58 INDEX 
Mnemia, 20, 26, 40 
schweiggeri, 26 
Mnemiide, 18 
Mnemiopsis, 26 
gardeni, 33 
leidyi, 26 
mecradyi, 31 
Movements of muscles, effect of ions 
upon, 26, 32 
Muscular system, physiology of, 26 
Neis, 47 
Nervous system, histology of, 7, 23, 523 
physiology of, 7, 30, 49 
Obsolete generic names, 2 
Ocyroé, 37 
crystallina, 38 
maculata, 40 
tachee, 40 
Ocyropsis, 37 
crystallina, 38 
fusca, 39 
maculata, 40 
‘Orders of Ctenophore, 5, 6 
Pandora, 48, 49, 54 
flemingii, 54 
Parasitic actinian larvee in Mnemiopsis, 28 
Partial larve, development of, 51 
Phosphorescence of Mnemiopsis, 28 
Physiology, 7, 25, 26, 30, 31, 32, 46, 49, 
51, 52. 
Platyctenida@, 6, 55 
Pleurobrachia, 9 
bachei, 10, 13 
brunnea, 14 
pileus, 10 
rhododactyla, 10 
Pleurobrachiide, 8 
Poison of Beroé, 49 
Eurhamphea? 42 
Rangia, 48 
Regeneration, 52 
Relationship of: Beroide, to Cestide, 47; 
Cydippide to Lobate, 18; Cydip- 
pide to Platyctenide, 55 
Sense of equilibrium, 30, 37, 52 
Sex cells, ectodermal origin of, 14 
Species, list of, 1 
Stimuli, chemical, 7, 30, 32 
electrical, 30 
mechanical, 7, 49 
Teeniate, 42 
Tinerfe, 16 
beehleri, 17 
cyanea, 16 
lactea, 17 
Tjalfiella tristoma, 55 
Ute, 16 
Vexillum, 46 
parallelum, 46 
Volvox beroé, 21 
