INDEX. 
Important references are in italics, synonyms and unimportant references are in roman type. 
Alcinoé, 26, 34 
rosea, 26 
vermicularis, 21 
vermiculata, 26 
Anais, 20 
Anatomy, 2 to 5. 
Beroé, 48 
albens, 49 
capensis, 49 
clarkii, 49 
cucumts, 52 
globigereux, 10 
octoptera, 9 
ovata, 49 
pandorino, 54 
pileus, 10 
punctata, 49 
roseola, 52 
shakespeari, 49 
Beroide 6, 47 
Bolina, 20 
alata, 21 
elegans, 24, 34 
hydatina, 22, 25 
littoralis, 33 
norvegica, 21 
septentrionalis, 21, 22 
Bolinopsis, 20 
infundibulum, 21 
vitrea, 22 
Callianiride, 18, 42 
Calymma, 37 
treviriani, 37, 40 
Calymnide, 18 
Cestide, 6, 42 
Cestum, 43 
amphitrites, 36, 44 
pectenalis, 36, 44 
veneris, 44 
Cestus veneris, 44 
Chaija, 34 
Ciliary movement, nature of, 25, 26, 30 
Ceoeloplana, 6, 55 
Commensal plant cells, 36 
Ctenophores feeding upon young cod, 7; 
other ctenophores, 54; young scul- 
pin, 9 
Ctenoplana, 6, 55 
Cydalisia, 48 
Cydippe, 9, 14 
cucullus, 8 
densa, 15 
hormiphora, 15 
ovum, 8 
pileus, ro 
plumosa, 15 
Cydippide, 5,8 
Deiopea, 37, 40 
Destructive contractions in Folia, 46 
Development of: Beroide, 47, 50, 53, 543 
Bolinopsis, 22; Cestum, 45; Eurham- 
phza, 42; Leucothea, 35; Mnemiopsis, 
28; Ocyropsis, 39; Pleurobrachia, 12;: 
Tjalfiella, 55 
Enemies of ctenophores, Beroé, 54; scypho- 
medusz, 32 
Eucharis, 34 
multicornis, 35 
Eurhamphea, 40 
vexiligera, 40, 4I 
Folia, 46 
parallela, 46 
Ganesha elegans, 5 
Ganeshidae, 5 
Geographical distribution, 1, 2 
Habits of: Ctenophores, 6; Eurhamphea,. 
42; Folia, 46; Pleurobranchia, 13; Leu- 
cothea, 36; Mnemiopsis, 30; Tinerfe,. 
17; Tjalfiella, 55 
Heat reactions, 54 
Hormiphora, 14 
plumosa, 25 
spatulata, 14 
Idya, 48 
borealis, 52 
communis, 52 
mertensii, 49 
Idyia, 48 
cyathina, 52 
roseola, 52 
Idyiopsis, 48 
affiinis, 49 
clarkii, 49 
Lesueuria, 19 
hyboptera, 19 
vitrea, 19 
Leucothea, 34 
grandiformis, 36 
multicornis, 35, 36 
ochracea, 35 
Lithocysts, structure of, 30 
Lobate, 5, 18 
Medea, 48 
arctica, 52 
fulgens, 52 
Medusa infundibulum, 49 
Mertensia, 8 
cucullus, 8 
ovum, 8 
scoresbyi, 8 
57 
