Genera (if the Cossonidce. 563 
76. Catolethromoephus {nov. gen.). — The present 
genus is founded on a single example from tlie East Indies 
(I have no note as to the exact region) which has been 
communicated by Mr. Fry ; and we may perhaps look 
upon it as the Asiatic representative of the American 
group Catolethrus, to which in external aspect and struc- 
ture it is a good deal allied. Yet it manifestly cannot be 
associated with the Catolethri, the most essential features 
of which (as regards rostrum, eyes, and antennte) it does 
not possess. Thus, not only is its rostrum thicker and 
more strictly parallel (there being no indication of the 
slight, and gradual, ividening towards the base and apex 
which is so characteristic of that group), and undivided 
by a frontal line from the head, but the latter is more 
exserted and largely developed, and has the eyes (instead 
of transverse, subapproximated, and depressed) rounded, 
comparatively wide apart, and slightly prominent. Its 
prothorax also is considerably shorter (being more trun- 
cated both before and behind), as well as more even and 
convex, — there being no trace of either a keel in front, or 
of a groove-like depression behind ; its elytra are more 
strictly parallel, and entire (instead of separately and 
minutely rounded-off) at their apex; its antennje (which 
are inserted in the middle of the rostrum, instead of con- 
siderably behind it) have their scape very much longer, 
and their club more abrupt and less acuminated ; and its 
intermediate coxte are more remote. This last-mentioned 
peculiarity has a certain importance amongst these imme- 
diate groups, — occasioning the four posterior legs (instead 
of, as in Catolethrus, the four anterior ones) to be equi- 
distant at their base. 
77. Brachych^nus {nov. gen.). — In its rather narrow, 
parallel, and depressed body (which is of a palish, rufo- 
ferruginous hue), as well as in its linear and somewhat 
robust rostrum, its even prothorax, and the fact of its 
four posterior legs being subequally distant at their base 
(occasioned by the intermediate pair being rather wider 
apart than is usual), the little Cossonid from which the 
details for the present genus have been compiled, and 
which has been communicated by Mr. Pascoe as having 
been taken by Mr. Wallace at Sarawak in Borneo, has a 
good deal in common with Catolethromorphus ; neverthe- 
less its type is very much more minute than that of the 
latter, its rostrum is relatively not so elongated, its 
