2S4 



HAPtDWICKE'S SCIENCE-GOSSIP. 



NOTICES TO CORRESPONDENTS. 



"SivEKT-MoLY."— The plant sent is the common Golden 

 Rod [Solidago virga-aurea). 



L. S. — It is a common thing for a fungus of the same kind 

 as that sent (Hydnum re.pandum), to grow.in circular layers, 

 so as to inclose objects. 



James A.— No. 1. Common Goose-foot (Achillea ptarmicn) > 



2. Squalid Rag wort {Senecia squalidu, an uncommon plantj ; 



3. Common Bog-bean {Henyanthes trifiiliata). 



R. C. — Tlie question as to whether Eoxoon cnnndense is 

 really a fossil is not yet settled, but the balance of evidence 

 is certainly in favour of its being such. 



H. CocKSON. — The specimens inclosed were what are 

 commonly called "Oak-spangles," from their occurrence on 

 the backs of oak-leaves. They are produced by an insect, a 

 species of Cynips. 



C. CocKSON. — You will find an account of vegetable re- 

 mains of the Middle Eocene vegetation in the Reports of the 

 British Association for 1869, 18/0, and 1871. 



J. I/. H. — The circumstance referred to is not unusual, 

 especially in southern districts. The lateness oi the migra- 

 tion of the Swallow tribe is frequently affected by local 

 causes. 



W. B. Daviks. — Moore's " British Ferns," and Newman's 

 work on the same subject, contain the most exhaustive treat- 

 ment of ferns. They are both, we believe, published by Van 

 Voorst. 



E. H. W. — It is impossible that cheese-mites should be 

 developed spontaneously. They are hatched from germs or 

 eggs in every case. 



E. L.— Thanks for the specimens. We cannot commit our- 

 selves to any definite time as to when " Exchanges '' shall 

 appear. Wc devote the whole of one page every month to 

 '• Exchanges " and " Answers," and, in the interest of our 

 subscribers, caiuiot spare more. It follows, theretore, that, 

 if we have an excess of " Answers '' or " Exchanges," some 

 of the latter must stand over till the following month. We 

 endeavour to do our best for all, querists and exchangers, as 

 well as ordinary subscribers, and we rely on their gentle- 

 manly courtesy to bear with us if the inexorable limits of 

 space oblige us occasionally to disappoint them. 



G. H. K. — The " China tinder " is the well-dried interior of 

 the common Puff-ball {Lycoperdon). 



To Correspondents. — We have been obliged, at the last 

 moment, to defer several "Answers" and "Exchanges" 

 until the January No. 



EXCHANGES. 



Mountain Limestone Fossils for Foraminifera, or any 

 other good mounted object for the microscope.— J. Harker, 

 Richmond, Yorks. 



Sphariit fimhrinta fox other Micro-fungi or foreign Ferns. 

 — Miss Jelly, 4, Gensing-terrace, St. Leonard's-on-Sea. 



Portions of rib-bones of Ichthyosaurus, and Vertebra and 

 Rib-bones of Plesiosaurns, for section-cutting, for micro- 

 scopic Slides.— E. Lovett, Holly Mount, Croydon. 



A Sliuk of Orthosira Diclcieii (from original cave near 

 Aberdeen) iUustrating sporangial frustule, &c., as described by 

 Mr. Kitton in a recent number of Sciknce-Gossip, for good 

 Marine Diatomaceous gatherings, either home or foreign.— 

 Rev. G. Davidson, Logie-Coldstone, Aberdeen. 



LoNo. Cat. Brit. Plants, Nos. 136b, 141 oxyptera, 

 174 (3 sub. sp.), l8ob, 345C, 672, 897a, 1123 obtusifolius, 1215, 

 1234c, 1322c, 1340, 1362 acutuni, 1428c, &c., offered for 17, 56, 

 62,75,91, 144; 156b, 1/6, 177. 181*> 183, 256, 289, 292, 302, 

 310*. 371*, 376, &c., or for foreign plants.— J. Harbord Lewis, 

 180, Mill-street, Liverpool, S. 



Sevkral Duplicate Microscopic Slides for others ; Ento- 

 mological preferred.— J. S. Harrison, 48, Lowgate, Hull. 



Hoshier's "Niger Flora," published at 2os. Desiderata. 

 Britisli Plants; names sent on application.— Whatton Manor. 

 Notts. 



Section 1 in. long of Fruit of Palm, well-mounted, for slides 

 or material.— Send list to H. B. Thomas, Boston, Lincoln- 

 shire. 



Land and Fresh- water Shells for Birds' Eggs or well-set 

 Lepidoptera.— Seth Smith, Crescent-street, Cross-bank, 

 Batley, Yorkshire. 



Microscopic Accessories wanted for Polariscopic and 

 Diatomaceous Slides perfectly mounted.— For list apply to 

 H. Cockson, 24, Rodney-street, Liverpool. 



Clonsilia Rolphii for Clausilia biplicata and BaVumis 

 montanus.—i. FitzGerald, West-terrace, Folkestone. 



Ockan Soundings (not common) ; wanted good objects. — 

 I. H. M., 86, Week-street, Maidstone. 



Gastric Teeth of Cockroach {Blatta orientalh), or Scales 

 of Death's-head Moth {Ach-rontia atrnpns), either, well, 

 mounted, for any other well-finished slide. — C, 5, CuUoden- 

 street, Bromley, London, E. 



