NATURAL HISTORY QUERIES 
'7 
in flower. I collected specimens of each kind and found they amounted to 
seventy-two species. I subjoin a list and amongst the names are many which we 
scarcely expect to find flowering in the first week in November. 
Eliza HRioinwiiN. 
Roses, Hybrids, Monthly and Teas. 
Primula, Primula japonica. 
Polyanthus. 
Double Daisy, Beilis perennis fl. pi. 
Wallflower, Cheirauthus Cheiri. 
Scarlet Salvia, Salvia coccinea. 
Veronica, Verouua decussata. 
Astrantia, Astrantia major. 
Chrysanthemum, Chrysanthemum in- 
dica (vars. ) 
Polygonum, Polygonum Sieboldii 
Dwarf Polygonum, Polygonum molle. 
Foxglove, Digitalis purpurea. 
P'orget-me-not, Myosotis dissitiflora. 
Leycesleria formosa. 
-Ahelia rupestris. 
St. John’s Wort, Hypericum calycinum. 
Japanese St. John’s Wort, Hypericum 
pat Ilium. 
Tutsan, Hypericum Androstcmum 
(vars.) 
Michaelmas Daisy, Aster Novii-Anglice. 
.Stock, Matthiola annua. 
Japanese Anemone, Anemone ja- 
ponica. 
Calceolaria, Calceolaria rugosa. 
Globeflower, Echinops Rilro. 
Fuchsia, Fuchsia gracilis. 
Stork’s Bill, Erodium Manescavi. 
Chili Nettle, Loasa Vulcanica. 
Crane’s Bill, Geranium Endressi. 
Monkshood, Aconilum Napelltis. 
Cosmos, Cosmos bipinnatus. 
Yellow Iceland Poppy, Papaver ntidi- 
caule. 
Orange Poppy, Papaver pilosum. 
Yellow Welsh Poppy, Meconopsis 
cambrica. 
Pentslemon pulchellus (vars.) 
.Scarlet Lobelia, Lobelia cardinalis. 
Cornflower, Rudbeckia speciosa. 
Sneeze-weed, Helenium autumnale. 
White Loosestrife, Lysimachia clethroides. 
White (asmin, J asminum officinale. 
Yellow Jasmin, y asminum nudijlorum . 
Strawberry Tree, Arbutus Unedo. 
Osmanthus Aquifolium. 
Heath, Erica purpurea (var. of 
cinerea). 
Silene odontopetala. 
Heartsease, Viola tricolor. 
Rock Rose, Cistus laurifolius. 
Sedum .Maximowiczii. 
Sedtim spectabile. 
Canterbury Bells, Campanula mediu n. 
Campanula persicifolia. 
Campanuta pusilla. 
Rocket, Hesperis matronalis. 
Filder, Sambucus nigra. 
Snapdragon, Antirrhinum majus. 
Periwinkle, P'inca minor. 
Valerian, Centranthus ruber. 
Violet, Viola odorala. 
Belladonna Lily, Amaryllis Belladonna. 
Plumbago Larpentoe. 
German Lily, Crinum lalifolium. 
Red Avens, Geum coccineum. 
Allium odoratum. 
Ivy-leaved Toad- Flax, Linaria Cym- 
balaria. 
Saxifra^a Fortunei. 
Spiderwort, Trculescantia virginica. 
Eucomis punctata. 
Rosa indica. 
Rubus roseefolius. 
.Strawberry, Fragaria vesca. 
lonopsidium acaule. 
Larks()ur, Delphinium formosu m. 
Phlox decussata. 
Indian Pink, Dianthus sinensis. 
NATURAL HISTORY QUERIES. 
16. Humming in the Air. — A few summers ago, before I had read 
White’s “ Natural History of Selborne,” I was walking, after a hot day, over a 
grassy upland, when I became conscious of a humming noise coming from all 
directions and without any apparent cause. Scarcely an insect was to be seen, and 
no bees were near where bees would congregate for honey, or for other cause. It 
was with much interest that I read Gilbert White’s note on this same phenomenon, 
which he describes as “ amusing him much,” without giving him any satisfaction 
“ with respect to the cause of it.” It would be very interesting to know if this 
question has ever been solved. Is it due to the earth acting as a sort of dia- 
phragm, owing to the surface being w’armed more than the deeper parts, and so 
