COLEOPTERA 291 



under logs only (I think) ; the others always under stones, and they sometimes range 

 abroad in daylight, especially the Molokai species." 



Barypristits. p. 208. " B. rupicola untler rocks. B. inccndiariiis subarboreal ; 

 generally under bark of Koa, very low down, near the ground ; or near the ground under 

 bark. Sometimes under a detached Koa limb on the ground." 



Baryiie7ts, p. 209. This fully-winged form is " truly arboreal, and especially fond 

 of Koa, and is found under the bark, or in hollows in branches, sometimes in the top- 

 most twigs. Female seen ovipositing in the daytime in chinks of the bark of Koa." 



Colpodiscns lucipctcns, p. 210. "In West Maui, under stones on bank of stream, 

 but in Olaa, Hawaii, generally under logs or fallen fern-stems, or decayed vegetable 

 matter. Might become modified for this reason into two, quite credibly." 



Prodisenochus, p. 210. "Terrestrial; logs or wood, very particular as to soil, 

 conditions of dampness, etc., like Atracliycuciuis and others, perhaps even more so." 



Mysticomemts, p. 212. Under bark, as far as Mr Perkins has observed M. tibialis. 



Colpocaccns tantalus, p. 214. "Under bark of Koa commonly, at bases of the 

 leaves of Ereyciiictia, under stones in wet places and in decaying vegetable matter. 

 Very curious, compared with most of the other Carabids. The other species of this 

 genus are probably more or less indiscriminate in their choice." 



Mctroincnus, p. 231. In this genus the habits also vary according to the species. 

 " Some are found only under bark, others only at the bases of the leaves ot lilies, 

 Freycinetia ; others purely terrestrial under stones or logs. A few species of this genus 

 and oi iMcsothriscus are irregular in habits, like Colpocacats." 



Ptfrosticliidfs, p. 243. The species are generally either purely arboreal or purely 

 terrestrial. It is worthy of note that a very large proportion of Mr Perkins' specimens 

 of certain species of Mccyclothorax were taken on one occasion near the summit of 

 Haleakala. J\I. piisilliis, nistiais. iniians and siibcoust rictus were then procured in 

 numbers. These are very closely allied forms, and the distinction ot the species has in 

 this case nothing to do with geographical segregation. 



