Teredinids, xxxii., 93. 
Teredo, xxxii. 
megotara, 93. 
navalis, 93. 
norvegica, 93. 
Testacella, viii., 2. 
Sear 2. 
Maugei, 2. 
Testacellida, viii., 2. 
Tectibranchiata, xxvi. 
Theba, x., 9. 
Cantiana, x., 9. 
carthusiana, x 
Thecacera, 27, 
pennigera, 27. 
Thracia, xxxii. 
convexa, 94, 
distorta, 95. 
papyracea, 94. 
phaseoclina, 94. 
pubescens, 94. 
Todarodes, viii. 
sagittatus, viii. 
Tonicella, xxiv. 
marmorea, xxiv. 
ruber, xxiv. 
Tornatinida, xii., 28. 
Tornatella, 28. 
fasciata, 28. 
Toxoglossa, xiv., 92. 
Trachydermon, xxiv., 62. 
albus, xxiv. 
cinereus, xxiv., 62. 
marginatus, xxiv. 
Trichotropide, xvi. 
Trichotropis, xvi. 
borealis, xvi. 
Triforis, xvi., 38. 
perversus, xvi., 38. 
plicatus, xvi. 
Triopa, 27. 
clavigera, 27. 
Triton, xv. 
Tritonofusus, xiv. 
fenestratus, xiv. 
racilis, xiv. 
effreysianus. xiv. 
islandicus, xiv. 
propinquus, xiv. 
Trivia, xvi. 
europea, xvi., 37. 
109 
Trochide, xxi. 56. 
Trochus, xxi. 
erythroleucos, 59. 
exiguus, 59. 
nulatus, 58. 
ineatus, 57. 
magus, 57. 
egranus, 58. 
Montacuti, 59. 
Montagui, 59. 
papillosus, 58. 
striatus, 59. 
tumidus, 57. 
umbilicatus, 57. 
su pats 58. 
Trophon, xv. 
barvicense, xv. 
Gerversianum, xv. 
magellanicum, xv. 
muricatum, xv. 
truncatum, xv. 
Troschelia. 
Berniciensis, xiv. 
Truncatella, xviii. 
costulata, xviii. 
laevigata, xviii. 
Montagui, 48. 
subcylindrica, xviii., 48. 
truncatula, xviii. 
Tubiola, xxii. 
Turbinide, xxi., 56. 
Turbo. 
costata, 43. 
fontinalis. 47. 
insculpta, 54. 
juniperi, 14. 
laminatus, 16. 
lineatus, 56. 
muscorum, 14. 
nautileus, 23. 
perversa, 16. 
pullus, 56. 
terebra, 39. 
tridens, 18. 
Turbonilla, xx., 54. 
fenestrata, 55. 
indistincta, 54. 
Jactea, xx., 59. 
rufa, 55. 
spiralis, 55. 
plicatula, xx. 
Turritella, xvi., 59. 
communis, 39. 
terebra, xvi. 
Turritellide, xvi., 39. 
Turtonia, xxx., 75. 
minuta, 75. 
Truncatellida, xviii., 48. 
