rSDEX. 
445 
Pisidium — see Cyclas ' Stenogyra caracasensis, 21 
Physa rivalis, 28 coronata, 239 
Planorbis terverianus, 27 plicatella, 239 
Plantsin the Botanic Gardens, 251 Strableps tetropthalmus, 225 
Plekocheilus auris-sciuri, 19 Streptaxis deformis, 23 
Poisonous fishes, 190, 210, 227 Stone on Burial, 179 
Population, 90 
Port-ofSpain,DeVerteuil on, ] 
Predictions of Weather, 428 
Production, 95 * ' 
Public Library, 408 
Pupa bicolor, 23 
eyriesi, 23 
— — uvulifera, 243 
auriformis 243 
Purpura trinitatensis, 366 
.Rainfall, 203 
Report for 1866, 73 
— 1867,196 
— 1863, 357 
Rhynchoprion penetrans, 63 
Rivulus raicropus, 225 
Rules, 245, 439 
Saint Lucia, 387 
Saint Vincent, 387 
Saut d’Eau, 393 
Scalaria leroyi, 168 
Schools 92 
Scientific Knowledge, 74 
Shells — see Molluska 
Simpulopsis corrugatus, 24 
Solarium semidecussatum. 170 
Spiraxis simplex, 238 
Spondyles bostrichites, 176 
Statistics, 90 
Stenogyra octona, 21 
octonoides, 21 
Succinea approximans, 15 
)4 Sugar, 95, 141, 184, 369 
Sulphites, 5, 80, 139, 199 
Sulphur springs, 381' 
Tanager, scarlet, 20S 
Thraeia dissimilis, 368 
Tornatellina lamellata, 20 
Triforis guttata, 170 
Trinidad, molluska of, 10, 135, 
237, 365, 366, 405, 406 
— — plants of, 251, 363, 401 
bibliography of, 48 
voyage round, 361, 393 
— birds of, 82, 208 
fossils of. 142, 205 
fishes of, 177, 224 
public library, 40S 
Trochus decipiens, 172 
— * plicomphalus, 173 
Turritella planigyrata, 169 
Vermetus trilineatus, 170 
Veronicella laevis,l 5 
Yitrinella marginata, 173 
Volcanic formations, 387 
Weather, 428 
Webbe on the Weather, 428 
Yuruari Goldmines, 182 
Zonites guildingi, 240 
implicans, 240 
umbratilis, 240. 
