300 



N. E. McINDOO 



ABBREVIATIONS 



lA, 3 A, fix-st anal vein, third anal vein 



AgCyt, deeply staining cytoplasm 



Art, articulation 



ArtCh, articular chitin 



ArtM, articulation membrane 



lAx, 2 Ax, 3 Ax, first axillary, second 

 axillary, third axillary 



AxC, axillary cord 



BC, body cavity 



BGl, alkaline gland of sting 



BlCor, blood corpuscle 



BlSin, blood sinus 



Brb, barb 



BrhHr, barbed hair 



C, costa 



Ch, chitin 



ChL, chitinous layer 



ChM, chitinous marking 



ChTh, chitin of thorax 



Con, cone 



ConnT, connective tissue 



Cu, cubitus 



Cyt, cytoplasm 



FFl, Forel's flask or sensilla ampuUacea 



Gv, groove 



Hr, hair 



Hyp, hypodermis 



HypCW, hypodermal cell wall 



HypNuc, hypodermal nucleus 



HypNuc^, hypodermal nucleus that has 

 formed a hair 



IXS, thick membranous lobe that over- 

 laps sting 



Let, lancet 



M, muscle 



MB, muscle bundle 



MBNuc, nucleus of muscle bundle 



Md, median plate 



MFl, mouth of flask 



N, nerve 



NB, nerve branch 



Neu, neurilemma 



NeuNuc, nucleus of neurilemma 



NeurNuc, neuroglia nucleus 



NF, nerve fiber 



NkFl, neck of flask 



Ob, oblong plate of sting 



Pg, peg, club, or sensilla basiconica 



For, pore 



PorAp, pore aperture 



PorApHr, pore aperture of hair 



PorB, pore border 



PorBHr, pore border of hair 



PorCl, pore canal 



PorHr, pore of hair 



PorPl, pore plate, pore canal, or sen- 

 silla placodea 



PorW, pore wall 



PorWHr, pore wall of hair 



PPg, pit pegs, champagne-cork organs 

 or sensilla coeloconica 



PsnCl, poison canal of sting 



PsnSc, acid poison sac of sting 



Qd, quadrate plate of sting 



R, radius 



R+M, radius and media united 



Sar, sarcolemma 



SarNuc, nucleus of sarcolemma 



SC, sense cell 



SCO, sense cell ganglion 



Sch, scutellum of mesotergum 



SCNuc, nucleus of sense cell 



SCNuc^, nucleus of sense cell without 

 cell wall 



SCNucl, nucleolus of sense cell 



SF, sense fiber 



Sh, shaft of sting 



ShB, bulb of shaft of sting 



SpHr^, 2, ^ three varieties of spinelike 

 hairs 



StnPlp, palpus of sting 



iTar, 2Tar, 3Tar, 4Tar, 5Tar, first to 

 fifth tarsal joints 



Tg, tegula 



THr, tactile hair or sensilla trichodea 



Tn, taenidia of trachea 



Tra, trachea 



TraNuc, nucleus of trachea 



Tri, triangular plate of sting 



1 to 21, groups 1 to 21 of the olfactory 

 pores 



