GLOSSARY AND INDEX OF SCIENTIFIC 



TERMS 



In the following glossary, references to pages on which scientific 

 terms have been more fully described are indicated by heavy type. 

 Page references are not given where words are in constant use. 

 When a word is in general use in more senses than one, it is ex- 

 plained below in relation to the sense in which it is used in the text 

 of the present volume, and with reference to the particular groups 

 of animals considered. 



Aktograph — apparatus for recording locomotory activity 24, 25 

 Anamorphosis — development involving transformation, characteristic 



of millipedes, during which additional segments appear at each moult 



or ecdysis. Cf. Epimorphosis (q.v.) 35, 57, 63 

 Apophysis — projecting outgrowth or process 

 Aposematic coloration or sound — conspicuous warning or advertising 



coloration or sound, found in or produced by distasteful, poisonous or 



otherwise formidable animals and their mimics. Cf. Cryptic (q.v.) 79, 



80, 163, 170, 194-5 

 Arolium — median tarsal lobe forming a pad or sucker beneath the claws 



of the leg of false-scorpions, etc. 1 03 

 Asparagine — amino-acid found in plant tissues and known to be strongly 



attractive to wireworms and other insects 27 

 Autotomy — reflex separation of part of the body; self-amputation 50, 



52,137,141 



Basiconic sensillae — conical sense-organs found in Arthropoda 22, 23, 

 27,66 



Batesian mimicry — imitation of the conspicuous appearance of a dis- 

 tasteful, poisonous or otherwise formidable species by a harmless one 

 171 



Berlese funnel — apparatus for extracting small animals from leaf litter 

 and other debris which is placed in a horizontal sieve above a funnel. 

 Heat from an electric light or a water-jacket dries the debris so that the 

 fauna is driven downwards and eventually falls through the sieve and 

 funnel into a bottle of preservative 1 02 



Calamistrum — comb of short spines on the metatarsi of the fourth legs 

 of some spiders 151,167 



220 



