32 Coil. 
CCELENTERATA. 
Ilyanthidji. 
Halcampa kerguelensis , n. sp., Kerguelen I. ; Hertwig, p. 28, pi. ii, 
fig. 5. 
Halcampella maxima , n. sp., Philippines ; id. p. 29, 
Incert.® sedis. 
Myriactis, n. g. : endodermal muscles slight, strong mesenteric 
retractor ; tentacles numerous, long, subequal, polycyclic ; marginal row 
papilliform ; mesenteries numerous, complete, all with reproductive 
organs ; wall smooth below, with suckers above ; for M . tubicola, n. sp., 
Mergui Archipelago ; Haddon, p. 248, pi, xix. 
Folyparium is derived from an ordinary bilateral Anthozoan ; in, e.g ., 
a young Halcampa the aboral end becomes a broad basal disc, the ten- 
tacular wreath multiple, the breadth increases, mouth and oesophagus 
disappear, and the tentacles shorten and are perforated ; finally, suckers 
appear on the base ; Haacke (1). P. ambulans , general sketch of ; 
Bernard, Perrier. 
iEGIREiE, n. tribe. 
Actiniaria “with a perfect body-cavity (coelome) and a developed 
digestive apparatus, consisting of oesophagus, intestine, and anus,” for: — 
^Egiridjc, n. fam. 
“ AEgirece , whose body is cylindrical, vermiform ; 12 single septa, with 
the coelome divided into 12 longitudinal chambers,” for : — 
JEgir, n. g. : “ The body elongate, cylindrical, with a mucous vaginal 
covering and 12 longitudinal ribs, botwcon which small suckers aro 
scattered. One cycle consisting of a few tentacles. In the posterior 
part of the iutestinal canal (rectum), immediately above the anus, 12 
slender fissures communicatiug directly with the intestinal passage. 
12 equally situated perfect septa. Endodermal circular muscles. Her- 
maphrodite for JE. frigidus, n. sp., N. Atlantic; Danielssen, p. 12, 
pis. ii, figs. 1, 5-11, & iii. 
Fenja, u. g. : “ The body cylindrical, elongate, furnished with 12 
longitudinal grooves, between which 12 lougitudinal areas covered with 
suckers. A series of a few retractile tentacles. Anus. 12 perfect 
septa. 12 lougitudinal muscles, between which strongly prominent 
transversal muscles. 12 genital pores around the anus, outside the 
rectum. Mesodermal circular muscles. Hermaphrodite for F. mira- 
bilis, n. sp., N. Atlantic; id. p. 3, pis. i, figs. 1—14, & ii, figs. 2-4. 
PARACTINIiE. 
SlCYONIDJE. 
Siryoni8 elnngata, n. sp., N. Pacific, 2900 fath. ; Hertwig, p. 33. 
