242 



straight, parallel to the longitudinal axis of the pinnule 1 w<-st 

 iast " t rierra del Fu eg o a n d so u th western Chil e a nd 

 the adjacent islands from Na var in I si and northward 

 to rom Bay, in 5O o8'3o"S., ;\ p oo W.; 22 -326 Metres) magellanica 

 ossicles of th<- IBr series and first two brachials with spinous borders, and 

 with .1 r or lesser development of spines on the dorsal surface 



d 1 1' to I', distinctly swollen in the first five or six segments, noticeably 

 mo nder bevond; basal segments with their distal angles but 



slightly truncated, so that their distal border is relatively long and 

 straight, parallel to the longitudinal axis of the pinnule; spines on the 

 of the IBr series and fust two brachials never very numerous 

 nor long (west coast of Tierra del Fuego and South- 

 west e r n C h i 1 e and the adjacent islands, f r o m N a v a r i n 

 Island northward to Toni Bay, Patagonia; 22 — 326 



Metres) magellanica 



d : proximal pinnules not swollen basally, P, and P, being extremely 

 slender throughout their entire length, their basal segments usually 

 with the distal angles deeply truncated so that the dorsal border is 

 narrowed to a slightly rounded point which as a rule is crowned 

 with a few spinelets; sometimes these segments have a very spinous 

 carinate process 



e 1 third syzygy almost invariably between the i6 th and 17* brachials; 

 ossicles of the IBr series and lower brachials very spiny (Puget 

 Sound to southern California; 27 — 357 Metres) . . . serratissima 

 e" position of the third syzygy variable, between the ia 11 ' and i5 lh , 

 1 5 th and ió th or i6 th and 1 7 th brachials; spinosity of the ossicles of 

 the IBr series and lower brachials moderately developed (eastern 

 coast of Japan, from Sendai southward to Sa ga mi 

 Bay; 126 — 606 Metres) mariae 



1 . 



Florometra magellanica (Bell). 



BELL. Proc. Zool. Soc. London, 1882, p. 651, text fi xhrichti var. magellanica). 



( HlERi ma. Revista marittima, vol. i<S, 1885, p. 9 {Comatula sp.). 



1'- H. < ARPl Biji tot Dierkunde, All. 13, 1886, p. 4 [Antedon magellanica). 

 "Challenger" Reports. Comatulae, 1888, pp. 138, 149, 376 {Antedon magellanica); p. 148, 



pi. 12, figs. 1, 2; pi. 24 Intedon rhomboidea). 



HARTLAUB. Buil. Mus. Comp. Zool., vol. 27, 1895, X" 4, p. 139, (Anteden rhomboidea, part; 



cimen co^lected l>y Dr REHüERG in Smyth's Channel, but no those from Panama). 

 LUDWIG. Hamburger Magalhaensische Sammelreise, Lief. 4, 1 noiden, p. 1 {Antedon 



rhomboi 



1 . ' :imens at hand from Cape 



innule almost <>f the 



