Symmetry and imperfections
p. 0001 | Venkataraman, G.

Announcements
p. 0009

Interaction of novel polycations with nucleic acids
p. 0010 | Mulimani, V. H.

Announcements
p. 0014

Structural similarity of platelet-derived growth factor (PGDF) to cancer-triggering virus p28 sis. implications in oncotherapy
p. 0015 | Hazra, D. K.; Saran, S.

News
p. 0017

Effects of onion in atherosclerosis in rabbits. III. Reduction of nucleic acids and proteins in aorta
p. 0018 | Vatsala, T. M.; Singh, Megha

News
p. 0021

Consumption and utilisation of certain cotton and chilli varieties by Spodoptera litura Fb.
p. 0022 | Dhandapani, N.; Kareem, A. Abdul; Jayaraj, S.

News
p. 0024

Microinjection of bacteriophage lambda into mycelium of the fungus Neurospora crassa
p. 0025 | Angerbauer, K. N.

News
p. 0031

Current Science - 50 years ago
p. 0032

Announcements
p. 0034

Thermoluminescence of Li doped MgO
p. 0035 | Bapat, M. N.; Sivaraman, S.

Dyesensitized photo-oxygenation of α -ketoglutaric acid
p. 0037 | Gandhi, Pinki; Dubey, Rakesh; Bokadia, M. M.; Sharma, T. C.

New glycosides from the stem bark of Alphanamixis polystachya
p. 0038 | Srivastava, S. K.; Agnihotri, V. K.

Record of marine paleocene sequence near Sanu, Jaisalmer, western Rajasthan
p. 0040 | Kalia, Prabha; Chakraborty, Durjoy

Crossability between triticale x Wheat and reversion patterns in early segregating generations
p. 0042 | Vishwakarma, S. R.; Mani, S. C.

Involvement of calcium in nitrogen fixation by Nostoc linckia
p. 0043 | Mishra, D. K.; Jha, M.; Kumar, H. D.

Chromosome number and karyotypic studies in Glycyrrhiza
p. 0045 | Verma, Sheela; Nadkarni, R. S.

Distribution of adrenaline and noradrenaline chromaffin cells in the adrenal gland of a fresh water turtle, Lissemys punctata granosa
p. 0047 | Rai, U.; Haider, Shamim

News
p. 0049

Book Reviews
p. 0050

Science News
p. 0051

Errata
p. 0052