A Plain and Easy Account of the Land and Freshwater Mollusks of Great Britain |
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Page 4
... organ in the form of a lung , -these are comprised in the class Pulmonifera . Some , indeed , inhabit our fresh waters ; but , unlike the true fresh - water Gasteropods , they are compelled to come to the surface to breathe the air ...
... organ in the form of a lung , -these are comprised in the class Pulmonifera . Some , indeed , inhabit our fresh waters ; but , unlike the true fresh - water Gasteropods , they are compelled to come to the surface to breathe the air ...
Page 14
... organs . - The mouth ( o ) is a hori- zontal opening situated anteriorly just above the foot , between two pairs of soft flattened lips ( t ) ; Dorsal margin . Posterior margin . Anterior margin . it is rather difficult to find , but ...
... organs . - The mouth ( o ) is a hori- zontal opening situated anteriorly just above the foot , between two pairs of soft flattened lips ( t ) ; Dorsal margin . Posterior margin . Anterior margin . it is rather difficult to find , but ...
Page 15
... organs are gills , consisting of two membranous plates , attached to each lobe of the mantle ; each plate consists of two folds of its membrane , and is pierced by innumerable holes , which are beset with vibratile cilia ; by BIVALVES . 15.
... organs are gills , consisting of two membranous plates , attached to each lobe of the mantle ; each plate consists of two folds of its membrane , and is pierced by innumerable holes , which are beset with vibratile cilia ; by BIVALVES . 15.
Page 16
... organs , and sweeping over the gills , it is propelled towards the mouth ( 0 ) , and passes out by the anal orifice ( v ) by this agency , the layer of water in con- tact with the gills is thus renewed , and food is also brought to the ...
... organs , and sweeping over the gills , it is propelled towards the mouth ( 0 ) , and passes out by the anal orifice ( v ) by this agency , the layer of water in con- tact with the gills is thus renewed , and food is also brought to the ...
Page 17
... Organs . - The ventral portion of the body is prolonged to form a fleshy tongue- shaped foot ( f ) , and has some analogy with the Gasteropods this locomotive organ is large , flexible , and muscular , and capable of being protruded ...
... Organs . - The ventral portion of the body is prolonged to form a fleshy tongue- shaped foot ( f ) , and has some analogy with the Gasteropods this locomotive organ is large , flexible , and muscular , and capable of being protruded ...
Other editions - View all
A Plain and Easy Account of the Land and Fresh-Water Mollusks of Great ... Ralph Tate No preview available - 2015 |
A Plain and Easy Account of the Land and Fresh-Water Mollusks of Great Britain Ralph Tate No preview available - 2019 |
Common terms and phrases
abundant animal aperture Arion aspersa bands bivalves body Botany Britain British species brown Bulimus canals Clausilia cloth colour columella contains Copford Crown 8vo Cyclas dental formula diameter distinguished distributed ditches eggs elongated England Eocene epidermis epiphragm Fcap foot fossilized fresh-water Fully Illustrated genera genus globular glossy Helicella Helix horny inch inhabits Ireland Isle of Wight J. G. Jeffreys keel lakes Lankester last whorl length Limax lingual ribbon living M. C. COOKE mantle margin Microscopic minute mollusk moss mouth mussel nearly newer Tertiaries oblique oblong occurs operculum orifice oval ovoviviparous Paludina peristome Pisidium PLANORBIS plants Plate ponds Pupa rare resembles rivers rocks rounded shell side slightly slugs SOWERBY specimens spiral spire stones striated surface suture Swan Mussel tentacles Testacella thick thin transverse rows umbilicus umbones Unio upper valves vegetable VERTIGO Vincent Brooks Vitrina Woodcuts woods
Popular passages
Page 239 - A clear, bold, distinctive type enables the reader to take In at a glance the arrangement and divisions of every page. And Mrs. Lankester has added to the technical description by the editor an extremely interesting popular sketch, which follows in smaller type. The...
Page 239 - British plants which encumber these volumes with riches, the reader cannot help being struck with the beauty of many of the humblest flowering weeds we tread on with careless step. We cannot dwell upon many of the individuals grouped in the splendid bouquet of flowers presented in these pages, and it will be sufficient to state that the work is pledged to contain a figure of every wild flower indigenous to these isles." — The Times. " Will be the most complete Flora of Great Britain ever brought...
Page 186 - These just-hatched molluscs, though aquatic in their nature, survived on the duck's feet, in damp air, from twelve to twenty hoUrs; and in this length of time a duck or heron might fly at least six or seven hundred miles, and if blown across the sea to an oceanic island, or to any other distant point, would be sure to alight on a pool or rivulet.
Page 242 - RUST, SMUT, MILDEW, AND MOULD. An Introduction to the Study of Microscopic Fungi.
Page 239 - Will be the most complete Flora of Great Britain ever brought out. This great work will find a place wherever botanical science is cultivated,' and the study of our native plants, with all their fascinating associations, held dear.
Page 114 - I seized the vermin, home I quickly sped, And on the hearth the milk-white embers spread. Slow crawl'd the snail, and, if I right can spell In the soft ashes mark'da curious L; Oh, may this wondrous omen lucky prove! For L is found in Lubberkin and Love. ' With my sharp heel I three times mark the ground, And turn me thrice around, around, around.
Page 240 - Directions showing which are the best adapted for the Hothouse, Greenhouse, Open Air Fernery, or Wardian Case. With an Index of Genera, Species, and Synonyms.