300 BULLETIN 82, UNITED STATES NATIONAL MUSEUM 



The specimens recorded by Gisl6n from St. Helena showed the following char- 

 acters: 



1. The dorsal pole of the centrodorsal is 4.5 mm. in diameter. The cirri are 

 about XX, 20-21, 15-17 mm. long. The arm bases are stout. The arm tips are 

 broken. The color is purple. 



2. The dorsal pole of the centrodorsal is 3 mm. in diameter. The cirri are 

 XXXVIII, 24-27, from 20-22 mm. long. The arms are 80-90 mm. long, weakly 

 carinate. P : is 11 mm. long with 25 segments. The color is dark purple. 



3. The dorsal pole of the centrodorsal is 6 mm. hi diameter. The cirri are 

 XXII, 21-25, from 20-22 mm. long. The arms are about 100 mm. long. The 

 brachials in the outer part of the arms have a small eminence distally. P! has 13 

 segments. P 2 has 15 segments. P 3 is 8 mm. long with 14 segments. The color is 

 purple blotched with yellowish. 



4. The dorsal pole of the centrodorsal is 7 mm. in diameter. The cirri are 

 XXIX, 25-27, about 20 mm. long. The arms are about 80 mm. long. The arm 

 bases are stout. The carination of the arms is weak. P! has 21 segments. P 3 is 

 about 10 mm. long with 21 segments. 



5. The dorsal pole of the centrodorsal is 3 mm. in diameter. The cirri are XIII, 

 20-21, 14 mm. long. The arms are 40 mm. long. This is a young specimen. The 

 color is blotched purple and yellow. 



6. The dorsal pole of the centrodorsal is 6 mm. in diameter. The cirri are 

 XLIII, 21-26, from 22 to 26 mm. long. The arms are 170-180 mm. long. Pi is 13 mm. 

 long with 23 segments. P 2 is 13 mm. long with 27 segments. P 3 is 13 mm. long with 

 24 segments. P 8 is 11 mm. long with 24 segments. All the proximal pinnules are 

 smooth and prismatic. The color is blotched as in the preceding specimen, especially 

 on the outer part of the arms. 



7. The dorsal pole of the centrodorsal is 5 mm. in diameter. The cirri are 

 XXXVII, 25-26, from 20 to 21 mm. long. The arms are 75 mm, long. The color is 

 purple. 



8. The dorsal pole of the centrodorsal is 3 mm. in diameter. The cirri are 

 XXXIII, 26-28, from 18 to 25 mm. long. The arms are about 80 mm. long. The 

 color is purple. 



9. The dorsal pole of the centrodorsal is 6 mm. in diameter. The cirri are XXIV, 

 22-27, from 18 to 22 mm. long. The arms are rather extensively broken. The color 

 is blotched in the outer part of the arms. 



10-18. The largest has the cirri XXXI, 28-29, about 27 mm. long, and the arms 

 140 mm. long. In the smallest the cirri are XXIV, 21, and the arms are about 70 mm. 

 long. The brachials have a weak median carination and a small, often yellow, eminence 

 on the distal part of each brachial. In the smaller specimens this eminence is often 

 lacking. 



Color and size. Dr. H. L. Clark said that the first specimens seen at Tobago 

 appeared to be dark purple, purplish brown, reddish brown, or bright brown, but a 

 closer examination showed that uniform coloring was very rare. Almost always a 

 longitudinal dorsal stripe on each arm, or transverse bands of more or less width, or 

 both, are present. The color of these markings is yellow of some shade, often dull 

 and buffy, but not rarely quite bright. In some individuals the pinnules are also 



