NO. 1923. DESCRIPTIONS OF PACIFIC ALCYONARIA— NUTTING. 35 



ning dorsally and distally from the end of the polypiferous border 

 of each leaf, 6 or 8 in each row, diminislimg in size dorsally. 



Spicules: Those in the calyces and polyps are different from any 

 others that I know of in these positions in the genus Pennatula. 

 They are oval, or very short bar-like forms, very minute, seen with 

 difficulty and apt to be entirely overlooked. They form streaks on 

 the dorsal surfaces of the tentacles and encrust the calycine walls. 



Color: The colony is very light yellow, almost cream-colored. 

 The end of stem is reddish-brown. 



Localities.— Stsition 4876; Oki Shima, S. 29° W., 5.3 miles; 59 

 fathoms (type). ?Station 5072; Omai Saki Light, S. 37° W., 11.7 

 miles; 284-148 fathoms. 



Type-specimen.— Cat. No. 30049, U.S.N.M. 



A specimen from the station 5072 has apparently been dried and 

 is therefore hard to identify. It has the general form of tliis species, 

 however, and the very characteristic form of the spicules described 

 above. The leaf borders are carmine red. 



This species bears some resemblance to Pennatula splendens Thom- 

 son and Henderson ^ especially in the form of spicules. 



Genus PTEROIDES Herklots. 



Pennatulidse with well-developed leaves, each of which is supported 

 by thorn-like bony stays radiating outward from its base. Zooids 

 are found on the pinnae, but not on the rachis. 



PTEROIDES SAGAMIENSE Morofi. 



Pteroides sagamiense Moroff, Studien iiber Octocorallien, Zoologische Jahr- 

 bucher, Abth. Syst. Geogr. Biol. Thiere, vol. 17, Heft 3, 1902, p. 366, pi. 18, 

 figs. 11-12. 



There are several specimens in the collection that agree very 

 closely wdth Moroff's description of his "specimen No. 2," and 

 especially in the details of his figure 11, plate 18. 



The colony is very fleshy, the stem thick and straight, and the 

 leaves straight, and directed upward and forward. On the lower 

 part of the rachis the pinnae close over and conceal its dorsal surface 

 completely. Their outer edges are reenforced by strong spine- 

 like spicules in a series parallel to the leaf border. Other similar 

 spine-like spicules are radiated from the bases of the leaves toward 

 the polypiferous zone. The ventral surface of the rachis is thick 

 and turgid, and shows a distinct median furrow. 



The color of the colony (in alcohol) is livid or whitish with large 

 areas of slaty gray. In one specimen this color covers the dorsal 

 surface of the rachis. In others it simply shows through a whitish 

 integument. 



Locality. — Shimizu, Suruga, shore. 



> Alcyonaria of the Indian Ocean, I, Alcyonaria of the Deep Sea, 1906, p. 117. 



