376 ZOOPHYTES. 



DESMOPHYLLUM STELLARIA. (Ehrenberg.) 



D. poUicare, disco semipotticari. Corattum lamellis in \2fasciculas dis- 

 positis, mediis ternis majoribus, subcequalibus. 



An inch in height, disk half an inch broad. Corallum with the lamellae 

 in 12 groups of threes, the middle one larger, all subequal. 



Desmophyllum stettaria, Ehrenb., G. xliv., sp. 2. 



GENUS VI. CULICIA. DANA. 



Caryophyllidce non gemmates, affixes, pumilce, subcylindricce ; polypis 

 Caryophylliis affinibus. Corolla fragilia, extus no?i striata; lamellis 

 inciso-denticulatis ; celld paulo profundd, inter dum vix depressd. 



Non-gemmate Caryophyllidee, attached, quite small and subcylindrical; 

 polyps like those of the Caryophylliss. Coralla fragile and delicate, 

 exterior not striate; lamellae inciso-denticulate ; cell shallow and 

 sometimes scarcely at all excavate. 



The Culiciae have the rostriform mouth and tentacles of the Caryo- 

 phyllise ; but the cells of the tiny cups (their coralla) contain minutely- 

 incised lamellae, the points of which, along with other points at the 

 centre, sometimes fill the whole cell, or form its bottom and sides. 

 The aspect is very peculiar, and united with other characters appear 

 to authorize the institution of a new genus ; in the established groups, 

 the lamellae are either entire, or nearly so. Six larger lamellae some- 

 times stand a little prominent, giving an appearance of a six-rayed 

 star within the cell. Three species were obtained, and the largest 

 was hardly a line and a half in diameter. 



The name of this genus is from xu^iwov, a little cup. 



Arrangement of the Species. 



*1. C. stellata. *3. C. truncata. 



*2. C. tenella. 



