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192

(1837-1884)
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192

pharyngis longi, teretes, sat graciles, parti duræ genarum
affixi; musculi retractores pharyngis teretes, sat graciles.

Oesophagi pars incrassata parva, inter cornua pharyngis
sita, ante musculo constrictore anteriore, ininore, aut musculo
nullo, post musculo constrictore posteriore, tenuissinio, tecta;
operculuni oesophagi minimum, musculis nullis, musculo
dila-tatore unico et tenuissinio excepto.

Oesophagi pars tenuis variabilis; musculi abductores
sti-lorum superiorum et inferiorum desunt.

Ductus salivalis tenuissimus; claustrum salivæ minimum,
infra apicem pharyngis situm.

Rostrum sub epistomate excavato fere recta porrectum,
longitudine valde variabile, J capitis vix brevius, interdum
corpore toto paulo brevius.

Ilaustellum labio nonnfhil brevius, e partibus 4,
longitudine sat diversis, compositum.

Labrum quam partes reliquæ haustelli niulto latius
altius-tjue, hypopharynge nonnihil brevius, apice producto, acuminato,
epipharyngem paulum superante; musculus depressor labri
niinor adest; epipharynx inagua, dura, basi sat lata, deinde
angustior, per spatium maj o rem -3 tübi formans, parte terminali
planiore, apice emarginato; musculi proprii epipharyngis parvi,
carinis epistoniatis atl’ixi; musculi labro-epipharyngei tenues,
lati, tæniæ dorsali labri affixi.

Hypopharynx tenuis, labella media circiter attingens, a
latere visa sæpe flexuosa, basi sat lata, sensim angustata,
apice pius niinusve acuto, superne nuda, et per totam
longi-tudinem concaviuscula.

Stipites maxillares majores, lunati, partibus membranaceis
circumdati, sub partes corneas genarum hypostomatisque
re-tracti et absconditi; musculi sat magni, adductores basi
trabe-cularum affixi.

Lobi maxillarum graciles, ad apicem versus saltem
ex-tenuati, labrum vix superantes, parce pilosi aut nudi.

Palpi maxillares graciles, exarticulati, musculis nullis.

Labium liaustello paulo longius, aut majorem partern
inem-branaceum aut totum corneum; lamina intermedia labellorum

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