410 Verrill, JVotes on Radiata. 



short and thick, with two whorls of large warts on each end, the outer 

 ones terminal. Double-wheels large, little longer than broad, with a 

 rather wide median space ; inner wheels thin, with sharp edges ; outer 

 ones terminal, not half as large, sharp-edged, about as far from the 

 median ones as these are apart. The long double-spindles measure 

 •120""" by -042""", -114 by '045, -117 by -034, -096 by -042 ; the stouter 

 double-spindles '090 by -054, -072 by -048, -078 by -054, -096 by -060; 

 double-wheels "072 by '060, median space -018, diameter of axis -024, 

 terminal wheels '036, space between outer and inner wheels "On. 

 Other double-wheels measure -066 by '060, and -072 by -054. 



Panama and Pearl Islands, 6 or 8 fathoms, — F. H. Bradley ; Gulf 

 of Nicoya,— J. A. McNiel. 



Eugorgia aurantiaca Yernii. (Eugoesia Mexicana v., 1st Ed.). 



Lophogorgia aurantiaca Horn, Proceedings Philadelphia Acad. Nat. Sciences, 1860, 



p. 233 {non Lsptogorgia aurantiaca Edw., 1857). 

 Gorgonia aurantiaca Verrill, Bulletin Museum of Comp. Zoology, 1864, p. 33. 

 Eugorgia Mexicana Verrill, Amer. Journal of Sci., xlv, p. 415, May, 1868. 



Plate V, figure 15, Plate VI, figure 8. 



Corallum forming large densely branched fans, the branches subdi- 

 viding in the same manner as in the preceding species, l)Ut the main 

 branches are longer and less compressed, and the pinnate branchlets 

 are not so close together (usually °25 inch). The branchlets are also 

 larger and somewhat longer, the length being from "25 to 1 inch, the 

 diameter '10 inch. The cells are crowded on all sides of the branch- 

 lets, but form irregular lateral bands on the larger branches. They 

 form rounded prominent verrucas, that are a little larger but not so 

 prominent as in the preceding species, mostly bilabiate. The main 

 branches have a well marked median groove, surface granular, ccenen- 

 chyma thin and friable. Color bright orange, streaked with red; 

 interior of the coenenchyma red. Axis yellowish brown in the larger 

 branches, light yellow and translucent in the smaller branches and 

 branchlets, where it is very slender and rigid. Height 15 inches; 

 breadth 20; diameter of the trunk -18; of the main branches -15. 



The spicula are light red and bright yellow. Longer double-spin- 

 dles slender, acute, with three or four whorls of well-separated Avarts ; 

 stouter double-spindles short and thick, with about two whorls of large, 

 separate warts, the outer whorl nearly or quite terminal, median space 

 wide. Double-wheels small, resembling the stouter double-spindles 

 in size and proportions, with a rather wide median space ; inner wheels 

 not large, with rounded edges, sometimes crenulated or a little warty, 



