COTSTTElSrTS. 



Lbid?, Job., M. D. A Rare Human Tapeworm, 



McCooK, Rev. H. C. How Lycosa fabricates her Round Cocoon, 



McCooK, Rev. H. C. Note on the Amphibious Habit of Lycosa, 



Leidy, Jos., M. D. Pentastomum proboscideum, 



Meehan, Thos. The Nature of a Fasciated Branch, 



Meeiian, Tnos. On Rapid Changes in the History of Species, 



RiNGUEBERG, EuGENE N. S. New Fossils from the four Groups of the 



Niagara Period of Western New York (Plates II and III), 



Meehan, Thos. Opposite Leaves in Salix nigra, 



McC< OK, Rev. H, C. A Spider that makes a Spherical Mud-daub Cocoon, 

 Gill, Theo. On the Mutual Relations of the Hemibranchiate Fishes, . 



Gill, Theo. On the Anacanthine Fishes 



Potts. Edw. Some Modifications observed in the form of Sponge Spicules, 

 Lewis, H. Carv'ill. Volcanic Dust from Krakatoa, . . . . 



WiLLCOX, Jos. Notes on the Geology and Natural History of the We.st 



Coast of Florida, 



Potts, Edw. On a New Species of Cristatella (Plate IV), 

 Meehan, Thos. On Elasticity in the Filaments of Helianthus, 

 Carter, Henry J. Catalogue of Marine Sponges, collected by Mr. Jos. 



Willcox on the West Coast of Florida, 



Meehan, Thos. Sexual Characteii.stics in Zinnia, 



Arango, Rafael. Description of new species of Terrestrial MoUusca of 



Cuba, 



Potts. Edw. On Palndicella erecta, 



FooTE, Dr. a. E. a Large Zircon 



Potts, Edw. On the wide Distribution of some American Sponges, 

 Potts, Edw. On the Minute Fauna of Fairmount Reservoir, . 

 Brinton, Dr. D. G, Tunisian Flints, . . . . . 

 Meek, Seth E., and David K. Goss. A Review.of the American Species 



of the Genus Hemiramphus, . . . . . . 



Meek. Seth E., and Martin L. Hoffman. A Review of the American 



Species of the Genus Teuthis, 



Meek, Seth E., and Robert G. Newland. A Review of the American 



Si ecies of Scomberomorus, 



Chester, Frederick D. Preliminary Notes on the Geology of Delaware 



— Laurentian, Palaeozoic and Cretaceous Areas (Plate V), . 



Leidv, Jos., M. D. Organisms in Ice, . • 



OsBOKSi, Henry F. Preliminary Observations upon the Brain of Menopoma 



(Flate VI), 



Brinton, D. G., M. D. On the Cuspidiform Petroglyphs, or so-called 



Bird-Track Rock-Sculptures, of Ohio 



Brinton, D. G., M. D. Impression of the Figures on a "Meday Stfck," 

 Brinton, D. G., M. D. Fired Stones and Prehistoric Implements, . 

 Randolph, N. A. Cutaneous Absorption of Nicotine, . . . . 



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794 i 796 SANSOM 91 



