— XLVI — 



alirneiitary canal. — Ilopkinson. The residuai charge of the Leyden jar. — Priestley. On the physiological 

 action of vanàdium. — Cresswétl Babcr. Contributions'to the minute anatomy of the thyroid gland of 

 the dog. — Turner. On the placentation of the Lemurs. — Lang. Experiments on the friction between 

 water and air. — Kitchen Parker. On the structure and development of the siculi in the Batra- 

 chia. — Siemens. On detevmining the depth of the sea without the use of the sounding-line. — 

 Thomson. Eleetrodynamic qualities of metals. — Schusler. On the nature of the force producing the 

 motion of a body exposed to rays of beat and light. — Reynolds. On the forces cansed by the 

 communication of heat between a surface and a gas ; and on a new photometer. 



tPortugalliae monumenta historica. — Leges fase. 1-6 et index. — Scriptores fase. 1-3. — 

 Diplomata fase. 1-4. Olisiponae, 1856-73. f.° 



tProceedings of the Academy of Naturai Sciences of Philadelphia. 1876 part I-III. Phi- 



ladelphia, 1876-77. 8.° 

 tProceedings of the American Academy of arts and sciences. New series voi. IV. 



Boston, 1877. 8." 



Bell. Eesearches in telephony. — Sìvxrplcs. Scheele's green. — Hill. On the ethers of urie 

 acid. — Jackson. On some of the salts of methyluric acid C 5 H 3 (CH 3 ) N 4 0 3 . — Holman.\ On the 

 effect of temperature on the viscosity of air. — Gray. Contributions to the botany of North Ame- 

 rica. — llilìs. Schweinfurt green: some experiments on the action of arsenic trioxide on copper 

 acetate, with the view of investigating the composition of the above compound. — Sharples. Milk 

 analyses. — Cooke. On a new mede of manipulatìng hydric sulphide. — Id. On the process of re- 

 verse filtering and its application to large masses of material. — Trowlridge. On vortex rings in 

 liquids. — Peirce. On a new method of comparing the electro-motive forces of two batteries and 

 measuring their internai resistance. — Id. On a new method of measuring the resistance of a gal- 

 vanic battery. — hi. Note on the deteimiration of the law of propagation of heat in the interior 

 of a solid body. — Scvdder. Antigeny , or sexual dimoiphism in buttevflies. — Gray. Characters 

 of some little-known or new genera of plants. — Tvckcrman. Observationes lichenologicae. — 

 Ilarkncss. Theory of the horizontal photoheliograph, including its application to the determination 

 of the solar parallax by means of transits of Venus. — Michael and Norlon. On diamido-sulphobenzide- 

 dicarbonic acid. — Jackson. Eesearches on the substituted benzyl compounds. — Id. On certain 

 substituted benzylbromides. — Lowery. On parabrombenzyl compounds. — Melville. Contribution 

 toward the history of the fluorides of manganese. — Farlow. On some algae new to the United 

 Slates. — Eaton. Description of a new alga of California. — Watson. Desciiptions of new species of 

 plants, with revisions of certain genera. 



tProceedings of the American Philosophycal Society. Voi. XV, XVI n. 96, 98, 99. Phi- 

 ladelphia, 1876-77.8.° 



Vol. XV. Le Conte. The Bhynchophora of America North of Mexico.— Voi. XVI. Anthon. Silver 

 Louis of fifteen sor.s stiuck under-Louis XIV for circulatiou in French America. — Chase. On some fun- 

 damental propositions of centrai force. — Priggs. The flow of water through an opening in a pier- 

 ced piate. — Gatchct. Bemarks upon the Tonkawa language. — Trowbridge. On the atmospheres of the 

 sùn and planets. — Lesquereux. On the progress ofthe «North American Carboniferous Flora» now 

 in preparation. — Le Compte. Tabular synopsis of the Bhynchophoia of America. — Mansfield. On 

 refraction tables. — Carli. On E. S. Ntttleton's first systematic collection of oil well records in Ve- 

 cango County, Pa. — Chase. On centres of aggregation and dissociation. — Konig. On Astrophyllite, 

 Arfvedsonite and zircon from El Paro. — Ashln<rner. A measured section of the palaeozoic rocks 

 of centrai Pennsylvania. — Rane. Coahuila. — Cope. A continuation of researches among the Batra- 

 chia of the coal measures of Ohio. — Id. On a Dinosaurian from the Trias of Utah. Sadtler. On 

 the composition of the naturai gas from certain oil wells. — Kirhwood. On eight meteoric fire balls 

 seen in the United States from july 18 6 to february 1877. — llaynes. On the asserted antagonisms 

 between nicotin and strychnia. — Cope. On the brain of Coryphodon. — ■ Hall. On a new Eurypteroid 

 (Dolichoplerus MansfieldiJ from the coal measures of Pennsylvania. — Kirkwood. On the relative 



