from the Galapagos Islands. 21 
Section GEODEPHAGA. 
Family FeRonrip2. 
Feronia Calathoides. Fer. nigra oblongo-ovata, nitida ; antennis pi- 
ceo-rubris ; pedibus piceis; thorace subquadrato, subplano, foveis 
duabus oblongis postice impressis, elytris sulcato-striatis.— Long. 
corp. 44 lin. ; lat. 12 lin. 
This insect very much resembles the Calathus cistelloides ; its 
head however is rather longer, and both thorax and elytra are 
rather shorter ; the latter, moreover, are much more deeply stri- 
ated, and the interstices between the striz are convex. With the 
exception of being a trifle shorter, the thorax resembles that of 
Calathus cistelloides in being nearly quadrate and but little con- 
vex: the sides are nearly straight and parallel behind, but shghtly 
contracted in front ; the posterior angles are right angles; the 
dorsal channel is distinct, and midway between the dorsal channel 
and either side of the thorax is a narrow, impunctate, longitudinal 
grooye, in length occupying fully the basal third of the thorax. 
The elytra are of an oblong-ovate form, and rather broader than 
the thorax ; the somewhat deep striz with which they are marked 
are smooth, but a few punctures are observable on the outer 
margin of each elytron. The legs are sometimes pitchy and 
sometimes pitchy-red. 
Feronia galapagoensis. Fer. angusta, nigro-zenea, nitidiuscula; an- 
tennis rufescentibus, pedibus piceis ; thorace subquadrato, sub- 
plano, postice angustiore ; foveis duabus postice impressis ; elytris 
elongatis, lateribus subparallelis, leviter striatis—Long. corp. 54 
lin. ; lat. 13 lin. 
This species is equal in size to the Calathus cistelloides, but is 
of a narrower and much more elongated form. The br oadest part 
of the thorax is rather in front of the middle, and from this point 
they are gradually contracted before and behind ; in front in such 
a manner as to give to the sides a slightly rounded outline, but 
behind, the margins are nearly straight, and converge in no very 
marked degree. The elytra are elongated, but little broader than 
the thorax ; the shoulders are obtusely rounded, and the sides 
form a yery gentle curve, so that they might be compared to a 
very long oval ; they have delicate simple striz : on the second stria 
are two punctures rather remote from each other and situated on 
the hinder half of the elytron ; and on the third stria is another 
puncture situated on the anterior half: besides these, there are a 
few punctures on the outer margin. ‘The legs vary in colour from 
pitchy-black to pitchy-red. The eneous tinge on the body is 
nowhere very distinct. 
These two insects will not associate well with any of the sub- 
