312 STA PHYLINIDA. 
Hab. Mexico, Saltillo'in Coahuila (Palmer). 
The antenne are slender, with the tenth joint slightly longer than broad; the five or 
six basal joints yellow, the rest slightly infuscate. The thorax is yellow, with a large 
pitchy mark in front extending nearly to the base. The suture df the elytra in front 
is infuscate, and there is a well-marked black line extending from the shoulder more 
than halfway to the hind margin. 
The species is very similar to 7. chrysomelinus, but the individuals are smaller, with 
feebler antenne, largely infuscate disk to the thorax, and the front tarsi of the male 
only very slightly dilated. 
2. Tachyporus pectoralis. 
Testaceus ; capite superne, pectore abdominisque segmentorum partibus anterioribus fuscis, elytris rufo- 
testaceis. 
Long. 4 millim. 
Var. capite prothoraceque testaceis. 
Hab. GUATEMALA, Quezaltenango 7800 feet (Champion). 
Antenne testaceous, rather slender, evidently thicker externally. lytra very 
sparingly punctured, scarcely darker about the scutellum. Hind body with the basal 
portions of the three or four anterior segments dark in colour; the terminal segment 
also darker. 
I have seen only two individuals; the more pallid colour of one of them may be due 
to immaturity. The male anterior tarsi are only slightly dilated. 
3. Tachyporus pallescens. 
Debilis, testaceus; capite superne pectoreque fuscis; prothorace antrorsum minus angustato, elytris parcius 
punctatis. 
3 Ty: 
Long. 3? millim. 
Hab. GuatTEMALA, Guatemala city, Quiche Mountains 7000 to 9000 feet (Champion). 
Antenne not elongate, evidently thicker externally; ninth and tenth joints scarcely so 
long as broad. Elytra less punctate than usual. Hind body entirely yellow. 
Two individuals from each locality are before me; those from the Quiche Mountains 
are slightly larger, and have a slight cloud of dark colour on the middle of the thorax. 
The anterior tarsi of the male are scarcely dilated. 
4. Tachyporus argutus. (Tab. VII. fig. 13.) 
Niger; antennis, pedibus, prothoracis lateribus et basi elytrorum posterius testaceis, abdominis segmentis 
basalibus testaceo-marginatis. 
Long. 4 millim, 
Hab. GuatEMALa, Duefias (Champion). 
Antenne entirely testaceous; ninth and tenth joints rather longer than broad. 
