366 
INSECTA. 
THyYsANuURA (Bristle-tails), 
Campodea staphylinus, Woodw. Orchid houses. Coll. J. James, 
Lepisma saccharina, Linn. “ Silver-fish.” Tropical fern house, 
Coll. H. Green. One of the most primitive of insects. 
~EThermitobia domestica, Pack. Coll. H. Green. Previously re- 
corded from the Royal Botanic Gardens, Edinburgh. 
CoLLEMBOLA (Spring-tails). 
Orchesella villosa, Geof. Fern houses. Coll. J. D. Snowden. 
Tomocerus plumbeus, Zinn. Orchid houses. Coll. J. James. 
DIPTERA. 
Bibio marci, Z. Q. Propagating pits. Coll. H. Downer. 
Chironomus? plumosus, Z. $. Propagating pits. Coll. A. Aubrey. 
— piviess, L. Q. Herbaceous grounds. Coll rving 
One e blood-sucking pec of gnats or mosquitos, widely 
Seth i in and beyond 
Theobaldia annulata, oaidd x Q. Said to suck fluid of plants, 
but sometimes also sucks blood, inflicting a severe bite. 
Syrphus ribesii, . In office. 
Eristalis tenax, Z. Coll. J. Mingay. Larva of the Drone fly, 
found in wood. The larvae are known as Rat-tailed maggots. 
Myiatropa florea, 1. In fern houses. Coll. T. G. Bullock. 
Fairly common, larvae found in hollows in stems of beech trees. 
COLEOPTERA. 
W. E. SHarp. 
(British species.) 
HyDRADEPHAGA., 
Agabus affinis, Payk. Coll. J. James. A water beetle rare in 
Britain, of discontinuous but generally northern distribution. It 
oceurs at Esher, and has probably flown thence to Kew. 
BRACHELYTRA, 
Tachyporus solutus, Er. Coll. H. Downer. Generally common 
in moss, &c. in Britain, 
Philonthus fimitarius, Gr. Coll. H. Green. A yey common 
and widely distributed species in refuse of various kinds 
Trogophloeus pusillus, Gr. Coll, H. ee J. Donisthorpe. This small 
beetle has probably flown to the propagaiing pits, where it was 
found, from the tanks of ¢ the east its natural habitat being the 
muddy margins of ponds or rivers, 
