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SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. yj 



ABBREVIATIONS USED ON THE FIGURES 



AB, apical body. 

 ACy, association cyton. 

 Alv, alveolus. 

 AntNv, antennal nerve. 

 aTm, anterior tympanum. 

 aTr, anterior trachea. 

 Axn, axon, or neurite. 



GGng, gastric ganglion. 

 4Gng, fourth head ganglion (mandib- 

 ular). 

 SGng, fifth head ganglion (maxillary). 

 6Gng, sixth head ganglion (labial). 

 /Gng, first thoracic ganglion. 

 GiigCls, ganglion cells. 



BC, body cavity (of leg). 

 BM, basement membrane. 

 iBr, protocerebrum. 

 sBr, deutocerebrum. 

 SBr, tritocerebrum. 

 BIV, body wall. 



CCl, cap cell. 



CI, cell. 



Cn, crystalline cone. 



CnCl, cone cell. 



Ca:Com, circomoesophageal commis- 

 sure. 



Col, collateral. 



iCom, protocerebral commissure. 



2Com, deutocerebral commissure. 



3Com, tritocerebral commissure. 



Cor, cornea. 



CorCl, corneagenous cell, or corneal 

 pigment cell. 



Cr, crest. 



Ct, cuticula. 



Cy, cyton (cell body). 



Cyl, sensory cell of Type I 



Cyll , sensory cell of Type II. 



d, distal process of sense cell. 

 Dct, duct. 



Dm, dermis, endocuticula. 

 Do, dome. 



ECl, enveloping cell. 



Ect, ectoderm. 



Epd, epidermis, exocuticula. 



EW, wall of tympanal cavity. 



FrCom, frontal commissure. 



FrGng, frontal ganglion. 



FrNv, frontal nerve. 



Fas, fasciculus of sense cell processes. 



Hr, hair, seta. 



HrCl, trichogenous cell. 



HrMb, articular membrane of hair. 



Hy, hypodermis. 



ImO, intermediate organ. 

 IPgCl, iris pigment cell. 

 IT, first abdominal tergum. 



LhNv, labial nerve. 



LCotn, longitudinal commissure. 



LGng, lateral stomatogastric ganglion. 



LmNv, labral nerve. 



LW, leg wall. 



Mb, membrane. 



MbCI, cell of hair membrane. 



Mel, muscle. 



MCy, motor cyton. 



MdNv, mandibular nerve. 



MxNv, maxillary nerve. 



Nbl, neuroblast. 

 NIG, neural groove. 

 Nlm, neurilemma. 

 NIR, neural ridge. 

 Nu, nucleus. 

 Nv, nerve. 



CE, oesophagus. 

 CEGng, oesophageal ganglion. 

 ONv, ocellar nerve. 

 OpL, optic lobe. 



p, proximal process of sense cell. 



Pi, pit. 



PI, sensory plate. 



pTm, posterior tympanum. 



pTr, posterior trachea. 



