CHAP, IV. | THE CRUISES OF THE ‘ PORCUPINE,’ 169 
Five species of Amphihelia are cited by Professor 
Martin Duncan from the ‘ Porcupine’ expedition :— 
A. profunda, Pourraues ; A. oculuta, L. sp.; A. mio- 
cenicd, SEGUENZA ; A. allantica, n. sp.; and A. ornata, 
Lic. 30.—Lophohelia prolifera, PALLAS (sp.). Three-tourvus tue natural size. (No 26.) 
n. sp.; and on one or two occasions, chiefly on the 
verge of the cold area, the henapen tangles involved 
some elegant fragments of the stony coral Allopora 
oculina, EHRENBERG (Fig. 31), 
