— 219 - 



and Dichogamy in Flowers of Corylus Avellana. Dioecism in Labiatae. 

 Self-fertilizing Flowers. On the Male and Herrn aphrodite Flowers of Aes- 

 culus parviflora. On the Direction of Spiral Twist in the Leaves of the 

 Norway Spruce. — Joseph Leidy: Remarks on Ticks; — Parasites of Mola 

 rotunda. — H. A. Pilsbry : On Helix albolabris var. maritima. — W. D. 

 Hartman: Description of New Species of Shells (Plate III). — Bbnjamin 

 Sharp : An Account of the Vincelonian Volcano (Plate IV). — H. A. Pilsbry: 

 New and little-known American Mollusca, No. 3 (Plate V). — Angelo 

 Heilprin : The Corals and Coral Reefs of the Western Waters of the Gulf 

 of Mexico (Plates VI and VII). — J. E. Ives : Echinoderms from the Nor- 

 thern Coast of Yucatan and the harbor of Vera Cruz (Plate VIII). 



1890. Part III. October — December, — Joseph Leidy : Beroe on the 

 New Jersey Coast. — H. A. Pilsbry : Trochidae, new and old. — Charles 

 Wachsmuth & Frank Springer: The perisomic plates of the Crinoids 

 (Plates IX, X). — Angelo Heilprin: The Eocene Mollusca of the State 

 of Texas (Plate XI). — John A. Ryder: The functions and histology of 

 the Yolk-sac of the Young Toadfish. — Joseph Leidy : Remarks on Velella ; 



— Notices of Entozoa. — Edward Bancroft: Co-ossification of Axis 

 Vertebra with Third Cervical. — Witmer Stone : Pennsylvania and New 

 Jersey Spiders of the Family Lycosidae (Plate XV). — Theodore D. Rand : 

 Geology of the South (Chester) Valley Hill. — Geo. A. Rex: Trichia 

 proximella Karst. — Harold Wingate : Note on Stemonitis maxima Sz. 



— Samuel G. Dixon : The development of Bacillus tuberculosis. — Henry 

 A. Pilsbry : Description of a New Japanese Scalpellum. — Lewis Wool- 

 man : Geology of Artesian Wells, Atlantic City, N. J. — Angelo Heilprin : 

 The geology and paleontology of the Cretaceous Deposits of Mexico 

 (Plates XII, XIH, XIV). 



11) Proceedings of the American Philosophical Society. 

 Philadelphia. [Jb. 1890. II. -460-.] 



Vol. XXVII. No. 131. — (Ohne geologischen Inhalt.) 

 Vol. XXVIII. No. 132. — (Ohne geologischen Inhalt.) 



12) Annales de laSociete geologique duNord de la France. 

 80. Lille. [Jb. 1891. I. -452-.] 



1890. Vol. XVIII. No. 2. — J. Gronnier: Description geologique 

 du canton de Trelon (suite). — J. Ladriere: Etüde stratigraphique du 

 Terrain quaternaire du Nord de la France. — Quarre-Reybourbon : Car- 

 rieres de Volvic. — J. Gosselet : Analyse du travail de M. Lasne sur les 

 terrains phosphates de Doullens. — L. Cayeux: Observations sur la na- 

 ture des Mineraux signales par M. Lasne dans la craie de Doullens. — 

 J. Gosselet: Deuxieme note sur le Caillou de Stonne. — Ch. Barrois: 

 Note sur les Nappes aquiferes de Lille. — J. Gosselet: Discours aux 

 funerailles de M. Ortlieb. — Hennequin : Discours aux funerailles de 

 M. Ortlieb. — Ch. Barrois: Legende de la Feuille de Quimper. — 

 Rabelle: Alluvion du Peron. 



1890. Vol. XVIII. No. 3. — Rabelle: Alluvion du Peron (suite). 



— J. Ladriere: Note pour l'etude du Terrain quaternaire de la vallee 



