110 Dr. F. B. White o)i new Species 



Krciyer gives Norway, with doubt, as the habitat of his specimeos 

 of this species. 



EXPLANATION OF THE PLATES. 



Plate IU. 



Fig. 1. Arcfurm haffiyii, var. Feildeni; natui'al size. 



Fig. 2. Anonyx gulosus ?, sliglitly enlarged : «, head and antennae (lateral 

 Aiew) ; h, maxilliped ; c, (7, hands of first and second pairs of 

 legs ; e, end of postabdomen, showing the form of the third 

 segment; /, terminal segment and last pair of uropoda ; aU much 

 enlarged. 



Fig. .3. Onesimus Edicardsii, slightly enlarged : «, head and antennaB 

 (lateral view) ; 6, maxflliped ; c, rf, hands of first and second 

 pairs of legs ; e, end of postabdomen, showing form of third 

 segment (lateral A^iew) ; /, terminal segment and last two paii'a 

 of uropoda ; all much enlarged. 



Plate IV. 



Fig. 1. Branchipus {Braywhinedd) arcticus, greatly enlarged : a, one of 



the large prehensile antennae ; 6, one of the branchial feet ; 



c, caudal appendages ; all still faither enlarged. 

 Fig. 2. Lernceopoda arcturi, greatly enlarged : c, outer antemise ; b, first 



maxUiiped ; further enlarged. 

 Fig. 3. Nymphon hirtum, var. obtusidigitum, natural size : a, mandible ; 



b, c, one of the appendages of the fii'st and second pairs ; eu- 



largred. 



XV. — Descriptions ofneio Species of Heteropterous Hemiptera 

 collected in the Hawaiian Islands hy the Rev. T. Blackburn. 

 —No 1. By F. Buchanan White, M.D., F.L.S. 



Cydnidse. 

 Geotomus subtristis, n. sp. 

 G. subovatus, piceo-niger, subnitidus, pronoti margine postico, scutelli 

 apice, pedibus antennisque piceis, harum articulorum apicibus et 

 toto articulo ultimo, necnon tarsis piceo-luteis ; membrana sor- 

 dide albida, apicem abdominis paullo superante. Marginibus 

 capitis et lateralibus thoracis paucis pilis sat longis ciliatis. 

 Capite obtusiuscule rotundato, margine antico subreflexo, lobis 

 lateralibus parce punctulatis, lobo centrali ad apicem baud angus- 

 tato ; antennarum articulo sccundo quam tertius paullo breviore, 

 tertio, quarto, quintoque subaequilongis, duobus ultimis fusiformi- 

 bus. Pronoto antice et ad latera irregulariter rudeque punctato ; 

 disco laevi, fovea parva in medium, et pone medium fovea majore rude 

 punctata utrinque instructo; lobo postico 5 vel 6 rugis transversis 

 plus minus punctulatis iustructo ; angulis posterioribus laevibus 



