— CI.1X — 



"Mittheilungen des Ornithologischen Vereines in Wien. Jhg. XIV, n. 2-5. 

 Wien, 1890. 



"i'Mittheilungen (Monatliche) aus dem Gesarnmtgebiete der Naturwissenschaften. 



Jhg. VH, 9-11. Frankfurt. 1890. 

 +Monatsblàtter des wissenschaftlichen Club in "Wien. Jhg. XI, 6. Wien, 1890. 

 "^Monumenta spectantia historiam Slavorum Meridionalium. Voi. XIX. Zaga- 



briae, 1888. 



Acta conjurationem Petri a Zrinio et Francisci de Frankopan nec non Francisci Na- 

 dasdy illustrantia (1663-1671). 



"ì'Notices (Monthly) of the r. Astronomical Society. Voi. I, 4. London, 1890. 

 "^Notizblatt des Vereins fiir Erdknnde zu Darmstadt. 4 F. 10 H. Darmstadt, 

 1889. 



+Notulen van de algemeene en bestuurs-vergaderingen van het Bataviaasch 

 Genootschap van Kunsten en Wetenschappen. Deel XXVII, 2, 3. Bata- 

 via, 1889. 



"i'Opgaven (Wiskundige) met de Oplossingen door de Leden van het Wiskundig 

 Genootschap. Deele I-IV, 2, 3. Amsterdam, 1875-1889. 



^Preisschriften gekront und herausgegeben von der fiirstlich Jablonowski'schen 

 Gesellschaffc zu Leipzig, XXVII. Leipzig, 1889. 



Laass. Ueber Degenerations-Erscheinungen im Thierreich, besonders iiber die Re- 

 duckion des Froschlarvenschwanzes und die im Verlaufe derselben auftretenden histolyti- 

 schen Processe. 



i'Proceedings of the Academy of Naturai Sciences of Philadelphia, 1889. 

 Part III. Philadelphia, 1890. 



Keyes. Sphserodoma : a genus of fossil Gasteropods. — Meyer. Notes on the pre- 

 sence of timbrai or Mountain Limestone in Lycoming Co., Penna. — Ilorn. The Antennse 

 of Coleoptera. — Alien. On the taxonomic value of the Wing Membranes and of the Ter- 

 minal Phalanges of the Digits in the Cheiroptera. — Marx. On a new species of Spider 

 of the genus Dinopis from the Southern United States. — Redfield. Note on Pinus Bank- 

 siana. — Ives. Mimicry of the Environment in Pterophryne histrio. — Ford. Notes on 

 Crepidula. — Sharp. Activity in Donax. — Id. Change of Habit causing Change of 

 Structure. ■ — Gardiner and Brace. Provisionai List of the Plants of the Bahama Islands. — 

 Rand. Notes on the drift on Block Island. — Pilsòry. New and Little-known American 

 Mollusks, No. 2. — Brinton. On a Petroglyph from the Island of St. Vincent, W. I. — 

 Brown. Description of a new species of Eutaenia. 



+Proceedings of the California Academy of sciences. 2 d Series, voi. I, 2. 

 S. Francisco, 1889. 



Eigenrnann. Preliminary Notes on South American Nemotognathi. — Lindgren. 

 Geology of Baia California. — Bryant. Description of a New Subspecies of Song Sparrow 

 from Lower California. — Brandegee. Flora of the Santa Barbara Islands. — Curran. Bota- 

 nical Notes. — Eigenrnann. Description of a New Species of Cyprinodon. 



"^Proceedings of the Cambridg philosophical Society. Voi. VII, 1, Cambridge, 

 1890. 



Taylor. On Newton's Description of Orbits. — Pearson. On impulsive Stress in 

 Shafting, and on Kepeated Loading. — Sharpe. On Liquid Jets and the Vena Contracta. — 



