PLATAMUS.—EUPLATAMUS. 549 
elytra. Both sexes have a more abundant pubescence at the sides of the elytra. In 
P. grouvellei the lateral margin at the front angle of the thorax is incrassate ; it is not 
so in P. untformis. 
5. Platamus dispar, sp.n. (Tab. XVII. figg. 13, ¢ ; 134, hind foot, 3; 
14, 2 .) 
Depressus, niger ; prothorace magno, minus dense et fortiter punctato, ad latera irregulari. ‘ 
Mas, antennis longioribus; elytris nitidis, fortiter punctatis; tarsi posterioribus articulis duobus elongatis et 
dilatatis. 
Long. 7 millim. 
Fem., elytris opacis, obsolete punctatis. 
Long. 6 millim. 
Hab. Guatemaa, Totonicapam and Quiché Mountains 7000 to 10,500 feet ( Champion). 
This is readily distinguished from the other species by the diminished punctuation 
of the prothorax and by the great disparity between the sexes. The dilated joints of 
the male foot are elongate, as in P. grouvellei. We have received a good series, 
exhibiting very little variation. They were found under the bark of pines. 
EUPLATAMUS, gen. nov. 
Corpus depressum, pubescens. Antenne lineares, articulo basali sat elongato. Genee subtus spinosee. Palpi 
-maxillares articulo ultimo haud securiforme, parvo. Coxe omnes approximate, haud contigue. Tarsi 
brevissimi, lati, quinque-articulati, articulo basali perbrevi, articulis secundo tertioque brevibus, lobatis, 
articulo quarto minimo, articulo quinto elongato, unguiculis minutis. 
Euplatamus is established for some very rare insects connecting Platamus with 
Cryptamorpha. Although differing much in facies from Cryptamorpha on account of 
the depressed form, I think the place of Euplatamus is certainly next the genus just 
named. It will be best distinguished therefrom by the lobes of the tarsi being entire, 
not divided, and by the prominent subspinose angles of the gene. The tarsi appear 
to be only 4-jointed: this arises from the minute fourth joint being inserted near 
the base of the elongate third joint. The first joint is very short on the upperside, 
longer below and there hairy; the second and third joints are fairly similar in form, 
each has the joint following it inserted near the base, the joint itself being prolonged 
beneath and grooved above. 
1. Euplatamus debilis, sp. n. (Tab. XVII. fig. 15, var.) 
Depressus, piceus, parce pubescens, nitidus, antennarum basi pedibusque rufis; elytris sordide testaceis, 
seriatim fortiter punctatis. . 
Long. 34 millim. 
Hab. Brivish Honpuras, Belize (Blancaneaux) ; Nicaragua, Chontales (Janson). 
First joint of antenna large, oval, longer than the two following together; joints 
6-11 a little broader than joints 2-5, terminal joint elongate, pointed. Head broad 
