184 



ASTROPHYTON CARYL 



LIST OF SPECIMENS. 



Astrophyton Caryi Ltmax. 



Astrophyton Caryi Lyman. Proceed. Boston Soc. Nat. Hist., VII. p. 424. 1860. 



Special Marks. — Disk very distinctly granulated above, without 

 spines. Finer granulation at the outer side of the mouth-angle, and 

 along the edge of the genital slits. 



Description of a SjKcimen. — Diameter of disk, 35""° ; from outer 

 side of madreporic shield to outer corner of opposite mouth-slit, IG""""-; 

 width of arm at base, from 9""°- to 13°"°-. Distance of the different 

 forks from each other : — 



First 



Second 



Third 



Fourth 



Fifth 



Sixth 



Seventh 



Eighth 



Ninth 



Tenth 



Eleventh 



fork to 



second, 13™™ 



third, 10 



fourth, 22 



fifth, 12 



sixth, 14 



seventh, 13 



eighth, 9 



ninth, 8 



tenth, 8 



eleventh, 6 



end, 1 



\W 



Distance from outer side of madreporic shield to inner points of mouth- 

 papillse, to that between outer corners of mouth-slits, 11:5. Madre- 

 poric shield veiy indistinct, oval, irregular, longer than broad. Teeth, 

 tooth-papilla?, and mouth-papillse stout, regular, conical, about twenty- 

 four in number ; those near the outer corners of the mouth-slits rather 



