WycxHorr (N.). — Alfalfa in California. (Monthl. Rep. Aer. 
Washington, 1872.) 16 
Zappaca. — Vortrag über die geologischen Verhältnisse der 
russischen Ostseeprovinzen. (Schr. Phys. Œk. 
Ges. Künigsberg, V.) 11 
ZeccHini (P.).— Programma di un libro di Geologia. (Atti. Soc. 
Ital. Sc. nat. X.) 093 
ZoLLIKOFER. — Esposizione dei differenti sisteme geologici. 
(Ib. VI.) 
ANONYME. — Indicazioni relative alla Commissione di Geologia 
nel Portogallo. (Ib. VIII.) » 
_- Regolamento della Societa [taliana di Scienze natu- 
rali. ([b. X.) » 
—  Hints in Horticulture. (U. $S. Dep. Agr. Rep. 
Comm. 1868.) 15 
— The Cranberry interest. (Ib. 1869.) » 
— The Jenequen or Sisal-Hemp. (Ib. ib.) » 
— Minor vegetable Products and their sources. (Ib. 
1870.) 0 
— Grasses of the plains and eastern slope of the Rocky 
Mountains. (Ib. ib.) ù 
— Food products ofthe North-American Indians. (Ib.ib.) Ù 
— The Ramie (Boehmeria tenacissima). (Monthl. Rep. 
Agric. Washington, 1867.) 16 
_ Hungarian grass (Panicum germanicum). (Ib. ib.) 
— What is Ramie? (Ib. 1870.) » 
— Rheea fiber. (Ib. ib.) » 
— The North American Desert Flora between 32 and 
42 North Latitude. (Ib. 1871.) » 
— Condurang'o. (Ib. ib.) 
— Statuts de la Société Belge de Microscopie, fondée le 
12 juillet 1874. — Bruxelles, 1 broch. in-8c. 974 
_ 
