338 



THE COLOUES OF ANIMALS 



I. Apatetic colours 

 Colours resembling some part of 

 the environment or the appearance of 

 another species. 



A. Cryptic co- 

 lours. — Protective 

 and Aggressive Re- 

 semblances. 



1. Procryptic co- 

 lours. ■ — Protective 

 Resemblances. 



2. Anticryptic co- 

 lours. — Aggressive 

 Resemblances. 



B. Pseudosematic 

 colours. — False 

 warning and sig- 

 nalling colours. 



1. Pseud ciposema- 

 tic colours. — Pro- 

 tective Mimicry. 



2. Pseudepisema- 

 tic colours. — Ag- 

 gressive Mimicry 

 and Alluring Co- 

 louration. 



II. Sematic co- 

 lours.— Warning 

 and signalling 

 colours. 



1. Aposematic 

 colours. Warn- 

 ing Colours. 



2. Episematic 

 colou7-s. — Recog- 

 nition Markings. 



III. Epigamie 

 colours. — Colours 

 displayed in court- 

 ship. 



Having thus shown the relationship between the 

 main groups into which the subject may be con- 

 veniently arranged, it will be useful to construct a 

 more detailed table, giving the minor subdivisions 

 and bringing forward numerous examples. The new 

 terms are also defined as precisely as possible. The de- 

 tailed table is in fact an extremely condensed abstract 

 of the whole volume. 



It is of great interest to note that the advantages 

 gained under each of the main divisions (I. A, I. B, II., 

 and III.) may be attained by the corresponding use of 

 adventitious objects. Such adventitious colours are 

 introduced in the lower part of the table. 



Further inquiry will render the classification more 

 detailed and complete. Thus it is obvious that some 

 of the instances grouped under Aposematic, Pseudapo- 



