45 



Rule 4. In the discussion of type material of insect spe- 

 cies, the following terms shall he used in the sense as defined 

 below : 



Type series. All the specimens studied by the author at 

 or before the time of the completion of the description and 

 specifically mentioned in the description. 



Type=liolotype. One individual selected by the author 

 to represent the species. 



Allotype. One individual of the opposite sex from tlie 

 type selected by the author from the type series to represent 

 that sex. 



Paratypes. The other specimens of the type series be- 

 sides the type. 



Cotypes. Members of the type series when no indi\ idiuil 

 has been selected by the author as a type. 



Lectotype. An individual selected from a cotyjoe series 

 subsequently to the publication of a description to take the 

 place of a type. 



Neotype, metatype, topotype. This Society disapproves 

 of the use of these terms, or any other word containing the 

 radical "type," except as applied to nuiterial before the au- 

 thor at the time of the couipletiou of the description. If an 

 author desires to employ any other terms with reference to 

 type nuiterial, these should be defined in the paper in which 

 they are used. 



Rule 5. Xo uusiiiiied articles, or articles signed by pseu- 

 donyms or initials, will he published. 



Rule G. The ordinal position of the group treated in any 

 paper must be clearly given in the title or in parenthes( s fol- 

 lowing the title. 



SuGGESTiox 1. All illustrations accompanying an ariicle 

 shonld he eiie(| in the text and ])referaltly in places where llii' 

 object illusti-ated is discnssed. All iihites slionld he itroxided 



