362 Occasional Papers Bernice P. Bishop Museum 
Mount Tantalus, Oahu, I, 14, 1906, (W. M. Giffard), 19, 
[Terr. Bd. Agr.]; VI, 24, 1906, 19, [Hebard Coll.]. 
Mount Olympus, Oahu, V, 18, 1919, (J. A. Kusche), 1 juv., 
| Hebard Coll. ] 
Manoa Valley, Oahu, VIL, 27; 1913, (O. Ho swezey)y ice 
(oc sere 
Palolo, Oahu, VIII, 24 and X, 6, 1906, (O. H. Swezey); 20, 
Pete seeleanatis 
Palolo- Crater’ Oahu, IV; 8, 1917, (Riot. Timberlake) ye 2iae 
[Timberlake and Hebard Colls.}. 
Waialae Iki, Koolau Mountains, Oahu, III, 8, 1917, (J. C. 
Bridwell), 14, [Bishop Mus.]. 
Kuliouou Valley, Oahu, VI, 25, 1916, (O. H. Swezey), 19, 
SESS Sisal Bhar a ele 
Kauai, Ill 26 to 1V, 14, 1010) (Jy AS usche)ee jiceeioee 
ewe, | lebard (Colls]|: 
Kalihiwai Valley, Kauai, X, 7, 1906, (W. M. Giffard; from 
ferm), ©, {| Terr. Bd) Agr]: 
Variation in size and in strength of the limb markings is shown by the 
series. ‘The specimens from Kilauea Volcano are the largest. 
P. pacificum is distinguished from all other known species of the genus 
by the greater number of veins in the lateral fields of the tegmina and by 
genitalic features. 
In the male the subgenital plate tapers more strongly distad and the 
lateral portions curl upward, the genital valves as a rule being wholly con- 
cealed. When these project they are seen to be terminated by two stout 
projections, diverging from the median line and not springing from the 
external portion of each valve, as do the projections of the genital valves 
in the other species of Paratrigonidium. 
In the female the ovipositor is distinctive in having the transverse 
suture median in position. : 
Though this species is said to be largely terrestrial, whereas 
the other species are thamnophilous or arboreal, the tarsal claws of 
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