=Da Costa, Jacob Mandes.= _W. I._, 1833-1900. A Philadelphia physician connected with Jefferson Medical College since 1864, and a specialist in diseases of the throat and lungs. Epithelial Tumours and Cancers of the Skin; The Pathological Anatomy of Acute Pneumonia; The Physicians of the Last Century; Serous Apoplexy; Medical Diagnosis; Inhalation in Treatment of Diseases of the Respiratory Passages; Strain and Over-action of the Heart; Harvey and his Discovery. _Lip._ =Dadd, George H.= _E._, _c._ 1813- ----. A veterinary surgeon who has published The Modern Horse Doctor; Manual of Veterinary Science; Anatomy and Physiology of the Horse; The American Cattle Doctor. =Dagg, John Leadley.= _Va._, 1794-1884. A Baptist clergyman who retired from the ministry in 1833, and was president of Mercer University, Georgia, 1844-56. Manual of Theology; Elements of Moral Science; Evidences of Christianity; English Grammar. _Bap._ =Dahlgren, John Adolph.= _Pa._, 1809-1870. A famous United States naval officer, made admiral in 1863, who invented the cannon bearing his name, and conducted the siege of Charleston during the Civil War. Thirty-Two Pounder Practice for Rangers; System of Boat Armament in the United States Navy; Naval Percussion Locks and Primers; Ordnance Memoranda; Shells and Shell Guns; Memoir of Ulric Dahlgren; Notes on Maritime International Law, edited by Charles Cowley, _supra_. _See Memoir by Mrs. Dahlgren, infra._ =Dahlgren, Mrs. Madeleine [Vinton] [Goddard].= _O._, 1835-1898. Second wife of J. A. Dahlgren, _supra_, to whom she was married in 1865. A novelist of Washington. Idealities; Thoughts on Female Suffrage; South Sea Sketches; Etiquette of Social Life in Washington; Memoir of Admiral Dahlgren; South Mountain Magic, a Narrative; A Washington Winter, a Society Novel; The Lost Name; Divorced; Lights and Shadows of a Life. _Lip._ =Dalcho, Frederick.= _E._, 1777-1836. An Episcopal clergyman of Charleston, rector of St. Michael’s Church there, 1819-36, but in earlier life successively a physician and journalist. The Evidence of the Divinity of Our Saviour. Historic Account of the Episcopal Church in South Carolina; Ahiman Rezon, a work for freemasons. =Dale, James Wilkinson.= _Del._, 1812-1881. A clergyman of eastern Pennsylvania. The Cup and the Cross, or the Baptism of Calvary; Classic Baptism; Judaic Baptism; Johannic Baptism; Christic and Patristic Baptism. =Dales, John Blakely.= _N. Y._, 1815-1893. A United Presbyterian clergyman of Philadelphia, whose principal writings include Roman Catholicism; Dangers and Duties of Young Men; The Gospel Minister.