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MICROSCOPY.-MICRO-NATURAL HISTORY (ZOOLOGICAL AND
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PERCY LUND & CO., Ilkley, Yorks. LONDON: W. SWAN SONNENSCHEIN & CO., and of all Booksellers. MICRO-SLIDES FOR SCIENCE CLASSES, Sciadocalyx luciana, Trichomes highly polar.
Dendrobium nobile, Air Root, Plerome Sheath, Chestnut or Ash, Transierse Fibre Of Petiole.
Fix leaf Bud, Meristem.
Hoya, Strongly thickened Parenchyma Cells.
Bistort, Raphides in Tuber.
(Spores, Dodder, Suckers penetrating Clover, Dahlia Tubers, Inulin Crystalloids.
Aneura pinguis (Jungermanniacev) Elaters and Cordiceps Sinensis, T.V.of Fungus on Caterpillar. Camellia Leaf, Trans. Sect. large Cystoliths.
Puccinia Graminis, Tilentospores.
Clematis Vitalba, Middle lameiki.
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EDWIN BOWLEY, Secretary. CHRISTMAS PRESENTS!! Just Published, 16-PAGE CATALOGUE of COLLINS MICRO-SPECIALITIES.
Post-free on Application. CHARLES COLLINS, Junr., Micro.Naturalist, Bristol House, Harlesden, London, N.W.
LECTURES on PHYSICAL GEOGRAPHY, GEOLOGY, BOTANY and ZOOLOGY.-The Editor of Science-Gossip is prepared to deliver EXTEMPORANEOUS LECTURES (well illustrated with Diagrams) to NATURAL HISTORY, LITERARY, AND SCIENTIFIC SOCIETIES, &c. For Terms, &c., apply to Editor of Science-Gossip, care of Messrs. CHATTO & WINDUS, 214, Piccadilly, London, W.
NEW, RARE, & INTERESTING OBJECTS FOR THE MICROSCOPE.
Racliate plates from Myriotrochus Rinkii, grouped, very rare ..
W. WATSON & SONS would call special attention to their Exhibi. Wheel plates from skin of Chirodota .. ..
tion Slides for Soirecs, &c. They are composed of Diatoms,
Whects of Chirodoti, Auchors and Plates from Synapty, &c. Section through the Jaw of Cat-all the teeth in situ-very fine
arranged in most artistic groups. For symmetry and beauty of Section through the Jaw of Rat.. .. .. .. .. .. ..
arrangement they exceed anything previously offered to MicroSection of Jaw of an Infant, permanent and milk teeth in situ .. ..
Prices, 8.; 7s. od.; 10s. od: 16s. : 215 1 5 Section of Retina, showing Jacob's rod and ultimate termini of nerve
Type slide of Diatomacer, 32 different species with book of names. fibres . ..
This slide is a marvel of manipulative skill, and is of great use Fungus of favus-Achorion Schönleinii ...
to students ..
.. price 4 OO
Type slide of Diatomaceæ, 80 ditierent species, with names photo Liver spots (chloasma) Mycrosporou furfur.. .
graphed bencath each specie .. Hoof of Horse, double stained, very pretty and effective, for po. . Type slidle of Foramenifera, 50 different species, with name photoLariscope
graphed beneath each specie .. Anatomy of a leaf, o pieces on one slide
.. 24. 63. Crystals of Brueme, new and very beautiful, for polariscope .. o is Batrachospermum moniliforme in fructification .
Kimate of Quininc, for polariscope .. Leaf and sections of moss, on one side ..
Crystals of silver, very brilliant. .. .. .. .. .. .. OH 6 CLASSIFIED LIST OF OBJECTS, including the late Mr. E. Wheeler's Stock of over 40,000
Either of the above sen: Post tree on application to
W. WATSON & SONS, Opticians to Her Majesty's Government,
313, HIGH HOLBORN LONDON W.C. Established 1837.
GRAPHIC MICROSCOPY. CARROT ZUM
NOV 16 i
No. XXIV.-EGGS OF PARASITE OF VULTURE.
Y OMMONLY sur | in shape and adornment, well exemplified in a
rounded with un | beautiful specimen of a wood mite of the genus
own. Possibly no Entomology ; Aptera,” by Mr. Andrew Murray, pubother order shows, from the egg to perfection, a greater lished by Chapman and Hall, by order of the diversity of form, or more quaint embellishment Committee of Council on Education. It is lavishly
The division Anoplura, commonly known as lice, illustrated with typical forms, well indexed, and are parasitic on mammals and birds. The plate forms a valuable key of reference to more exhaustive represents the eggs of the species infesting the research. feathers of the vulture. The number of varieties is Crouch End. very extensive, and the egg necessarily greatly diversified in configuration. Many are beautifully sculptured, and provided with contrivances in the
TEETH OF FLIES. shape of covers and lids. Almost every bird has a
By W. H. HARRIS. distinct variety, some two or three, and different forms of egg may be found in distinct and separate
No. VIII. localities, in the breast and neck, and on the under
“ FUCELLA FUCORUM,” Fallen. side of the primary wing feathers. Birds in captivity suffer severely, but scarcely any of the feathered THIS fly was taken on debris cast up by the tide tribe escape. Specimens of the rarest beauty may 1 on our coast during the latter part of October, be obtained from the pheasant.
but may, very probably, be taken in other situations Of the Acarina, or mites, a wide and interesting if diligently searched for. There is nothing very field is open to the young microscopist. Found peculiar in its general appearance to attract attention, wherever there is decay and mouldiness, even in the and it is therefore rather difficult to describe satiscavities of the bones of skeletons, they may be re- factorily, so that it may be recognised by the collector. garded as ubiquitous. Many are extremely curious | It is a rather small fly, being not more than about a
No. 252.- DECEMBER 1885.