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CONTENTS. 



E. Goldsmith. The Blue Gravel of California . . . IS 



Joseph Leidy, M.D. Correction of an Article by Prof. Cope 1i 

 Joseph Leidy, M.D. Note on the Enemies of Difflugia . . 15 

 Joseph Leidy, M.D. Remarks on a supposed Compound derived 



from Leather . . . . . 

 H. C. Chapman, M.D. On Echinorh^aichus Moniliformis 

 E. Goldsmith. Analysis of Graphite from Wythe Count}', Ya 

 Jos. Leidy, M.D. Notice of some new Fresh-water Rhizopods 

 H. C. Chapman, M.D. On the Generative Apparatus of Teben 



nophorus Caroliuensis 



Thomas Meehan. The Yeins of Beech and Hornbean Leaves 



Thomas Meehan. Direct Growth Force . 



T. A. Conrad. Description of two new Fossil Shells of the 



Upper Amazon ........ 



Thomas Meehan. Habits of the Orchard Oriole 



Thomas Meehan. Poisonous Character of the Flowers of "Wis 



taria sinensis 



Thomas Meehan. Growth of Cuicus arvensis, Hoff 

 Persifor Frazer, Jr. On the Geology of Pilot Knob, Iron 



Mountain, and Mine La Motte, Mo 



Joseph Leidy, M.D. Notice of some Fresh-water and Terres 



trial Rhizophods 



Joseph Leidy, M.D. Remarks on the Revivification of Rotifer 



vulgaris 



Edward D. Cope. On a Young Balaena cisarctica . 



Edward D. Cope. On the Crania of Symborodon . 



B. Waterhouse Hawkins. On the Pelvis of Hadrosaurus 



Edward D. Cope. On the Pelvis of Hadrosaurus . 



Edward D. Cope. On a Species of Ctenodus from Ohio 



Persifor Frazer, Jr. On the Chemical Formulas of Minerals 92, 110 



H. C. Chapman, M.D. Disposition of the Latissimus Dorsi, 



etc., in Ateles and Macacus ..... 



H. C. Chapman, M.D. Flexor Brevis Digitorum in Ateles Ge 



offi-oyi (Kuhl) 



15 



16 



11 

 11 



19 

 80 

 80 



82 

 84 



84 

 84 



85 



86 



88 

 89 

 89 

 90 

 91 

 91 



94 



94 



(Continued on p. 3.) 



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