j^ Tha West Ametican Scientist. 



4009. Sketch oi' a new classitication ot roses. By Fniiicois 

 Crepin. Reprinted from the |our. ofthe Royal Hort.Soc, pt. 

 3, vol. XI., October, 1889. 12 pp. From the author. 



4010. Quintessence ot" socialism. By A. Schaffle. Trans 

 lated from the 8th German edition by Bernard Bosanquet. M. A.., 

 New York. Humboldt library, No. 124. 1890. Price 15 cents. 

 From the publishers, 28 Lafayette place. 



401 1. Darwinism and politics. By David G. Ritchie, M. A., 

 and Administrative Nihilism. By Thomas H. Huxley, F. R. S., 

 New York. Humboldt library, xNo. 125. 1890. Price 15 cents. 

 From the publishers. 



4012. Physiognomy of expression. By Paolo Mantegazza. 

 Part 1, %, New York, Humboldt library, No. 126 (double num- 

 ber). Price 30 cents. 



4013. Same. Part 2. Price 30 cents. From the pdbliyhers. 



4014. Cactaceous plants; their history and culture. By Lewis 

 Castle. With numerous illustrations. London, 1884. 8vo. 93 

 pp. Price one shilling. From Dr. P. Radenhausen. 



4015. Organogenic de la classe des Cactoides (Cactees, Fi- 

 ooides et Tetragoniees), et de celle des Berberinees (Berberidees, 

 Menispermees), par M. Payer. Ext. des Ann. des .Sdi. Nat., 

 XVHL 1-24- With 6 plates. P>om Dr. P. Radenhausen. 



4016. Enumeratio diagnostica Cactearum Hucuscjue Cogni- 

 tarum. Auctore Ludovico Pfeiffer. Berolini. 1837. Svo. 192 pp. 

 From Dr. P. Radenhausen 



4017. Revue de la Famille des Cactees avec des observations 

 :sur leur vegetation et leur culture, ainsi que sur celles des autres 

 plantes grasses, par M. A. P. DeCandolle. Paris, 1829, 4. 120 

 pp. 21 plates. From Dr. P. Radenhausen. 



4018. Monographia Generis Melocacti. Auctore F. A. Giiil. 

 Miguel. 1840. From Dr. P. Radenhausen. 4. t20 pp.. I'l 

 plates. 



4019. Cactearum aliquot novarum ac insuetarum in Horto 

 Monvilliano cultarum accurata descriptio. Faciculus primus. 

 Curante C. Lemaire. 1838. 4. 40 pp. and plate. From Dr. P. 

 Radenhausen. , 



4020. Cacteae in Horto Dyckensi cultae anno 1849. Jos. De 

 Salm Dyck. 1850. From Dr. P. Radenhau.sen. 



