218 
only one specimen before me are the markings at all distinct), 
but the size of both sexes is distinctly less, and the prothorax 
is decidedly longer, and on abrasion the punctures are seen 
to be somewhat smaller and more regular. 
The species of MyUocerus known to me may be tabulated 
as follows : --- 
Prothorax at ba.se wider than elytra ... Idt'icoUis, n. sp. 
Prothorax narrower than elytra. 
Prothorax at ba.se much wider than at 
apex. 
Apex of prothorax strongly incurved ... Bov'ilJi, Blackb. 
Apex of prothorax straight, or almost .so. 
Clothing never green ... ... ... cin era seen s, Pasc. 
Clothing more or less green. 
Prothorax Avith two in^egnlar black 
vittse ... ... ... ... ... spec'iosus, Blackb. 
Prothorax without vitta>. ... ... ahinidans. n. sp. 
Prothorax at baise not at all or very little 
wider than at apex. 
Elytra with long setre or bristles. 
Setse on prothorax and head also long echniatus, n. sp. 
Setse on prothorax and head normal ... svturnHs, n. sp. 
Elytra never with long seta?. 
Clothing more or less green. 
Elytra wider at middle than at base frepidiis. Pasc-. 
Elytra parallel-sided to beyond the 
middle. 
Prothorax .strongly rounded in 
middle ... ... ... ... eleqans, n. sp. 
Prothorax at most moderately 
7-oundcd in middle. 
Prothorax les-s than once and 
ono half as wide as long ... vsitatvs. Lea. 
Protliorax at least once and one 
half as wide as long. 
vSiitural interstice with dis- 
tinct setse throughout ... carlnatiis. Lea. 
Suturnl interstice at most j Tafr}. Blackb. 
setose posteriorly ... ... i Vnnrini, Blackb. 
Clntliing of upper surface not at all 
green. 
First ^ioint of funicle shorter than 
second ... ... ... ... eTilis, n. ."^p. 
First joint of funiclo longer than 
.sooojid. 
Rostrum wider than long. 
l^llytra wider at middle than at 
base ... ... ... ... rufiirollis. n. sp. 
Elytra pa?'allel-sided to be.vond 
the middle ... ... ... amhhfrhinvs. n. sp. 
Ro^tinim longer than wide. 
Clothing pure white ... ... nireus. n. sp. 
Clothing more or le.'^s varie- 
gated. 
Narrowest part of rostrnm its 
apex ... ... ... ... snrrlirJiis, r. sp. 
Narrowest part of rostrnm 
before its apex ... ... triUneafiis. n. .^p. 
