*~£t&u^Jff3c 



'^'^s-u: 



Fig. 13. — Mature larva of Tab anus punctifer. A, Mandible, dorsal side, appearing as the interior side in larve 

 with vertically placed mandible as the present larva : da, Dorsal articulating process ; it, tendon of interior 

 mandibular muscle (or flexor) ; mdp, proximal part of mandible; mdd, distal part of mar iible, 



top view: da, Dorsal articulating cxt, tendon of exterior mandibular muscle (or extensor' 



tendon of interior mandibular muscle (or flexor) ; r. rod in articulating membrane of mandib'. • Qtral 



condyle. €', Mandible, ventral side (appearing as the external side on account of the vertical position of the 

 mandible) : ext, Tendon of exterior mandibular muscle (or extensor) ; it, interior mandibular n 



■• , ; mdd, distal part of mandible; mdp, proximal part of mandible; ;•-, rod in articulating mom!': 

 vc, ventral condyle. D, Head capsule, anterior portion from inside : ata, Anterior tentorial arm ; dam, pi 

 for dorsal mandibular articulation; el, process from epicranium extending alongside of labrum ; ep, epipharyn- 

 sluu ; ram, process for ventral articulation of mandible. E, Paragnaths and hypopharyngeal ehitiniaa- 

 tions : hch, Hypopharyngeal chitinization ; H, part of ligula (the right glossa removed) ; oe, o 

 paragnath (=maxillulae=paraglossa). F, Anterior part of head from the • sal joint of 



second joint of antenna; a3, apical joint of antenna; afr, angulus frontalis: c, cardo ; ca, articulation of 

 • pharynx: ranium ; g, gular plate; I, lacinia ; li, ligula; Ip, two-jointed labial palp; 



proximal portion of mandible; md*. distal portion of mandible: mp t maxillary ttiree-joint rum: 



oc, ocellus; pf, palpifer. G, Spiracle of eighth abdominal segment: p. Peritrema, the chitinous 

 spiracle; tu, air tube of spiracle. H, Gular plate (nu). I. Entire head from above and tilted a little t 

 righl aft Lngulus frontalis; at, antenna; i - ; e, episton 



oc ocellus; tea, anterior attachment of tentorial arm; tep, posterior attachment of tentorial arm. 

 abdominal segment, right portion, flattened out: a, Ampulla; ck, dorsal region; 1,, lateral reg 

 spot where muscle is attached on inside; v*, ventral region. K, Posterior parr of 

 cranium; foroc, foramen occipitale ; tena, anterior tentorial arm (posterior portion). L, Spiracl 

 nal part of trachea of eighth abdominal segment: atr, Atrium, the hair-filled air chamber 

 tubes: h hair; tr, trachea (upper half removed); note the enforcing spiral in the wall; tu, air 

 [nside of prothorax and mesothorax, right portion, flattened out: d. Dors ' sgion ; I, lateral r - 

 spiracle; tr, trachea; v, ventral region. (Drawn by Adam G. Bbving.) ' 



67881 



p. 16.) 



