144 THE YOUNG 



skin was submitted to Mr. Buckler, who 

 said, "The larva-skin which I return you 

 is undoubtedly that of G. ilicifolia. ' ' —John 

 E. Robson. 



EXCHANGE. 



Duplicates.—- Neritina fluviatilis, Plan- 

 orbis lacustris, Helix carfhusiana, H. caper- 

 ata, v. ornata and major, H. ericetorum, v. 

 alba and minor, Pupa secale, Vertigo pygmcea, 

 and a few Clausilia Rolphii. Desiderata. — 

 Pisidium roseum, Limncea involvta, Geoma- 

 lacus maculosus, Testaeella haliotoidea, Zoni- 

 tes purus, Helix lamellata, several Vertigos, 

 Acme Uneata, and numerous varieties. 

 Accepted offers only answered. — C. H. 

 Morris, School Hill, Lewes, Sussex. 



Duplicates. — Larvae of M. avUmis. Des- 

 iderata. — Larvag or pupae of lepidoptera. 

 — Ruth Prescott Decie, Bockleton Court, 

 Tenbury. 



Exchange.— Good skins of the Guillemot 

 and Common Gull, for eggs, Lepidoptera 

 or other skins. — James Dixon, Alliance 

 Street, Hartlepool. 



I want to borrow " Bewick's Land Birds," 

 small edition, with coloured plates, for a 

 short time. I can lend in return " Bates on 

 the Amazone," "Spring and Summer in 

 Lapland," " Letters of Rusticus," "White's 

 Selborne," "Waterton's Wandering's," &c. 

 — S. L. Mosley. 



I have to thank Mrs. Hutchinson for seeds 

 of several wild plants for distribution among 

 scholars. I still want a further supply for 

 the sake of variety, and also eggs of many 

 Bpecies of lepidoptera, even the commonest, 

 I will do my best in return if collectors will 

 enclose their marked lists of lepidoptera, 

 coleoptera, or birds eggs.— S. L. Mosley, 

 Beaumont Park, Huddersfield. 



NATURALIST. 



TO CORRESPONDENTS. 



All communications to be sent to J. E. Eobson, 15, 

 Northgate, Hartlepool; or to S. L. Mosley Beau- 

 mont Park, Huddersfield. 



The next part of " Varieties of British Lepi- 

 doptera" will contain forms of Argennis, 

 Vanessa, Satyrus, Polyommatus, and Ly- 

 ccena. I shall be glad to hear from any 

 one possessing extreme varieties of these 

 genera. — S. L. Mosley. 



Jas. Dixon. — The daisy sent was a beauti- 

 ful illustration of the abnormal state, known 

 as " fasciation," the union together of a 

 number of primary stems or branches into a 

 ribbon-like bundle, and either terminating 

 in a multitude of small branches, or as in this 

 case an increased number of perfect flowers. 

 It has been noticed to occur in a great 

 variety of plants, but is much more frequent 

 in certain genera than others. Notably in 

 the branches of the pines and firs, and is 

 common in several of the Composite, as in 

 dandelion, asters, Michaelmas daisy, and in 

 the daisy. In certain plants it has become 

 a confirmed habit, as in the cultivated 

 cockscomb (Celosia) of gardens and green 

 houses, which owes its merit as a florist's 

 flower to this abnormal state. The most 

 plausible theory as to its spontaneous occur- 

 rence is, that owing to some accidental 

 injury to the growing point of the plant, and 

 an over abundant supply of nutrient materi- 

 cal, a multiplicity of buds are produced, 

 which becoming fused together, assume the 

 peculiar form of " fasciation." 



POSTAL EXCHANGE CLUB. 



Mr. Mosley hopes to get out the circulars 

 announcing the commencement of this club 

 during the current week. Will all who 

 desire to join it send their names and 

 addresses to him, Beaumont Park Museum, 

 Huddersfield. 



