USED IN ENTOMOLOGY. 15 



and Mexico except the boreal mountains and tropical lowlands : divided 

 into transition, upper, lower and gulf strip: see boreal and tropical. 



Austroriparian faunal area: that part of lower austral zone covering the 

 greater part of the South Atlantic and Gulf States. Begins near mouth of 

 Chesapeake Bay, covers half or more of Virginia, North and South Caro- 

 lina, Georgia, Florida, Alabama, all of Mississippi and Louisiana, east 

 Texas, 'nearly all of Indian Territory, more than half of Arkansas and 

 parts of Oklahoma, s. e. Kansas, so. Missouri, so. Illinois, s. w. corner of 

 Indiana and bottom lands of Kentucky and Tennessee. 



Autotype: any specimen identified by the describer as an illustration of his 

 species and compared with the type or co-type. 



Auxiliary: additional, or supplementing. 



Auxiliary vein: in Diptera (Will.), = subcosta (Comst.). 



Axillae: two small, subtriangular sclerites at the lateral basal angles of the 

 meso-scutellum in Proctytrypidce. 



Axillary: placed in the crotch or angle of origin of two bodies; arising from 

 the angle of ramification. 



Axillary area: see anal area. 



Axillary calli: see calli axillary. 



Axillary cell: in Diptera (Will.), = 2d anal (Comst). 



Axillary excision: =a. incision, q. v. 



Axillary incision: Diptera; an incision on inner margin of wing, near base, 

 which separates the alula from the main part. 



Axillary lobe: the sclerite covering the base of the wing in Diptera; see 

 also alula and posterior lobe. 



Axillary vein: one or two longitudinal veins toward the inner margin from 

 the anal vein (Ephemeridce) ; a group of several (10-20) radiate veins 

 that occupy the anal field in Orthoptera. 



Axis: a small process at base of elytron, upon which it turns. 



Azure -eus: clear sky-blue [cobalt blue]. 



Azygos: unpaired; a structure without a fellow; sometimes applied to an 

 unpaired oviduct ; specifically the enlarged portion of the vagina at the 

 junction of the oviducts and thus = uterus. 



6 



Baccate -us: berry-like; applied to bladder-like ovaries from the surface of 



which the short ovarian tubes arise. 

 Back: the dorsum or upper surface. 

 Baculiform: rod or staff -like. 



Badius: liver-brown; clearer and lighter than castaneus [dragon's blood]. 

 Baenomere: a leg-bearing (thoracic) segment. 

 Baenopoda: the thoracic legs. 

 Basnosome: the thorax. 

 Balancers: see halteres. 



Bald: without hair or other surface vestiture : see bare. 

 Band : a transverse marking broadej than a line. 



