tated in an inexcusable manner. Moreover, even though printed on 

 glossy paper, they are often inferior in quality to the corres- 

 ponding ones in the other book; several lack contrast, some of 

 the blocks seem to be badly scratched, etc. The only positive 

 point is the presence of an index. 



Symposium reports 



67. 



N.A.DZAVAKHISHVILI, N . N.DZIDZISHVILI , and I .C .MEPISASHVILI , eds. 



1971. REACTION AND REGENERATION PROCESSES IN THE CENTRAL NERVOUS 



SYSTEM (in Russian) 



Sabchota Sakartvelo, Tiflis. 244 pp., 70 figs., 12 tabs. 



Proceedings of a conference held in Tiflis in December, 1968; 

 26 research papers, most of them with English summaries; 2 pa- 

 pers in German (Kirsche, Richter); most papers deal with mammal- 

 ian CNS, three with lower vertebrates, six with peripheral NS, 

 and two with invertebrates. 



Collections of papers 



68. 



A.P.AVTSYN, ed. 1973. DEDIFFERENTIATE! IN REGENERATIVE PROCESSES 



(in Russian) 



Moscow Univ. Press, Moscow. 99 pp. 



Contains seven articles ranging in length from 10 to 20 pp., 

 by the following authors: Dedov, Korotkova and Tokin, Liosner, 

 Lopashov, Sarkisov, Studitskij, Fridenshtejn; various regenera- 

 ting, metaplastic, regressing, and asexually reproducting sys- 

 tems are considered. 



Books of readings 



69. 



BIOLOGY OF TURBELLARIA: experimental advances. 1973. Vols. I and 



II 



MSS Inf. Corp., New York. Vol.1 175 pp., 72 figs., 10 pis., 10 



tabs. $ 15.00; Vol.11 188 pp., 42 figs., 14 pis., 38 tabs. 



$ 17.50 



For general characterization of the series, see review no. 139. 

 Vol.1: Out of 15 papers, three (by Koscielski) deal with the em- 

 bryology of Dendrocoelum lacteum (1964- f 67) ; other papers on ul- 

 trastructure, molecular and cell biology, and behaviour. 

 Vol.11: Out of 11 papers, four deal with regeneration in Dugesia 

 (authors: Ansevin, Betchaku, Marsh, years of publication: 1967- 

 1970); other papers on pathology and radiation biology. 



70. 



LIVER REGENERATION. 1973. Vol.11 



MSS Inf. Corp., New York. 213 pp., 100 figs., 34 tabs. $ 15.00 



For general characterization of the series, see review no. 139. 

 Enzyme changes (8 papers), portal blood factor (2), vascular ef- 

 fects (2), drug effects (7), radiation effects (2). First authors 

 Banerjee, Chernozemski, Coggle, Dinman, Donohoo, Fausto, Fisher, 

 Plenderson, Japundzic, Koizumi, Looney, Morais, Morris, O'Connor, 

 Ortega, Patterson, Queener. Years of publication: 1968-1971. 



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