1927] 
Four New Helmidce from Cuba 
93 
Pronotal disk without carinse or definite impressions; 
palpi infuscate; intercoxal portion of prosternum nearly as wide 
as that of mesosternum Helmis simplex n. sp. 
2. Pronotum strongly, transversely impressed at middle.. . 3 
Pronotum longitudinally, not transversely, impressed.. A 
3. Basal half of pronotum granulate, opaque 
H. minima n. sp. 
Pronotum entirely shining, not granulate; prothorax 
more narrowed at base; size a little larger; (Texas) 
H. ccesa Lee. 
4. Elytra together nearly twice as long as wide; pronotum 
darker than elytra H. filiformis n. sp . 
Elytra together about one and a half times as long as 
wide; pronotum never darker than elytra 5 
5. Sublateral carinse reaching anterior edge of pronotum.. . 6 
Sublateral carinse abbreviated anteriorly; (Grenada). 
H. smithi Grouv. 
6. Ferrugineous; larger and proportionately broader; pro- 
thorax more narrowed at base; prosternum broader between the 
coxae; (Texas) . H. ferruginea Horn. 
Elytra usually slate-colored H. quadrata n. sp . 
Helmis minima n. sp. 
Elongate, parallel, slightly depressed; piceous black, pro- 
notum and front darker; abdomen, antennae, legs, and labrum 
rufous; palpi pale yellow. Head moderately shining, faintly 
punctured and pubescent. Prothorax subquadrate, hardly as 
wide as long, slightly and regularly narrowed at apex and, very 
slightly, at base; sides otherwise nearly parallel; lateral margins 
finely crenate; disk with complete, transverse median impression, 
and with a pair of fine sublateral carinse paralleling the side mar- 
gins from base to apex, the distance between them being some- 
what more than half the discal diameter; area before transverse 
impression shining, finely and sparsely pubescent; area behind 
impression dull, granulate. Elytra together a little less than 
twice as long as wide, very little wider than the thorax, the sides 
straight and very slightly divergent from just back of humeri to 
