ee in number, longitudinally disposed at the base of eaeh pinnul. 

 Latlll .ooids, three to font, at the dorsal side of the ventral zoords along the base of the 

 ninnules All the zooids are small, white, and surrounded by red spicules. 



Ea his smaU. thicker than the stem. Colour ot pinnules and raehrs pale red, p lyp» 

 white Stem white, with a small enlargement at eaeh end. Calcareous needles o the 

 *mon we; *» U nee<Ues of the feather measure 0-53 mm. by 0028 mm. Colour- 

 irTeedteo 0-15 to 0-20 mm, m length, and 0-020 to 0-026 mm. rn br adth are 

 1:21 the cntarreous layer of the upper part of the sta^, and ^e - ^b con am^ 

 minute oblon? and round calcareous corpuscles of 3 to 12 ^ The Challenger collee 

 rncltains^two specimens of this Pennatnlid, one pretty well preserved and a second 



in a fragmentary state. a. b. 



44 mm. 51 

 Length of tlie feather, ..■•■" ^i 20-5 



Length of the stalk, ••■•■■ -j^^ 



Length of the pinnules. 



Breadth, 



Breadth of the rachis. 



2 ■5-3-0 

 1-5 



H«fe-«a,.-Station 235, .south of Japan, lat. 34' 7' N., long. ISS" 0' E. Depth, 

 565 fathoms. Bottom temperature, S'-S C. June 4, 1S75. 



3. Pennatula murrayi. n. sp. (PI. 11. figs. 6, 7) pi,,„„les 



Small yeUow and red in colour. Pen twee and a half as long as the sttlk. 1 inmUc 

 1 Jd e triangular, transparent, with nine to ten polyps on the. marg.n ; calyces ,.th 

 wrtel'oped spines. Zoords ventral and lateral, the ventr-al of two kmds, two huge at 

 reb,rrf^-aeh pinnule and many smaller, forming one longitudma row on each srde 



plnrL lanceolate, thin, transparent, yellow, with a vernn bon-co oured ventra 

 borcfer wenty-one to twenty-two in number, attached nearly parallel to the long.tudm 

 axL of tbi rachis. but so that the dorsal upper end of then- base reaches the do.al rmddle 



""'polyps nine to ten on the more developed pinnules, placed in one single row on the 

 dor. d mroin ; calyces the colour of minium, with eight well-developed spmes 



Lar«r sly and reddish »oids, two in number, are situated at the base ot ead, pnn nta 

 tot opposite the middle part; smaller and whitish rudimen.arj- polyps are disposed „, 

 ine sto'lerow on each side between the larger ones. Zooids ot the same kmd ar-e also 

 Plac Ittcrlllv between the pinnules in a single or partly double row. so that they a^ 

 S y vi ble from the ventral side ot the feather. The lower part of the rachrs of the onlj 



