73 



twtli on the dorsal surface, one basal and the other at the 

 origin of the apical processes. At about two thirds the dis- 

 tance from the base, the apical slender portion is divided into 

 two apical processes, of which the ventral is stouter and only 

 ab(»ur two-thirds the Jength of the dorsal and is dorsally 

 curved. The dorsal ])rocess is ventrallv curved and somewhat 

 .strap-sha})ed. 



In D. sirezei/i the dorsal teeth are in a single group at the 

 base of the slender portion wliile the ventral teeth are hirger 

 and the teeth are much the same in D. mirabiUs. 



Described from 13 2 9,0 S S and one u\-mph, August 8, 

 1918 (O. H. Swezey) 21 9 9 , 10 6 3 and :. nymphs, Aug. 13 

 and Sept. 8, 1918 (J. C. Bridwell), collected on Euphorbia 

 IwoJceri integrifolia in lao Valley, Maui, Hawaiian Islands, at 

 elevations of 600-800 feet on the lower slope's of the ridges 

 rising out of the valley. 



Type i and allotype 9 . iiympli- and ]>araty]»es (|e])(isited 

 in the collection of the Hawaiian Entomologieal Society. Par- 

 atypes in the collections of the Hawaiian Sugar Planters' Asso- 

 ciation, the Bernice Pauahi P)ishop ^fuseum,, and in the pri- 

 vate collections of J. ('. r>ridwell, O. H. Swezey. and P. H. 

 Timber lake. 



]\Iy thanks are due to Mr. Frederick ^luir for the prepara- 

 tion of the drawing of the edeagus accom])anying and to Mr. 

 P. H. Timberlake for the dissect ion- ii|)on wliich the descrip- 

 tions of this species and /). sirczciji were based. 



>()'ri:s AX I) F.xiiiBiTroNs. 



Mdn'i Pclpltaciils. — .Mr. (Jiffard exhibited G species of Del- 

 phacidae collected on ^faui in August by ^Ir. T. F. Rock, viz. : 



From Mt. Eeke, ."i.OOO feet elevation. West ^laui: 

 1 specimen Nesorestlas n. sp., or Ilbuniia n. sj>. 

 If the latter. ])robablv a variety of T. fiilJniroi/i. 



