inventory of our present knowledge of clones in development. The difficult 

 question of how clones relate to fields remains largely reserved for the 

 future . 



Most of the 13 reviews discuss clones, or the possible role of clones, in 

 Drosophila (3) , mammals (2) and plants (4) , as well as nuclear and genetic 

 events in clone initiation in man and plants (one each) . Two contributions 

 appear to have little or no relation to clones: that by Bryant on pattern 

 regulation in amphibian limbs, and that by Green on the control of gene ex- 

 pression by insertion mutants in Drosophila. 



The volume is well produced and illustrated. 



THEORETICAL AND MATHEMATICAL DEVELOPMENTAL BIOLOGY 



Monographs 



9. 



I.LAMPRECHT and A.I.ZOTIN, eds. 1978. THERMODYNAMICS OF BIOLOGICAL PROCESSES 



De Gruyter, Berlin, etc. XIV, 428 pp., 69 figs., 19 tabs., combined subject 



& taxonomic index. DM 180.00 



Contents: I. General problems of biological thermodynamics (3 chs.); II. 

 Qualitative phenomenological theory of the development of organisms (4) ; 



III. Quantitative phenomenological theory of development of organisms (5) ; 



IV. Heat production of living systems (6) ; V. Some problems of energetics 

 of developmental processes (3); VI. Dissipative structures (5); VII. Prob- 

 ability state and orderliness of biological systems (4) 



This book arose from a collaborative effort of the Central Institute for 

 Biochemistry and Biophysics, Free University, West Berlin and the Laboratory 

 of Developmental Biology, Academy of Sciences of the USSR, Moscow. Six con- 

 tributors belong to the former institute and 15 to the latter. Most authors 

 are adherents of the global approach to non-linear irreversible processes 

 based on the Prigogine-Wiame theory. Prior to publication the subject matter 

 was subjected to extensive discussion in various meetings in Russia and East 

 and West Germany. 



In their preface and concluding remarks the editors are careful to point 

 out that this area of study is still in its infancy. The main aim of the 

 book is to reveal basic problems and to summarise first results. The latter 

 are confined to studies by the authors which are still in progress. 



PLANT DEVELOPMENT (general) (see also 1,8) 



Textbooks 



10. 



G . FELLENBERG . 1978. ENTWICKLUNGSPHYSIOLOGIE DER PFLANZEN: eine Einfiihrung 

 Thieme, Stuttgart, XII, 242 pp., 101 figs., 20 tabs., combined subject & 

 taxonomic index. DM 16.80 (paper) 



This concise introductory text is surprisingly comprehensive in all its 

 terseness, and moreover didactically very clear. It is in five main parts: 

 General principles (genetic basis, information transfer, plant hormones, 

 external factors); Cell division and growth; Cell expansion; Morphogenesis; 

 Specific steps in differentiation. The last- of these covers more than a third 

 of the book and has 10 chapters on diverse subjects including rest periods 

 and activation, regeneration, turnover, gametogenesis, fertilisation and em- 

 bryogenesis. 



The book is well illustrated and has a list of modern supplementary reading 

 covering some 15 pages in small print and arranged by chapters. A suggestion 

 for a second edition would be the inclusion of a list of abbreviations and a 

 brief glossary of scientific terms. 



171 



