470 LhiiKBa Bin Journal fur die Botaink, ^c. 



and of various serpents in South America; in short, whilst the heat 

 of the sun in tropical climates produces periodically a diminution of 

 vital energy, the absence of that heat in our latitudes produces si- 

 milar effects, as shown by the torpidity or " vita minima" of the 

 animals under consideration, both being parts of a comprehensive 

 and uniform system pervading every branch of animated nature. 

 Continuation of Prof. Mitschbrlich's Observations on the ef- 

 fects of Oxyde of Copper on the Organization of Animals 



Stannius on the effects of Strychnine on the nervous system. 



Reichart on the Changes which take place in the Viscera in 



Birds and Mammalia. Grube on the Anatomy of Sipunculus nu- 



dus. Professor Weber's microscopic observations on the Mo- 

 tion of Lymph in the lymphatic vessels of the Larva of the Frog. 



Linncea, — Ein Journal fur die Botanik, Sfc. Vol. xi. Parts 2 and 3. 

 (Continued from Vol. i. p. 588.) 



Buck on the Cape Plants of the genus Echium. ■Trinius on 



a new grass, Zenkeria elegans, a native of the East Indies, allied 



to Festuca. Remarks on Lichens by Hampe. Description of 



Echinocactus xanthacanthus, spec. nov. Revision of the genus 



Anoda by D. von Schlechtendal. Description of Webera 



Meyeniana, spec. nov. from Chili, and of Sporledera, genus no- 

 vum muscorum frondosorum Phascaceorum, by E. Hampe Ce- 



SATi on the genus Ambrosinia, on monstrous varieties of certain 



plants, and on some of the Umbelliferse. Description of a new 



species of cane, Canna Altensteinii. Notaresia, novum genus 



muscorum, proposed by E. Hampe, containing three species, N. Ca- 

 pensis, N. Virginica, and N. Italica. 



