ADDITIONS TO LIBRARY. 469 



Rand, E. S. Rhododendon and American plants, 1871. Tn exchange. 

 Ranvier, L. Traite technique d'histologie. 5me Pasc. I. Y. Williamson 



Fund. 

 Rathhun, R. Brazilian corals and coral reefs. 



Brazilian echinoderms, with notes on their distribution. The Author. 

 Raulin, V. Description physique et naturelle de l'lle de Crete. 2 vols. 



and atlas. Dr. F. V. Hayden. 

 Regel, E. Descriptiones plantarum novarum et minus cognitarum. Fasc. 



VI. The Author. 

 Reid, M. C. Inscribed stone of Grave Creek Mound. The Author. 

 Reinhardt, J. Beskrivelse af Hovedskallen af et Krempedovendyr, Gry- 



potherium darwinii. Dr F. V. Hayden. 

 Reiusch, P. F. Fresh water algae collected by Rev. A. C. Eaton. The 



Author. 

 Rhees, Win. J. Smithsonian Institution ; Documents relative to its origin 



and history. The Institution. 

 Rodwell, G. F. Etna, 1878. I. V. Williamson Fund. 

 Rogers, H. R. Theories of the great physical forces. The Author. 

 Rossmassler's Iconographie der europaischen Land and Susswasser Mol- 



lusker. 6 Bd. 4-6 Lf. Wilson Fund. 

 Rothrock, J. T. U. S. Geogr. Surv. west of the 100th Mer. Report. Vol. 



IV. Botany. Engineer Department, U. S. A. 

 Royal Society of scientific papers. Vol. 8. The Society. 

 Rnfmer, E. H. Annual report upon explorations and surveys in the Dep. 



of the Missouri. Lieut. C. A. H. McCauley. 

 Russ, K. Fremdlandischen Stubenvbgel. 3 Bd. 1-6 L. I. V. Williamson 



Fund. 

 Russell, I. C. Geological Museum of the School of Mines, Columbia Col- 

 lege. 

 A new form of compass-clinometer. The Author. 

 Rutgers Scientific School Report, 1878. G. H. Cook. 

 Rutley, F. Study of rocks. I. V. Williamson Fund. 

 Ryder, J. A. Remarkable new genus of giant sloths (review). 

 New genus of minute Pauropod Myriapod. 

 Successive appearance of Chirocephalus and Streptocephalus in the 



same pond, etc. The Author. 

 Saporta, Comte de. Le monde des plantes avant Tapparition de Thomme, 



1879. I. V. Williamson Fund. 

 Sars, G. O. Bidrag til kundskaben om Norges arkteske Fauna, I. Mol- 



lusca. I. V. Williamson Fund. 

 Mollusca regionis Arcticre Norwegian. The Author. 

 Scheffler, H. Warme und Elastizitat. The Author. 



Scheler, Aug. Histoirede la maison de Saxe-Cobourg-Gotha. The Author. 

 Scherzcr, C. Wanderungeu dnrch die Mittel-Amerikanischen Freistaaten 



Nicaragua, Honduras und San Salvador, 1857. I. V. Williamson 



Fund. 

 Schiodte, J. C. Zoologia Danica. le Hefte. I. V. Williamson Fund. 

 Schlagintweit-Sakunliinski, H. von. Auftreten von Bor-Verbindungen in 



Tibet, 1874. The Author. 

 Schliiter, Wm. Preis-Verzeichniss verkiiuflicher europaischer und exo- 



tischer Vogeleier. The Author. 

 Schmidt, A. Atlas der Diatomaccen-Kunde. 15es and 16es H. I. V. 



Williamson Fund. 

 Schmidt, O. Spougien des Meerbusen von Mexico, les H. Alex. Agassiz. 

 Spongien des adriatischen Meeres. 2es, 3es Supplement. I. V. Wil- 

 liamson Fund. 

 Schneider, A. Vergleichenden Anatomie und Entvdcklungsgeschichte 



der Wirbelthiere, 1879. I. V. Williamson Fund. 



