A NEW SPECIES OF CCENOCYATHUS FROM CALIFORNIA 

 AND THE BRAZILIAN ASTRANGID CORALS. 



By T. Wavlam) Vaughax, 



X:u!<lodkin (if Madrepornruin Corals, T. ,V. Xational Museum; (,'eologist, U. S. (Jeological 



Snrreii. 



I. A NEW SPECIES OF CCENOCYATHUS FROM CALl- 



. FORNIA. 



CCENOCYATHUS BOWERSI, new species. 

 Plate LXXVII, %s. 1-8. 



(yoralluni forniinii- ;i fiiuiip of rather low eorallites, reproduction l)v 

 lateral semination. The free portions of the eorallites are cylindrical 

 or gratlually enlarged upward, varying from 3. .5 to 7.5 mm. in height. 

 Transverse outline of the calices subcircuhu' or slightly com])ressed, 

 diameter from 4. .5 to nearly T mm. Externally costate; the costie 

 equal,. low, flat, and granulate, separated l)y narrow, slightly impressed 

 intercostal furrows. 



In the larger calices the fourth Q,y<AQ of septa almost complete, pri- 

 maries and secondaries of practically the same thickness and length, 

 moderately stout, teiiiaries and (juaternarics usually rather thin. Sep- 

 tal margins entire, very slightly exsert. Septal faces densely and 

 coarsely granulate. Pali strongly developed liefore the penultimate 

 cycle, reseml)ling those of CanjophyUla; they are usually nuich thicker 

 than the septa l)efore which they stand, and are about half as long. 



Calice excavated, rather deep, abruptly depressed in the center. 

 Columella well developed, composed of one or a few twisted oj- cui-led 

 laths. 



Locality.— "S'Au Miguel Island, California. 



Type.— Cut. No. 21,138, U.S.N.M., donated by Dr. Stephen Bowers, 

 of Los Angeles, California. 



ProceSdings U. S National Museum, Vol. XXX-No. 1477. 



S4; 



