USED IN ENTOMOLOGY. 63 



Homologous: implies that organs are identical in general structure and origin, 

 though they may have developed in different ways for special purposes : see 

 analogous. 



Homomorpha: insects in which the larvae resemble the adults. 



Homonomous: pertaining to homology of parts arranged on a transverse axis: 

 similarly developed and of equal function. 



Homonym: a name similar to or like another already used, for a species in 

 the same genus, or for a genus in the same kingdom : such names are said 

 to be preoccupied. 



Homonymous: where the same name is applied to different conceptions. 



Homophonous: words differently written but indistinguishable in sound, ap- 

 plied to different conceptions. 



Homoplastic: implies that organs, similar in situation and purpose, are not 

 structurally the same, or have not the same origin. 



Homoptera: an ordinal term applied to those Hemiptera in which the pri- 

 maries are of the same consistence throughout. 



Homotenous: retaining the primitive form: applied to insects without or 

 with an incomplete metamorphosis. 



Homotype: is a specimen named by another than the author after comparison 

 with the type. 



Honey dew: a sweetish excretion produced by certain insects, notably Aphids 

 and Coccids, and exuding from the surface of some galls. 



Honey tubes: small tubes or tubercles on the abdomen of plant lice and other 

 insects through which a sweetish liquid or honey dew is excreted : = siphon- 

 ets : siphuncles ; cornicles. 



Hood: of the maxilla is the galea; q. v.: in Tingitichr the elevated portion of 

 the prothorax, often covering the head. 



Hooked hairs: = gathering hairs: q. v. 



Horismology: see orismology. 



Horizontal: said of wings when held parallel to the horizon. 



Horn: a pointed chitinous process of the head: in the plural form applied to 

 the antennae : q. v. 



Host: the individual infested by or upon which a parasite grows: also applied 

 to the maker of a cell or other structure in which guest flies or other in- 

 sects take up their abode. 



Hudsonian zone: is that part of the boreal region comprising the northern 

 part of the great transcontinental coniferous forests. In the eastern United 

 States restricted to the cold summits of the highest mountains, from northern 

 New England to western North Carolina : in the west it covers the higher 

 slopes of the Rocky and Sierra-Cascade systems. 



Humeral: relating to the shoulder or humerus. 



Humeral angle: in Lepidoptera, that angle of the wings at the base of costa. 

 near the point of attachment to the body: in Coleoptcra, the outer am 

 angle of elytra: in Orthoptera, the obtusely rounded angle formed by the 

 deflection of the sides of the pronotum from the dorsum. 



Humeral bristles: in Diptera, are situated on the humeral callus. 



Humeral callus: in Diptera, is a rounded callus forming the anterior superior 

 angle of the mesothdrax. 



