158 
Velates, 96 
Velates conoideus, xxxii. 
Veliger stage, 6, 93 
Velum, 93 
Velutina, 63 
Veneridz (Venus Shells), 35, 
107 
Venus mercenaria, 138, 142 
Venus paphia, xix. 
Venus Shells. See Veneridz. 
Vermetus, 21, 68, 91, 98, 118 
Vermetus lumbricalis, x. 
Verticordia cardiiformis, xx. 
Vertigo angustior, xiii. 
Veronicella, 106 
Visceral ganglia, 8 
Visceral hump, 17 
Visceral loop, 8 
Vitrina angelica, 60 
Vitvina pellucida, xiii. 
Vivaria for Oysters, 139 
Vivipara, 48, 53, 65, 87, 88, 90 
Vivipara contecta, viii. 
Vivipara vivipara, ii., x. 
Viviparidee, 58 
Viviparous Mollusca, 88 
Volsella, 55, 57, 122 
THE LIFE OF THE MOLLUSCA 
Voluta, 63 
Voluta : radula, iii. 
Voluta undulata, ii, 
Vulsella, 63, 80 
Wampum, 142 
Water mains invaded by Mol- 
lusca, 59 
Water Snails 68 
Water-pot Shell. See Brechites, 
Whelk, See Buccinum. 
Window Shell. See Placuna, 
eee Slugs. See Testa- 
cella. 
Xenophora, 122 
Xenophora conchyliophora, xxviii. 
Xenophoridz, 46 
Xesta Cumingit, 124 
Xylophaga dorsalis, xx. 
Xylotyra, bipinnata, xx. 
Yetus diadema, xi. 
Yoldia, 63 
Yoldia myalis, xvii. 
| Zebra Mussel. See Dreissensia, 
