12 



Psyche 



[February 



Lettering of Figures. 



am =antennal muscle 

 an = antenna 



art. man. s. = articulation of mandib- 

 ular setae 



= dorsal base of labium 



= brain 



= clypeus, lateral edges of 

 (lorae) 



= clypeal region 



= dorsal plate of pharynx 



= dorsal wall of labium 



= epipharynx 



= eye 



= elevator muscle of labium 



= frontal ridge 



= ginglymus articulation of 

 mandibular setse 



= gen8e 



= gular region 



= head capsule 



= hypopharynx 



= mandibular pillar 



= labium 



= labrum 



= labrum-epipharynx 

 m = muscles 

 man. s. = mandibular setae 

 max. s. = maxillary setae 

 ms = maxillary suture 

 msl = membraneous sleeve 



bl 

 br 

 c 



clr 

 dph 

 dwl 

 e 



em 



gu 



he 



hyp 



k 



lab 



lb 



le 



mxp 



n 



oc 



occ 



oe 



ph 



phm 



pm^ 



pm"^ 



pt 

 pih 



sd 

 sg 

 sp 

 spm 



St 



t 



tbm 

 ts 

 tr 



V 



vbl 

 vph 



vwl 



= maxillary plate 



= nerve 



= ocellus 



= occiput 



= oesophagus 



= pharynx 



= pharyngeal muscles 



= protractor muscle of mandi- 

 bular setae 



= protractor muscle of maxil- 

 lary setae 



= syringe-tongue 



= prothorax 



= thickened rim of head-capsule 



= retractor muscle of labium 



= setae 



= salivary ducts 



= sub-cesophageal ganglion 



= salivary syringe 



= salivary syringe muscles 



= pharyngeal strut 



= tendon 



= triangular base of mandible 

 _ = tentorial structure 



= trachea 



= valve of syringe 



= ventral base of labium 



= ventral plate of pharynx 



= ventral wall of labium 



