AR 1978-79.pdf - Birbal Sahni Institute of Palaeobotany

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2 like phase contrast, interference contrast and scanning electron microscopy. 1.2. Thin ~ections and maceration of 38 samples from the Pre-Cambrian-Cambrian boundary of sections in Lahaul and Spiti districts of Himachal Pradesh have yielded interesting microbiota. 2. PALAECZOIC 2.1. Morphological studies in the Glossopteris Flora 2.1.1. PI"idophYles A morphological and biomctric study on the in situ SPOlCS of four Lower Gondwana ferns, viz., Dizeugotheca, Phegopteroides, Dichotomopteris major, D. lindlqii and Neomari· opteris hughesii has revealed certain interesting points, viz., two morpi\Qlogically distinct species have been found to produce closely similar spores whereas in one species the spores possc.
B. Five distinct types of Glossopteris leaves were studied in detail from the external morphological as well as cuticular point of view f, om the Raniganj Stage of Raniganj Coalfield, West Bengal. Type·} leaves arc characterized by open meshes with narrow elongate form. Type-2 leaves are broad spathulate in shape with narrow mesh pattern. Type-3 leaves are narrow elongate in shape where the secondary veins arc arched and form narrow elongate meshes. Type-4 leaves arc also narrow in shape but show a thick and solid midrib with intermediate mesh pattern. The leaves ofTypc-5 arc lanceolate in shape where the secondary veins arc arched and form short and narrow meshes. All the 5 types of leaves have yield~d distinct types of cuticle. 2.2.2. Lower Gondwana Flora from Kamthi beds of Wardha Godavari Valley, Maharashlra Fossil plants collecl('d from the Kamthi beds of Kanhargaon, Chandrapur District and Bazargaon, Nagpur District, Maharashtra were studied and results have been incorporated in a Ph. D. Thesis. It deals with the impressions ofptcridophytes, Glossopteris Flora and petrified gymnospermous wooels. Grthase, two species of Glossopteris and 13 species of gymnospermous woods are new. The investigated flora ofKamthi beds has been correlated with the known flora of equivalent formations and an Upper Permian age has been assigned to it. 2.3. Glossopteris Flora from. Pachwara Coalfield The study of fossil plan ts and miospores from a Lower Gondwana bed exposed near the village Tattitola, Pachwara Coalfield, Bihar has becn completed. The megafossil assemblage is characterized by the dominance of open mesh 3
Page 3: ANNUAL REPORT 1978-79 BIRBAL SAHNI
Page 6 and 7: Reviewing Committee 40 Distinguishe
Page 8 and 9: 8. Maturation studies on organic ma
Page 12 and 13: 4 Glossopteris leaves alongwith the
Page 14 and 15: 6 from the Horth-western part of th
Page 16 and 17: 8 Three papers from the Jurassic-Cr
Page 18 and 19: 10 Studies on the fossil frui ts of
Page 20 and 21: 12 4.2.2. A. Compilation of geologi
Page 22 and 23: 14 B. Palynostratigraphy of Western
Page 24 and 25: 16 reals. Pine pollen is about 10 p
Page 26 and 27: 18 Geomorphological studies on some
Page 28 and 29: 20 samples including anthracite bac
Page 30 and 31: 22 assemblage from Vriddhaehalam ar
Page 32 and 33: 24 hole. AnnIs Mus. Y. Afr. cent.)
Page 34 and 35: 26 Singh, R. Y. & Singh, H. P. (197
Page 36 and 37: 28 3. Dr V. P. Mishra, Geologist, P
Page 38 and 39: 30 Colloquium on "Micropalaeontolog
Page 40 and 41: 32 Khan, H. A. Lakhanpal, R. :\. As
Page 42 and 43: 34 Member, Subsector Allergy and Ap
Page 44 and 45: 36 In the evening at 5.30 p. m. Pro
Page 46 and 47: 38 Besides, 70 current periodicals
Page 48 and 49: 40 2. Mr B. P. Patra, Department of
Page 50 and 51: 42 THE GOVERNING BODY, FINANCE & BU
Page 52 and 53: Director, Birbal Sahni Institute of
Page 54 and 55: 46 Dr Sunirmal Chanda, Bose Insti t
Page 56 and 57: 48 DEPARTMENT OF MESOZOIC PALAEOBOT
Page 58 and 59: 50 LIBRARY MUSEUM ShriJ. N. Nigam,
Page 61 and 62:
Statement for if Accounts the Year
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55 OF PALAEOBOTANY, ON 31st MARCH,
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57 ASSETS AMOUNT Rs. AMOUNT Rs. App
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59 AMOUNT Rs. AMOUNT Rs. Founder's
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61 ASSETS AMOUNT R•• AMOUNT Ro.
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63 PALAEOBOTANY, LUOKNOW FOR THE YE
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NON-PLAN R Rs. •. TOTAL PLAN Appl
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NON-PLAN R•. Rs. TOTAL PLAN Re- f
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69 INCOME PLAN NON-PLAN TOTAL Rs. R
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71 INCOME PLAN NON-PLAN TOTAL Rs. R
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73 INCOME Total B/F PLAN NON-PLAN T
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75 PALAEOBOTANY, LUCKNOW THE PERIOD
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NON·PLAN Ro. TOTAL PLAN SelectionC
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construc~~ 7,250.00 NON-PLAN PLAN C
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NON·PLAN R •. •• TOTAL PLAN
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PLAN Seward C. A. NON.PLAN Rs. R•
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NON-PLAN R •.TOTAL R PLAN staff G
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87 PAYMENTS By Miscellaneous : Inco
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89 PAYMENTS PLAN 3.•. NON·PLAN R
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Subject to above remarks, we have o
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AR 1978-79.pdf - Birbal Sahni Institute of Palaeobotany

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