Circulating System
Circulating System. Blood Of The Ornithorhynchus.—a Mammal Presenting Such Striking Resemblances In Cer Tain Parts Of Its Organization To The Oviparous Modification Of The Vertebrate Type As Does The Ornithorhynchus, Is One Of Which It Was Obviously Most Interesting To Ascertain The Form Of The Blood-discs. I Have Made Appli ...
Circulatory Apparatus
Circulatory Apparatus. — The Struc Ture Of The Heart And The General Arrangement Of The Arterial And Vc7zous Systems Offer No Pecu Liarities Worthy Of Notice. Strueture Of Tile Horse's Foot.—the Mechanical Structure Of The Foot Of The Horse Demands To Be Considered At Length, For In What Ever Point ...
Cirrhopoda
Cirrhopoda ; Cirripedia ; Cirripeds ; (x.c?go5 And Frac, Cirrus And Pes, From The Curl Like Form Which The Coiled Feet Or Arms Present. Fr. Cirripedes. Ger. Rankenfuesser.) A Class Of .invertebrate Animals, Composed Chiefly Of The Barnacles And Acorn-shells. They Are Re Lated In Some Points Of Structure With ...
Cirronosis
Cirronosis. (kcgoc, Lavas ; Vocros) Morbus.) In A Memoir Publislied By M. Lob Stein In The First Volume Of The Repertoire D'ilnatontie And De Physiologie For The Year 1826, This Term Was Applied To What That Author Considers To Be A Disease Affecting The Fcetus At An Early Period Of ...
Classification Of The Respiratory
Classification Of The Respiratory Movements In Animals.—it Is Not Easy To Name Any Particular Part In The Perfect Thorax Of The Higher Vertebrate, Which Is Equally Destined For Respiratory Motion Throughout The Class. Commonly With Ribs And Intercostal Muscles, We Connect The Idea Of A Thorax, Or A Breathing Chamber ...
Comparative
Comparative Anatomy.-if A Palwonto Logist Were Asked What Fragment Of A Verte Brate Skeleton, Speaking Generally For All Ver Tebrata, Would Give Him Most Information As To The Status And Affinities Of The Animal To Which It Belonged, He Would Most Probably Answer—the Articular Portion Of The Lower Jaw Or ...
Comparative Anatomy
Comparative Anatomy. The First Ap Pearance Of A Salivary Apparatus Has Been Ob Served By Owen,in A Genus Of Entozoa Found In The Stomach Of The Tiger, And Named By Him Gnathostoma. It Consists Of Four Elongated Straight Blind Tubes, Each About Two Lines In Length, Placed At Equal Distances ...
Comparative Anatomy I
Comparative Anatomy.-i Pass On Now Hastily To Notice Such Deviations From Sym Metry As Are Met With In The Normal Conditions Of The Lower Animals Belonging To The Ver Tebrate Sub-kingdom, And To Examine The Question Of Symmetry In The Other Sub-king Doms. In All Mammalia There Is Much The ...
Comparative Anatomy Muscular System
Muscular System, (comparative Anatomy Op).—the Muscular System Of Ani Mals, As The Term Is Generally Understood, Is Composed Of Masses Or Fasciculi Of Highly Irri Table Filaments, By The Contractions Of Which The Movements Of The Body, Whether Voluntary Or Involuntary, Are Effected, And The Arrange Ment Of These Moving ...
Comparative Anatomy And
Comparative Anatomy And Fhysioi.ocy Of The Organs Of Voice. — Having Given An Outline Of The Structure And Functions Of The Vocal Organs In Man, And Stated Our Views Of The Principles On Which The Produc Tion Of Voice Depends, We Shall Now Proceed To The Investigation Of The Physiology ...
Comparative Anatomy Of
Comparative Anatomy Of Thyroid.—the Existence Of A Thyroid Gland In All The Mam Malian Orders Seems To Be Undoubted ; And Though It Is Probable That, By A Close And Ex Tended Survey Of The Various Families, Some Interesting And Perhaps Instructive Peculiarities Might Be Detected, Yet I Have Not ...
Comparative Anatomy Of The
Comparative Anatomy Of The Pelvis. — In The Different Races Of Mankind, The Pelvis, As Influencing In A Very Great Degree The Form Of The Body, Presents Considerable Varieties. Camper, And Afterwards Scemmerring, Re Marked That Negroes Had More Slender Loins And Hips Than Europeans, Consequent Upon Narrower Pelves. Scemmerring ...
Comparison Of Animals And
Comparison Of Animals And Vegetables. Animals And Vegetables Were Longheld Essenti Ally And Irreconcilably Distinct From One Another. We Have Already Had Occasion, However, To Observe In How Many Particulars They Are Iden Tical. The Material Composition Of Both Is Often In Opposition With The General Physico-chemical Laws, Both Are ...
Comparison Of Animals With
Comparison Of Animals With One Another. This Head Is Also Comprised Within That Of Our Entire Cyclopmdia. The Glance We Shall Cast Over The Field It Embraces Will, Therefore, Be Very Cursory, And The Views Taken Of The Objects It Presents Extremely General. _physical Qualities And Material Constitution Of Animals ...
Comparison Of Tiie Organic
Comparison Of Tiie Organic And Inorganic Worlds. Physical Qualities And Elementary Composi Tion Of Unorganized And Organized Bodies.— The Organic And Inorganic Kingdoms Of Nature Are Distinguished From One Another By Many Strong Features Of Difference,—first, In Reference To Their General Physical Qualities, External Form, Volume, And Elementary Composition ; ...
Confirmation Of Tile General
Confirmation Of Tile General Results. We Have Thus Passed In Review The Principal Phenomena Of Animal Heat, Reducing Or Proximating These At All Times To The Most Simple Conditions. These Conditions Them Selves Are, In The First Place, Assumed From Comparisons Of The Organization Of The Two Grand Groups Or ...
Congenital Con Ditions
Congenital Con Ditions. Numerical Changes.—absence.—among The Single Organs Of The Body, One Degree Of Nu Merical Diminution Only Is Possible, Namely, Their Absence. Such An Anomaly, If We Except True Cases Of Monstrosity, Should Be Extremely Rare, And Indeed It Is So; For As All Unique Portions Of The Organization ...