648 PROCEEDINGS OF THE NATIONAL MUSEUM. 



ep Epiatoma. 



eph Epipharynx. 



er Epipharyngeal rod. 



eust Eusternum. 



ex Place where extensor muscle of mandible attaches. 



ext Spiracle-bearing extension from tergum. 



/. Frons. 



fe Femur. 



Jil Filament at the apex of the second antennal joint. 



Jl Place where flexor muscle of mandible attaches. 



fn Furcal notch. 



g Rudimentary galea. 



gu Gular region. 



h Hypostoma. 



hr Hypopharyngeal rod. 



htri. . . .Triangular enlargement of hypostoma. 



hy Hypopharynx. 



I Stipes labii. 



la Lacinia maxillaria. 



li Ligula. 



lo CMtinous plate in membrane between cardo and hypostoma. 



Ip Labial palpus. 



Ir Labrum. 



m Mentum. 



md Mandibles. 



mea Median ventral area of the collar between head and prothorax. 



mo Molar portion of the mandible. 



7ns Small chitinous spots indicating muscle attachments. 



oc Ocellus. 



pasc. . . -Parascutum. 



past Parasternum. 



pcx Hypopleurum. 



pgc Chitinized portion of palpiger. 



ph Pharynx. 



pig Palpiger maxillae. 



pll Pleiu-al lobe. 



pn Posterior cuneal notch. 



por Pore in the skin. 



prst Presternum. 



psc Prescutum. 



rim Retinaculum. 



sc I. Anterior portion of scutum. 



sc II . . -Posterior portion of scutum. 



scl Scutellum. 



se Sensory papillae of the apical joint of the maxillary palpus. 



SOT Submentum . 



sp Spiracle. 



spa Spiracular area. 



st Stipes. 



std I. — Distal portion of the dorsal surface of stipes maxillaris. 

 std II.... Basal portion of the dorsal surface of stipes maxillaris. 



stl Sternellum. 



stm Membrane of the distal end of stipes. 



stp Sternoplevu-al or sublateral suture. 



