1883.] 31 



as in an inland wood, spreading its wings in the gleam of the setting 

 sun, flitting away down to the edge of the precipice, or hanging with 

 closed wings on the heads of the cock's-foot grass. The only other 

 living creatures in sight were two or three pairs of herring-gulls 

 flying about the rocks, and uttering loud cries of defiance at the 

 intrusion. 



At the top of this slope I met with one Si/richtJius alveolus, almost 

 the only specimen seen this year, though carefully searched for in the 

 interests of a local museum. Lyccena Argiolus, formerly common here, 

 has also apparently disappeared, a victim to the rain. 



Pembroke : Wth June, 1883. 



NOTES ON HAWAIIAN MICRO-LEPIDOPTERA. 

 BY E. METBICK. 



I am indebted to the kindness of the Eev. T. Blackburn for the / 

 specimens on which th e fo llowing notes are founded. I had the \ 

 pleasure of making a rough general examination of Mr. Blackburn's 

 collection, from which it appears that the Micro-Lepidopterous fauna 

 of the Hawaiian Islands is highly specialized and very interesting. 

 So far as I could determine, Mr. Butler's identifications of those spe- 

 cies described by him are often erroneous ; a few of these I have here 

 corrected. The importance of a thorough investigation of this fauna 

 is very great, as bearing on questions of geographical distribution 

 and development. 



CONCHYLID^. 



Heteeoceossa, Meyr. 

 a. acliroana, n. sp. 



S ? ■ 18 — 20 mm. Head, palpi, antennae, thorax, abdomen, and legs whitish ; 

 palpi very long in both sexes, externally mixed with dark fuscous towards base ; 

 anterior tibiae mixed with dark fuscous. Fore-wings elongate, costa moderately 

 arched, apex round-pointed, hind margin straight, moderately oblique ; whitish, 

 thinly sprinkled with greyish-ochreous and fuscous, appearing ochreous-whitish ; a 

 tuft of raised scales on fold at one-third from base, and two others transversely 

 placed in disc beyond middle ; a few scattered raised scales : cilia whitish, sprinkled 

 ■with fuscous. Hind-wings and cilia whitish. 



Distinguished from all the other species of the genus by the en- 

 tire absence of dark markings. Two specimens taken on Mauna Loa, 

 at an altitude of 4000 feet. 



