150 VERRILL, CLASSIFICATION 



EUPSAMMTA STIMPSONII Yen-ill. 



Coral free, elongated, turbinated, blunt at base. Calicle 

 oval, deep ; columella well developed, septa broad, the 

 principal ones with entire inner edges, rounded. Length 

 an inch or more; breadth of cell .30 



Interesting as a living representative of a genus 

 hitherto known only in the fossil state. 

 North China Sea. Dr. Wm. Stimpson. 



METRIDIUM FIMBRIATUM Verrill. 



A species closely allied to M. marginatum of this coast, 



'but apparently more elongated, with longer and more 



slender tentacles which are almost hair-like. Disk within 



the tentacles narrow. " Color pale orange, translucent, 



body punctate with dark brown, mouth deep orange." 



San Francisco, Cal. Dr. Wm. Stimpson. 



PHELLIA COLLARIS Verrill. 



Edwardsia collaris Stimpson, Proc. Philad. Acad. Nat. Science. May 

 and June, 1855. 



A species remarkable for its great size compared with 

 previously known species from Europe. 

 Hong Kong, China. Dr. Wm. Stimpson. 



PHELLIA CLAVATA Verrill. 



Edwardsia clacata Stimpson, 1. c. 1855. 



A species even larger than the last. 

 Near Ousima, Japan. Dr. Wm. Stimpson. 



AMMONACTIS nov. gen. 



Column elongated, subcylindrical, with well developed 

 basal disk, covered, as in Phellia, with a persistent epidermis 

 extending to near the summit, naked above ; but differs in 

 having a lobe-like tubercle below each tentacle, distinct 

 from the margin. Tentacles long and numerous. 



