The rather bristly caterpillar is light brown with a pinkish tinge; the back is marked with browner diamonds and some black dots, and there is a yellow stripe along the sides. It feeds on moss (Hodgkinson, _Entom._ xxviii. 241) growing in damp places, hibernates when quite small, and reappears about April, when it seems to prefer the fruit of the moss, but will also thrive on chickweed. The moths appear from the end of June, and may be found, but in wasted condition, up to early September. The species is extremely local, and in its secluded haunts may be found on the trunks of holly and yew trees, or it may {212} be disturbed from the branches of such trees, or from hedgerows, etc. In Britain the species seems to have been first noted in Castle Eden Dene, Durham (1825), and subsequently in Cumberland (Flimby, near Maryport), Westmorland, Lancashire (Arnside and Silverdale), Yorkshire (Scarborough), Derbyshire (Dovedale), Arthog in North Wales, and Tintern in Monmouthshire. The only English locality for it south of Monmouth is Watersmeet, near Lynton, in North Devon. In Scotland, it has been noted from Rannoch and Pitlochrie, in Perthshire, and from Dalmallin, in Argyllshire. It has a wide distribution in Ireland, and is common in some parts of that country, as at Killarney, Co. Kerry, and Rockwood, in Sligo. Abroad, the range extends to Amurland; it is represented in Japan by _fulvida_, Butler, and in North America by _basaliata_, Walker. YELLOW SHELL (_Camptogramma bilineata_). This very common and generally distributed species is subject to a good deal of variation in the tint of ground colour, and also in the greater or lesser amount of black marking. On Plate 85 six specimens are shown; Figs. 4, 5 represent the more frequent form in most localities, but in many districts ab. _infuscata_, Gumppenberg (Fig. 6), is hardly less common; in some specimens the central band is entirely blackish, and occasionally the middle area of the band is partly or wholly whitish. Sometimes the wings are uniformly yellow without markings, but such aberrations are scarce, or have not been noted often. A small form occurring in the Hebrides and the Shetlands, var. _atlantica_, Staud., has the wings generally darkened; Figs. 7-9 depict three specimens from the Isle of Lewis. Portraits of two very local Irish forms will be found on Plate 61; one is ab. _hibernica_, Prout (Fig. 5), and the other approaches the dark ab. _isolata_, Kane (Fig. 6). [Illustration] 2 Pl. 86. 1-6. JULY HIGHFLYER. 7-10. MAY HIGHFLYER. 11, 12. RUDDY HIGHFLYER. [Illustration] 2 Pl. 87. 1. JULY HIGHFLYER: _eggs and caterpillars_. 2. MAY HIGHFLYER: _caterpillar_.