COLEOPTERA 239 



are long and narrow, their striation moderately fine. The long antennae and legs are 

 clear yellow. 



This is a rare species, but Mr Perkins has obtained in all 2,"] specimens that I 

 attribute to it. If I am correct in treating them all as one species, it is a variable one, 

 and one that occurs in two islands, viz. Molokai and Maui. The specimens from Molokai 

 vary to some e.xtent in the shape of the thorax and the depth of the striae of the elytra. 

 The e.xamples from Maui also vary a little in these respects ; they have on the whole the 

 thora.x a little broader, and its hind-angles very sharply defined, but these characters — 

 bearing in mind the variation — are not sufficiently marked to justify treatment of the two 

 as distinct. 



I have examined the vestigial wings in one of the Molokai (Plate \T. fig. 19a) 

 e.xamples, and find that they are peculiar in being about twice as long as is usual in 

 Metromenus, they e.xtend considerably beyond the spiracle and are fully i mm. long 

 instead of half a millimetre as is the rule in most of the other flightless .species. 



I have also examined (Plate Yl. fig. 19) the.se organs in a specimen from Haleakala. 

 Maui, and find that they are distinctly larger than they are in the Molokai specimen, 

 being about li mm. long. This does not seem to be beyond the limits of variation, and, 

 unless it should be confirmed as a constant distinction after the e.xamination of more in- 

 dividuals, cannot be considered an evidence of the two forms being distinct. 



H.\B. Molokai, Maui. Molokai, 4000 — 5000 tt. on several occasions, but very rare 

 (Perkins). Maui, Haleakala, 3000 — 5000 ft., on several occasions, but always rare 

 (Perkins). 



(16) Mctromcims cine tits sp. nov. 



Elongatus, piceo-ferrugineus, antennis pedibusque elongatis flavis ; elytris ad apicem 

 et ad latera testaceo-cinctis ; prothorace hand transverso, basin versus angustato, angulis 

 posterioribus perfecte rectis ; elytris sat profunde striatis. Long. 9 — 10 mm. 



This is distinguished from .some of the specimens of M. sphodriforniis only by the 

 elytra being broadly and definitely pale at the tips ; this yellow colour also extends for- 

 wards along the sides. 



We have received only a small series of ten specimens, and it is doubtful whether it 

 may prove distinct from M. spliodriformis. 1 have suggested (but with the greatest 

 doubt) that Mesothriscus collaris ma)' be a sport of this species. 



H.\B. Molokai, 4000 — 5000 ft., June 1893 (Perkins). 



(17) Mctro))ienus fossipcnnis. Blackburn. 



Anchovifnus fossipennis Blackburn, Ent. Mo. Mag. xiv. 1877, p. 146. 

 A rather small Metromenus of dull red colour, with deeply striated el)tra, and witli 

 F. 11. III. 31 



