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344

(1837-1884)
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344_

1. Livoneca vulgaris.

Livoneca vulgaris Stirapson, Crust. Echin. Pacif. 1857 p. 68.

t. XXII. f. 9.

Femina ovigera. Vir g o adolescens.
Tab. XIV. (Cym. XXXII). Fig. 1-2.

Subovata, pius minusve contorta, convexiuscula, utrinque pius
minusve scabrosa, pius sesqui longior quam latior (fere
7:4 vel 8:5).

Caput parvum vel mediocre, subtrigonum, ante profunde
im-pressum, quam annulus quartus trunci quater ferme
an-gustius, fere sesqui latius quam longius, alte immersum,
fronte lata, rotundate truncata.

Oculi manifesti, mediocres, subovales.

Antennæ primi paris compressiusculæ, late distantes, angulum
priorem annuli primi trunci articulo quarto vel quinto
attingentes, articuluin octavum vel nouum antennarum
secundi paris ferme explentes; 8-articulatæ.

iintennæ secundi paris compressiusculæ, quam antennæ primi
paris paulo tenuiores, angulum priorem annuli primi trunci
articulo quarto fere attingentes; 11-articulatæ.

Margo anticus annuli primi trunci in medio late, ad angulos
manifesto sinuatus, angulis brevibus, incurvis, angustatis,
obtusiusculis; latera annuli manifesto constricta, flexuosa,
vel in angulum obtusum producta.

Anguli postici annulorum priorum trunci vix prominuli,
rotundati, annulorum posteriorum ferme evanidi.

Epimera paris primi et secundi subincurva, longiuscula,
latius-cula, post valde dilatata, in obliquum rotundate truncata;
paris tertii et quarti subpendula, perlonga, angustiuscula
vel angusta, post multum dilatata, in obliquum truncata
vel late rotundata; paris quarti et quinti declivia vel in
æquum porrecta, perlonga, angustiuscula, post angustata,
obtusiuscula vel acutiuscula. Epimera quaterna priora
angulum annuli spatio parvo non attingentia; bina post-

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