93 
20. S. CROWEANA. Broad-leaved Monadelphous Willow. April — May. T? 
Above Barnard Castle, and near Egglestone mill dam. 
21. S. RussELLiANA. Bedford Willow. April — May. Tree. 
On the banks of the Tees. 
22. S. ARGENTEA. Silky Sand Willow. May. 1? 
On the slope of between Kilnsey and Arncliffe. 
23. S. Fuse A. Brownish Dwarf Willow. May. ^ 
Several places near Hull. Near Market Weighton. Vale of 
Pickering. 
24. S. CAPREA. Great Round-leaved Willow. March. 1? 
On Stockton forest, Langwith, and many other places in Y orkshire. 
Brepha notha, and Parthenias, may be found, early in March, hovering over the Catkins on Stockton 
forest. 
The different species of Willow, in the various stages of their existence, afford food to an astonishing 
number of insects. The root, pith, wood, both the inner and outer bark, and leaves, each support nume- 
rous species, in all the different orders from the minute Coccus to the splendid Vanessa Antiopa. The 
following are a few of the most shewy Lepidoptera found on them. Those marked thus * have 
been found in Yorkshire. * Vanessa Antiopa, (the Camberwell Beauty;) Apatura Iris, (the Purple 
Emperor ;) * Smerinthus ocellatus, (the Eyed Hawk ;) Trochilium Crabroniformis, (the Lunar Hornet ;) 
* Cossus ligniperda, (the Goat Moth ;) * Pygeera bucephala, (the.Buff Tip ;) Cerura bicuspis ; * Cerura 
furcula, (the Kitten;) "^Cerura Vinula, (the Puss;) Cerura Ermina ; Leiocampa dictesa, (the 
Swallow Prominent ;) Leiocampa dictaeoides, (the Small Swallow Prominent ;) * Lophopteryx camelina, 
(the Coxcomb Prominent;) * Philodontis palpina, (the Pale Prominent;) Philophore variegata ; 
Petasia Cassinea, (the Sprawler;) * Trichiura Cratesgi, (the Oak Egger;) * Eriogaster lanestris, 
(the Small Egger;) Gastropacha Quercifolia, (the Lappet;) * Leucoma Salices, (the White Satin;) 
* Hypercompa liominula. (the Scarlet Tiger ;) Orthosia gracilis, (the Lead-coloured DrabJ;) * Ortho- 
sia sparsa, (the Powdered Quaker;) Orthosia litura, (the Brown-spot Pinion;) Orthosia (the 
Red-line Quaker;) Orthosia Upsilon, (the Dingy Sheers;) * Ncenia typica, {the Gothic;) * Apatela 
Leporina, (the Miller;) * Acronycta Alni, (the Alder;) * Calyptra Libatrix, (the Herald;) and 
Bombycia Viminalis, (the Minor Shoulder Knot.) 
ORDER LXXV. CUPULIFERA). 
1. FAGUS. 
1. F. SYLVATICA. The Beech. April — May. Tree. 
In woods. 
2. F. CASTANEA. The Sweet Chesnut. May. Tree. 
2. QUERCUS. 
1. Q. ROBUR. British Oak. April. Tree. 
W oods and hedges, frequent. 
2. Q. SEssiLiFLORA. Sessilc-fruitcd Oak. April — May. Tree. 
In woods and hedges, near Richmond. Near Settle. 
