USED IN ENTOMOLOGY. 109 



Procerebrum: the anterior part of the brain, formed by the ganglion of the 

 first primary segment ; also termed ocular lobe, from the part it innervates. 



Process: a prolongation of the surface, margin, or an appendage: any promi- 

 nent portion of the body not otherwise definable. 



Process of labrum: in bees = appendicle ; q. v. 



Procidentia: the narrow projecting tip of 7th dorsal segment in Nematince. 



Proclinate: directed forward; applied to hair or bristles. 



Proctodaeum: the invagination of epiblast that produces the anus and intes- 

 tine as far forward as and including malpighian tubes. 



Proculiform or Poculiform: hollow, cylindrical, with a hemispherical base, 

 the sides at top straight : goblet-shaped. 



Procumbent: trailing; prostrate; lying flat. 



Produced: drawn out; prolonged; extended from. 



Proeminent: said of the head when it is horizontal and does not form an 

 angle with the thorax. 



Profile: the outline as seen from the side. 



Profound, Profundus: deep. 



Prognathus: having the jaws directed forward. 



Progoneate: with the genital opening on an anterior body segment. 



Progonia: the anterior angle of the secondaries. 



Proleg: any process or appendage that serves the purpose of a leg: specifi- 

 cally the fleshy unjointed abdominal legs of caterpillars and certain saw-fly 

 larva : = abdominal feet : false legs. 



Proloma: the anterior margin of the secondaries. 



Prolonged: extended or lengthened beyond ordinary limits. 



Promeros: the first abdominal segment in Lepidoptera. 



Prominent: raised or produced beyond the level or margin: standing out in 

 relief by color or otherwise : conspicuous. 



Promuscidate: with proboscis or extended mouth structure. 



Promuscis: an extended mouth structure: has been applied to the long tongue 

 of bees and to the rostrate structure in Hemiptera. 



Pronotal carina: in Orthoptera, the main or median carina on pronotum. 



Pronotum: the upper or dorsal surface of the prothorax. 



Pronucleus: the nucleus of male and female elements, spermatozoa and ova, 

 the union of which forms the nucleus of a fertilized ovum. 



Pronymph: is that stage in certain metabolous insects in which the larval 

 tissues are completely broken down, and the imaginal tissues are just be- 

 ginning to build up. 



Proparaptera: the paraptera of the prothorax; the term is erroneously ap- 

 plied in this connection. 



Propedes: = prolegs ; q. v. 



Prophragma: the anterior dividing wall of meso-thorax, which is horny and, 

 at its upper edge, bears the connecting membrane between pro- and meso- 

 thorax. 



Prop-leg: = pro-leg ; q. v. 



Propleura: the lateral portions of prothorax. 



Propleural bristles: in Dipt era, are situated immediately above the front 

 coxa : = prothoracic bristle ; q. v. 



