M.eé 
(M. Jee Invertebrates. 
a. Insects. 
Be Other noxious or beneficial groups, botanically conside 
de 
_ (For botanical and mixed plankton studies, tie lid, Ma.) 
N. Metérology. 
0. Geography, geology and palaeontology. 
ae Reports and transactions. (Subdivided sascraphieai} similarly to 
Aedes Local reports, maps, etce, are arranged in their wae” 
geographical position under Db). 
be vournals (Subdivided geographically similarly to Af). 
ce Palaeontology. 4 fuBorwnd nat Anoher sms ) 
1. Fossil palynolosy. | i 
de Geography. 
1. Cartography 
2. Maps 
P, Microscopy and laboratory technique. 
ae Reports and transactions. (Subdivided geographically similarly 
to Aca? 
b. vournalse (Subdivided geographically similarly to Af). 
R. Seedemend Catalogues. (See AeB for garden and park seed lists, and Jd 
for trade directories). 
S. Museum pt Herbarium methods and facilitiess Collectors’ manuals, 
wall charts, class-room adjuncts. Teaching techniques and methods. 
(For museum reports, etc. see AeB. see also li,?,2). 
