Anatomy Of
Anatomy Of Clavellinid/e.—ciattaina. — At The Superior Extremity Is The Buccal Orifice, Which Is Circular, Looking Directly Upwards (fig. 768. C), And Furnished With A Very Thin, Prominent, Cylindrical Margin ; To The Interior Of Which Is Attached A Ring Or Circlet Of Simple Tentacular Filaments, About Thirty In Number, ...
Anatomy Of Pelonaia
Anatomy Of Pelonaia.*- Muscular Sys Tem.—the Mantle Is Similar To That Of Other Tunicates, Possessing Longitudinal And Circular Fibres ; The Former In P. Corrucata Forming A Thick Bundle At Their Origin Round The Respira Tory Opening. A Strong Band Of Transverse Fibres Passes Round It, In One Species, Imme ...
Anatomy Of Pyrosoma
Anatomy Of Pyrosoma. - The Common Tegumentary Mass Of Pyrosoma Is Semitrans Parent, Subcartilaginous, Toughish, And Some What Extensile. The Exterior Of The Hollow, Conical, Or Cylindrical Body, Formed By The Ag Gregation Of The Individual Pyrosontata, Is Co Vered With Numerous Elongated Tubercles, Of A Rather Firmer Consistence Than ...
Anatomy Of Salm
Anatomy Of Salm. - The Subcartilagi Nous Test Of Salpw Is More Or Less Cylindrical And Flexible, And When Taken Out Of The Sea, Often Collapses Into An Amorphous Mass. Float Ing In The Water, It Is Iridescent Or Opaline, Reflecting The Sun's Rays In Beautiful Rainbow Tints, And Hence ...
Anatomy Of The
Anatomy Of The Ascidiadie.—we Have Already Referred To The External Envelope Of The Tunicates As Being Analogous To The Cal Ciferous Shells Or Tests Of The Other Acephalans; And The Muscular Sac Enclosed Within It, As The Analogue Of The Mantle; And The Membranous Sac Lining The Mantle As Analogous ...
Anatomy Of The Botryllidie
Anatomy Of The Botryllidie. - A De Scription Of The Form And Structure Of The Test Of These Compound Ascidians Has Been Already Given. The In- And Out-lets Of The Aggregated Individuals, As We Have Already Seen, Have Either Separate External Openings, Or The Several Vents Of A " System ...
Angeiectoma
Angeiectoma. Masses Of Variable Size Composed Of Dilated And Elongated Vessels May Be Described Under The Name Of Angeiectoma (avyttov Eivretvs)). They Are Rare Productions, And Seem Essen Tially Produced By Dilated Hypertrophy Of The Small Vessels, Venous Or Arterial. A Tumour Of This Kind Has Been Figured By Dr. ...
Animal Dy Namics Motion
Motion Animal, Animal Dy Namics, Loco-motion, On Pro Gressive Motion Of Animals.— Amongst The Infinite Number Of Objects Pre Sented By The Deity To Our Contemplation In The Sublime Spectacle Of The Universe, There Are None, Relating To The Economy Of Animal Life, More Important In Their Consequences, More Calculated ...
Animal Electricity
Electricity, Animal. —a Power, Or Imponderable Agent, Possessed By And Evolved From Certain Living Animals, Which Enables Them, Independently Of The Operations Of External Agents On Their Structures, To Pro Duce Several Of The Phenomena Exhibited By Common And Voltaic Electricity, Generated In Inorganic Matter. The Animals So Endowed, With ...
Animal Kingdom
Animal Kingdom, An Appellation Given To That Great Division Of Natural Bodies To Which Animals Belong. Like The Other Kingdoms Of Nature, The Mineral And The Vege Table, It Is Divided Into Numerous Sub-king Doms, Classes, Orders, Genera, And Other Subor Dinate Groups, According To The Properties And Forms Of ...
Animal Luminousness
Luminousness, Animal. ( Phos Phorescence.) An Evolution Of Light From The Bodies Of Living Animals, Independent Of The Re Flection Of Incident Light. The Animals Which Possess The Property Of Thus Emitting Light Are Almost Entirely Inverte Brate, And Chiefly Marine. We Have Accnants From Several Naturalists Of Certain Fishes ...
And Ligaments Omenta7 Mesenteries
Omenta7 Mesenteries, And Ligaments. By These Terms We Understand The Sheets With Two Free Surfaces, Formed By Duplication Of The Peritoneum And Adhesion Of The Surfaces There By Brought Into Apposition ; To Describe These Is Our Second Proposition, And To That We Now Pass. A Parieto-visceral Sheet Is Usually ...
And Orifice Of The
Orifice Of The Vagina, And Hymen.—. Immediately Below The Vestibule, And Between The Nymphw, Is The Orifice Of The Vagina (fig. 480. V A), Which, In Its Undistended State, Has The Form Of A Vertical Fissure, Especially In Women Who Have Borne Children, But In Virgins It Is More Constricted ...
And The Metamorphosfs Which
The Development Of The Uterus, And The Metamorphosf.s Which It Undergoes At Different Periods Of Life. A. The Origin Of The Uterus, And Its Condition During Falai In The Human Embryo, Ac Cording To The Observations Of Miller, During The Transformation Of The Wolffian Bodies, The Efferent Tube Of The ...