Duplicates, Pinicolana, T. W. Album. Velleda, Cerasa, 

 Batis, Nictitans, Giareosa, Rufina, Litura, Citrago, Fulvago, 

 Testata, Plagiata, for other Lepidoptera.— Jno. Harrison, 7, 

 Victoria-bridge, Barnsley. 



Well-mounted Microscopic Slide for Microscopic acces. 

 sories and mounting materials. — H. Cockson, 24, Rodney- 

 street, Liverpool. 



Well-mounted Slides of Rare Diatoms and Polycistina, 

 Springfield, Barbadoes, for Diatom Earths, Guanos, &c. — 

 H, B. Thomas, Boston, Lincolnshire. 



Duplicates, — A few Templi funales alive for breeding with. 

 Accepted offers only replied to. — Jno. Harrison, 7, Victoria- 

 street, Barnsley. 



Section of Leaf of India-rubber tree (unmounted) offered 

 for good diatoms unprepared.— W. White, Litcham, Norfolk. 



Carpenter's " Microscope audits Revelations," wanted 

 for Slides.— Thomas Lisle, Moorfields, Wolverhampton. 



Mounted Diatoms from this locality for their equivalents 

 in mounted diatoms, or diatom deposits. — Send specimen and 

 address to G. W. Morehouse, Wayland, New York, U. S. A. 



Pure Diatoms, cleaned, and some uncleaned, from different 

 localities, for good Slides or Material.— Geo. Elisha, 2, Cross- 

 street, Shepherdess-walk, City road, N. 



Will any Microscopist who goes in for Infusoria occa- 

 sionally interchange with me, per post, bottles of water.'' I 

 have suitable boxes and bottles.— Rev. A. B., Private Bag 

 219, Post-office, Birmingham. 



Spores of Stag's-horn Fern (opaque). Section of Rhino- 

 ceros Horn, ditto of Red Deer, ditto of Whalebone, well 

 mounted, for Diatoms or other good Slides. — F. M. Swallovr, 

 Blackrod, near Chorley, Lancashire. 



Popular Sciknck Review, 4 vols., 1S63, I8S9, I870. and 

 I871, strongly bonndin half-calf, for the Zoologist, I806, 1870, 

 I871, 1872.— Richard M. Barrington, Fassaroe, Bray, co. 

 Wicklow. 



CochUeopa tridens, var. crystullinn, for Vertigo antiverfigit 

 or y. al/iKstris. — G. S. Tye, 58, Villa-road, Handswortli, 

 Staffordshire. 



Transverse SECTION'S (mounted) of Foot-pad of Elephant. 

 Guanaco Hoof, and diseased Horn of Rhinoceros ; lontr 

 Sections of Horns of Koodoo and Rhinoceros, and Palate of 

 Patella pellucida. — Apply to J. Lazeuby, 2, Saruin Villas, 

 Basingstoke. 



Helix ohvolutn (English) for either of the following: — 

 Chnisitiu biplinata, CI. parvitla, Ttstdcellii haliotiden, Bulimiis 

 Ouudalti, Liimtcea glutinosu, M. pomatia. — C. Griftiittl, St. 

 Swithiu-street, Winchester. 



Slides of Ovipositor of Cynips quercus Lignicola, Steni>- 

 cephalui ugilis, and Aphrophura spumuria, for a correspond- 

 ing number ot Slides ; Entomological preferred.— J. O. Harper, 

 Dereham-road, Norwich. 



Specimens of Jjf. virgata, H. caperata, S. cuntiann, H. 

 hixpida, H. arljustorum, 11. rupestris, and C. eleguns, for 

 other Shells or British Birds' Eggs.— VV. K. Maun. 



BOOKS RECEIVED. 



" The Graft Theory of Disease, an application of Mr. 

 Darwin's Theory of Pangenesis to the explanation of Zymotic 

 Diseases." By J. Ross, M.D. London: J. & A. Churchill. 



" Boston Journal of Chemistry." October. 



" The American Artisan." 



"The Lens." August, 1873. 



"Grevillea." November, 1873. 



" Les Mondes." 



" Land and Water." 



"The Geology of the Redesdale Ironstone District." By 

 G. A. Lebour. 



" Journal of Applied Science." 



Communications Received from— f. B. L. G.— A. P. H. 

 —J. P.-F. L.— F.— A. T.-J. J. \N .— W. L.— G. W. M.— 

 F. M. S.— VV. VV. S.— T. B.— M. D. B._J. H.— C. B. G.— 

 A. L.— J. B. D.— E. L.— H. G.— C. B. b._W. H. B.-J. O. H. 



— W. A.— E. I,.— T. L.— M. J. G.— R. Y.— W. W. S.— A. A. 

 — W. E. S.-W. S. P.-G. S. T.— T. A._R. Y. G.— J. C— 

 B J. B.— C J.— H. U. J.— J. F. G.-C. G.— B. M. B.— \V. K. 

 — T. H. S.— T. M. B.— A. A.— W. B. D.— E. H. W.-G. E.— 

 F. C. S. R.-J. F.— H. A. M.— W. H. W.— H. M. J. U.— A. C. 



— H. G- G.— VV. T. O.— W. C— E. E.— G. W. Y. S.— C. J.— 

 W. W.-J. C— J. H.— T. B. B.— R. A- P.-H. C— C. C— 

 J. H. M.— J. P. S.— S. VV.— J. L. H.— H. B. T.— E. B. Y. W. 



— C. G.— T. P.— A. S.— W. K. M.— J. W.-M. H. C, &c. 



