792 PROCEEDINGS OF THE ACADEMY OF [DeC. , 



NaticidfP, Calyptrandaj, Onustidtv, Tuiritellidas Vermelidix', Cte- 

 cidjB, Enlimida", Pyramidcllida', Turbonil]ida^ 1880, 4G1 pp., 79 

 plates. IX, Solariida-, lanlliinida, Trichotropida, Scalariida% 

 Cerithiida, Kissoida, Littorinidas 1887, 488 pp., 71 plates. X, 

 Nerilida, Adrorbiida, Cyclostrcmatida, Liotiida, 1888. 

 Manual of Conciiology, Structural and Systematic. "With illustra- 

 tions of the species. By George W. Tryon, Jr., continued by 

 Henry A. Pilsbry. Phasianellina, Turbinida, Delpliinulina, 

 1888, 323 pp., 09 plates. XI, Trochida, 1889, 519 pp., Gi plates. 

 XII, Stoiuatellida, Scissurellida, Pleurotoraariidse, Ilaliotidse, 

 Scutelliuida, Addisoniida, Cocculinida, Fissurellida, 1890, 

 323 pp., 65 plates. XIII, Acmseida, Lepetida, Patellida, Titis- 

 caniida, 1891, 195 pp., 74 plates. XIV, Lepidopleurida, 

 Ischuochitonida, Chitonida, Mopaliida, 1893, 350 pp., 68 plates. 

 XV, Acanthochitida, Cryptoplacida, Actaonida, Tornatinida, 

 Scaphandrida, Bullida, Akerida, Ilydatinida, Hingiculida, 

 1893-94, 436 pp., 61 plates. XVI, Philinida, Aglajida, Gastrop- 

 terida, Aplysiida, Pleurobranchida, Umbrellida, etc., 1895, 262 

 pp., 75 plates. XVII, Scaphopoda. By H. A. Pilsbry and B. 

 Sharp. Aplacophora, Index to Series, 1897-8, 348 pp., 48 plates. 



Second Series : Fulmonata. Manual of Conchology, structural and 

 sj'stematic. With illustrations of the species. By George W. 

 Trj^on, Jr. I, Testacellida, Oleacinida, Streptaxida, Helicoidea, 

 Vitrinida, Limacida, Arionida, 1885, 364 pp., GO plates. II, Zon- 

 itida, 1886, 265 pp., 64 plates. Ill, Helicida, 1887, 313 pp., 63 

 plates. IV, Helicida, 1888, 266 pp., 69 plates. 



Second Series : Pulmonata. Manual of Conchology, structural and 

 systematic. With illustrations of the species. By George W. 

 Tryon, Jr., continued by Henry A. Pilsbry. V, Helici- 

 da, 1889, 216 pp., 64 plates. VI, Helicida, 1890, 324 pp.. 68 

 plates. VII, Helicida, 1891, 225 pp., 61 plates. VIII, Helicida, 

 1892, 314 pp., 58 plates. IX, Guide to the Study of Helices, 1894- 

 95, 306 pp., 71 plates, and Index to Helices, 126 pp. X, American 

 Bulimi and Bulimuli, Strophocheilus, Plekocheilus, Auris, Buli- 

 mulus, 1895-6, 212 pp., 51 plates. XI, American Bulimulida : 

 Bulimulus, Xeopetraus, Oxychona, and South American Drymaus, 

 1897-8, 339 pp. 51 plates. XIT, American Bulimulida^ : Nortli 

 American and Antilleau Drymaus, Leiostracus, Orthalicina and 

 Amphibulima, 1899, 358 pp., 64 plates. XIII, Australian Buli- 

 mulida : Bothrienibrj'on, Placostylus. Helicidae]: Amphidromus, 

 1900, 253 pp., 72 plates. 



(Of the Manual of Conchology from Vol. I to the first part of Vol. X 

 of the first series and Vols. I, II, III and IV of the second series 

 were published by ^Ir. George W. Tryon, Jr. The work was 

 bequeathed by him to the Conchological Section of the Academy 

 and has since been continued by Henrj- A. Pilsbry, D.Sc.) 



