ON RECENT POLYZOA. 501 
Membranipora 
bicolor, Hincks. 
calpensis, Hincks. 
Carteri, Hincks. 
catenularia, Jameson (Pyri- 
pora), Busk. 
cervicornis, Bush. 
circumclathrata, Hincks. 
corbula, Hincks. 
coronata, Hincis. 
cornigera, Busk. 
corniculifera, Hincks. 
crassimarginata, Hincks. 
craticula, Alder. 
curvirostris, Hincks. 
cymbeeformis, Hincks. 
delicatula, Busi. 
denticulata, Macgil. (Celes- 
chara, Busi). 
discreta, Hincks. 
distorta, Hincks. 
Dumerilli, Aud. 
echinus, Hincks. 
exilis, Hincks. 
favus, Hincks. 
Flemingii, Busk. 
flustroidis, Hincis. 
granulifera, Hincks. 
Haswellii, Hincks. 
hexagona, Busk. 
hians, Hincks. 
horida, Hincks. 
embellis, Hincks. 
inarmata, Hincks. 
inornata, Hincks. 
Lacroixii, Aud. 
levata, Hincks. 
lineata, Linn. 
mamillaris, Lame. 
manuscula, Hinciis. 
marginella, Hincks. 
membranacea, Linn. 
» form serrata, Hincks. 
minax, Busk. 
monostachys, Bush. 
Var. a, fossaria, Hincks. 
nigrans, Hincks. 
nitens, Hincks. 
nodulifera, Hincks. 
nodulosa, Hincks. 
pallida, Hincks. 
patula, Hincks. 
pedunculata, Manzoni. 
Membranipora 
perfragilis, Hincks. 
permunita, Hincks. 
plana, Hincks. 
pilosa, Linn. 
Var. a, dentata, Hincks, 
» , laxa, Smite. 
» y; foliacea, Hinciis. 
», form multispinata, 
Hincks, 
polita, Hincks. 
protecta, Hincks. 
punctigera, Hincks. 
pura, Hincks. 
pyrula, Hincks. 
radicifera, Hincks. 
roborata, Hincks. 
Rosselii, Aud. 
rubida, Hincks. 
sceletos, Busk. 
setigera, Hinciis. 
solidula, Alder. 
Sophie, Busk. 
a form matura, ITincks. 
spinifera, Jolnstov. 
spinosa, Quoy & Gayin. 
tenella, Hincks. 
tenuirostris, Hincis. 
terrifica, Hincks. 
trichophora, Hincks. 
trifolium, S. Wood. 
. var. quadrata, Hincls. 
» minor, Hincks. 
unicornis, Fleming. 
valdemunita, Hincks. 
variegata, Hinchs. 
velata, Hincks. 
villosa, Hinclis. 
vitrea, Hincks. 
Membraniporella, Smitt (pt.), 
(Genus 61). 
melolontha, Bush. 
nitida, Johnston. 
Menipea, Lamz. (Genus 10). 
aculeata, D’Orb. 
arctica, Busi. 
benemunita, Busk. 
Buskii, Wyv. Thomson. 
clausa, Busi. 
cirrata, Laine. 
compacta, Hincks. 
Var. triplex, Hincks. 
cyathus, Wyv. Thoms. 
