Miscellaneous Intelligence. 239 



D. S. Martin: The geology of New York City and environs. 



N. L. Britton : Eeeent field work in the Archaean of Northern New Jersey 

 and Southeastern New York. 



J. H. Merrill : The age of the limestones of Westchester County, N. Y. 



F. D. Chester: The state Hue serpentines and associated rocks: a prelimi- 

 nary notice of the serpentines of southeastern Pennsylvania. 



G. H. Williams: Exhibition of a new petrographical microscope of American 

 manufacture. Some examples of the dynamic metamorphism of the ancient 

 eruptive rocks of the south shore of Lake Superior. 



J. S. Diller and G. F. Kunz: Is there a diamond field in Kentucky? 



G. F. Kunz : The diamond found at Dysartville, N. C. Rock crystal from Ashe 

 County, N. C. The agatized and jasperized wood from Chalcedony park, Arizona. 



R. Ogden Doremus: On the successful protection of the Egyptian Obelisk in 

 Central park, against the ravages of two winters, by saturating its surface with 

 melted paraffine wax. 



Richard Owen: The relation of the pole of the land hemisphere to conti- 

 nents, to the magnetic system and to seismic force. Relation between geograph- 

 ical forms and geological formations. 



Section F. — Biology. 



N. L. Britton: Notes on the Flora of the Kittatinney Mountains. 



H. H. Rusby: The cultivated Cinchonas of Bolivia. 



John M. Coulter : Developments of the Umbellifer fruit. 



Robert P. Bigelow : On the structure of the frond in Champia parvula Harv. 



W. G. Farlow: Apical growth in Fucus. JEcidium on Juniperus Viginiana. 



W. J. Beal and C. E. St. John: Study of the hairs in Silphium perfoliatum, 

 and Depsacus lacinatus in relation to insects. 



A. B. Seymour: Characters of the injuries produced by parasitic fungi upon 

 their heart plants. 



Effie A. Southworth: Notes on Catalpa leaf spot disease. 



C. V. Riley: On the Phengodini and their luminous larviform females. 



A. J. Cook: On the morphology of the legs of hymenopterous insects. 



E. D. Cope: The mechanical origin of the suctorial teeth of the carnivora. 

 The pineal eye in extinct Vertebrata. 



T. W. Mills : On the physiology of the heart of the snake. 



B. G. Wilder: Remarks on classification. 



R. P. Whitfield : Confirmatory evidence of Mastodon obscurus Leicly, as an 

 authentic American species. 



G. Baur: On the morphology of the skull and the evolution of the Ichthy- 

 opterygia. On the morphology of the ribs. 



Joseph Jastrow: Locomotion and bilateral symmetry. A point in dermal 

 physiology ; with demonstration of a new sesthesiometer. 



W. B. Scott : Remarks on the development of pteromyzon. Origin of Amer- 

 ican Carnivora. 



H. F. Osborn: Observations upon the embryological development of the 

 opossum. The relation of the commissures of the brain to the information of the 

 encephalic vesicles. Early history of the foot in Prosobranch Gasteropods. 



J. SchrenK: On the histology of the vegetative organs of Brasenia peltata, 

 Pursh. 



W. J. Beal : A comparison of the epidermal system of different plants. 



Fanny R. Hitchcock: Preliminary paper on structure of Alosa sapeclissima. 

 On the homologies of Edestus. 



C. V. Riley: The Buffalo-gnat problem in the lower Mississippi. 



F. S. Pease: Honey plant oil. Mrs. F. S. Pease: The honey plant. 



G. MacCoskie : The proboscis of the mosquito. 



R. H. Ward : On cataloguing microscopical preparations. 



A. A. Crozier: Methods of branching in the fibro-vascular system of plants. 



Sereno Watson : Some notes on American roses. 



C. P. Hart : Origin, development and prevalency of the so-called Echinococcus. 



