Wilson The mesenterio Filaracnts of the Alcyonaria. - Blochmann. Die i.n Golfe von Nea- 

 pel vorkommenden Aplysien. - Frenzeì. Ueber die Mitteldarmdruse der Crustaceen. - Dorhn. Stu- 

 di» 7ur Urgeschichte des Wirbelthierkorpers. - Die Entwicklung und Differenzirung der K.emenbogen 

 der Selachier. - Zur Entstehung und Differenzirung der Visceralbogen bei Petromyzon Planen. - 

 Die paarigen und unpaaren Flossen der Selachier. 



tMittheilungen der deutschen Gesellscbaft fùr Natur- und VÒlkenkimde Ostasiens. 30 st - 

 Heft. febr. 1884. Vokoliama, 1881. i.° 



Mezg&r Einiges ùber Bergbau und Huettenwesen in Japan. - Roesing. Mittheilungen aus 

 Innai. - Lehmann. Gesellschaftspiele der Japaner, /. Via Gamia. - Easllake, Die Gefluegelte Sou- 

 nenscheibe. 



^Mittheilungen der k. k. Màhrisch-Schlesischen Gesellscbaft zur Beforderung des 



Ackerbaues, der Natur- und Landeskunde in Brunn. 1883. 

 tMonatsbliltter des Wissenschaftlichen Club in Wien. V. Jhg. n. 6. Wien, 1884. 8.° 

 t Natura (La). Rivista delle scienze. 1884. n. 1-14. Milano, 4.° _ 



N 10-14 (Marzo). Mancini. La tartaruga fossile di Valpolicella. - Fasola. Kivista di psico- 

 logia positiva - Ugolini. La prima spedizione italiana ai laghi equatoriali. - Poliaghi. La bilancia 

 magnetica di E. Hugher. - Ardissone. Le diatomee. - Gerì. La rubefazione delle acque. - Se na- 

 pelli. Ritorno della cometa periodica scoperta da Pons nel 1812. - Maruzza. 11 rame nellah- 

 mentazione e nelT industria. 



tNaturforscher (Der). XVII. Jhg. n. 6-13. 1884. 4.° 



tNotices (Montbly) of the r. Astronomica! Society. Voi. XLIX. 4. febr. 1884. 

 London, 8.° 



Annual report of the Council. i 

 i-Notizblatt des Vereins fùr Erdkande zu Darmstadt und des mittelrhemischen geo- 



logiscben Vereins. 4 P. Ili Heft. Darmstadt, 1882. 8.° 

 tNotuleii van de Algemeeoe en Bestuurs-vergaderingen van het Bataviaasch Genoot- 



schap van Kunsten en Vetenschappen. Deel XXI. 1883. n. 2. Batavia, 8. 

 tproceedings of the Cambridge Philosopbical Society. Voi. IV. p. 2-6, 1881-83. 8.° 



P 5 6. ftar«m.Onthe construction of a negative eye-piece. - Liveing and Dewar. On the circum- 

 stances'producing the reversai of spectral lines of metals. - Langley and Evans. On the Structure 

 of he leu. - Gardiner. On the continuity of the protoplasm in the metile organs ofleaves - 

 GrZl On the Complex Multiplication of Elliptic Function, - Gaskell. On certam pomts m the 

 f' n ti of the cardiac muscle. - Corry. On the Development of the Polhmum m Asclepias - 

 'ZZI On some micro-organisms and their relation, to disease. - Glateoroo^ On «re isochro^ 

 matio curves of polarized ligbt seen in a uniaxal crystal cut at nght angles to the optic axis. 

 Ti a s^tropbotomete, L «. On a common defect of lenses. JHcks On t e 

 of liquid under its own attraction, when the initial fona rs an ellipsoid - Hill. On functions o 

 more than two variables analogo** to tesserai harmonic, - Pearson. «T^**^? 

 Venus across the Sun, taken near Kingston, Jamaica. - Pregni Not.ce of Pro H J. S 

 Smith - Caylcy. A new form of equation of the 16-nodal quartic surface - Rayleigh. Qn the 

 ni radius of coils of insulated wire. - Id. On the invisibility of small objects - a ad hght - 

 Sedgmck. The originai function of the canal of the centrai nervous system of verte brata. - CM 

 11. On a new microtome. - JoKnson. On the development of the pel™ grrdle 

 the hind limbinthe cbick. - Potter. On the nitrogenous reserve-matenals m parte of pknts o the 

 than seeds.- Caldai On certain points in the anatomy of Braclnopod^ - Gadow On tt ^ v u 

 lar system of Pelophilus (Boa) madagascariensis. - Liveing and Dewar. On the use of a colhm tmg 

 eye-piece in spectroscopy. - hi. On some modificatici of Sorefs fluorescent eye-piece. - Id Un 

 a spectronieter and universal goniometer adapted to the ordinary wants of a laboratory. - Oo,ry. 



