no.1658. ALCYONARIA OF THE CALIFORNIA* COAST w 777 w.\ f^o, 



Distribution. — Station 4378, Point Loin a light-house bearing N. 

 57° E. 11 miles, 458-594 fathoms; Station 1417, S\V. rock, Santa 

 Barbara Island, bearing X. S° W. 6.3 miles. 2\) fathoms; Station 

 4425, E. point San Marcos Island bearing S. 7 E: 218 miles. 1,100 

 fathoms; Station 4432, Brockway's Point. Santa Rosa [sland, bear- 

 ing S. s miles, 275-270 fathoms; Station 4433, Brockway's Point, 

 Santa Rosa Island, bearing S. 10° E. 7.5 miles, 265 243 fathoms; 

 Station 1436, Harris Point, San Miguel Island. S. 7 K. 9.8 miles, 

 L'7I -Nil fathoms. 



This species is abundant and widely distributed on our North 

 Atlantic coast, according to Yerrill. It is also a common species on 

 the eastern shores of the Atlantic and in the North Sea. 



Genus PTILOSARCUS. 

 Calyx with two teeth. Polyps without spicules. 



PTILOSARCUS QUADRANGULARIS Moroff. 



Plate 1.. XXXIV. figs. I Id; Plate l.XXXV, figs. 1-11; Plate XCI, figs. 1-2. 



Ptilosccrcus quadrangularis Moroff, Zool. Jahrb., Abth. Syst. Geog. und Biol. 



Thi.-iv. XVII. IDOL', p. :W5. 



A rather small specimen, in alcohol, measures 200mm. in length. 

 Stem much swollen and longitudinally wrinkled, 93 mm. long and 

 37 mm. in diameter at widest part, which is about 12 mm. below the 

 rachis. Axis 150 mm. long. 



Pinnse 52 <>n each side, the largest being 32 mm. dorso-vent rally, 

 and 27) mm. in greatest width from stem to margin. Polyps in 

 transverse rows on edges of pinine. there being about three rows of .".u 

 each on a medium-sized leaf. Calyces immersed to their margins, 

 each with a distinctly bimucronate margin. 



Zooids: The ventral surface of the rachis is covered with a dense 

 mass of zooids divided by a clearly defined median band. The 

 ZOoids extend around laterally to tin 1 bases of the very short peduncles 

 on which t he pinnae are borne. 



The spicules are of the regular pennatulid type, being long spindles 



or Qeedles without verrucse. They occupy a, band on th Iges of 



the pinna' about 2 to :; nun. in width. 



Color of the above-described specimen, a dull, brownish yellow. 

 The color varies greatly, however, there being some specimens of ;i 

 bright orange red, and others distinctly violet or even purple in color. 



DiMribution. Station 1 120, E. point San Nicholas Island S. 77° W. 

 5.7 mile-. :;:: 32 fathoms; Station 1 122, E. point San Nicholas [sland 

 S. 6° W. 2.5 miles, 31-32 fathoms: Station l pit). M..nterey Bay, 

 Point Pino, light S. 12° E. 10.8 miles. 52 67 fathoms. 



Numerous specimens are also in the collection of the Hopkins 

 Laboratory at Pacific ( rrove. 



Troc. X. M. vol. xxxv 44 



