BLAPSTINUS. 131 
18. Blapstinus longulus. 
Blapstinus longulus, Lec. Ann. Lyc. New York, v. p. 147'; Horn, Rev. Ten. N. A. p. 3547. 
Hab. Nortu America, River Gila 1, Southern Arizona 2. 
Found on our northern frontier. 
19. Blapstinus atratus. (Tab. VI. fig. 20.) 
Elongate oval, subparallel, moderately convex, dull black, when fresh sparingly clothed with fine recumbent 
cinereous hairs. Head closely and coarsely punctured; prothorax strongly transverse, widest at the base, 
slightly narrowing anteriorly, the sides very feebly rounded and sinuate before the base, apex feebly 
emarginate, base feebly bisinuate, anterior angles obtuse, hind angles rectangular or subacute, closely and 
rather finely punctured, the punctures separate; elytra rather long, subparallel, regularly, shallowly, and 
rather finely punctate-striate, the interstices flat and finely and rather closely punctured ; legs black, the 
tibiee paler ; anterior tibie similar in both sexes. 
Length 4-5 millim. (¢ 2.) 
Hab. Mexico, Tehuacan (Hége); Guatemaza (Sallé), near the city, San Joaquin, San 
Geronimo, Panajachel, Champerico, Zapote, El Jicaro (Champion) ; Nicaraeva (Sallé) ; 
Panama, Taboga Island (Champion). 
Rather common in Guatemala. A small, narrow, dull black species, not very closely 
allied to any other recorded here. A closely-allied form is found in the island of 
Santo Domingo. 
b. Elytra with the strie interrupted. 
20. Blapstinus emmenastoides. (Tab. VI. fig. 22.) 
Oblong ovate, convex, dull brownish black, with a slight bronzy tinge, rather densely clothed with light brown 
or cinereous coarsish recumbent hairs. Head coarsely and very closely punctured; prothorax convex, 
transverse, widest at the base, narrowing anteriorly, the sides slightly rounded and feebly sinuate before 
the angles, apex rather deeply emarginate, base strongly bisinuate, angles somewhat prominent, very 
closely and coarsely punctured, the punctures more or less confluent anteriorly and towards the sides ; 
elytra convex, shallowly and rather finely punctate-striate, the strie lightly impressed and more or less 
interrupted, and the punctures coarser towards the sides, the interstices flat, and closely, irregularly, and 
rather coarsely punctured ; legs black ; anterior tibie similar in both sexes; the anterior tarsi not very 
strongly dilated in the male. Beneath slightly shining, rather coarsely punctured and longitudinally 
wrinkled. 
Length 5-6 millim. (¢ 9.) 
Hab. Mexico, Juquila (Sallé), Jalapa (Hoge); Guatemata, Yzabal (Sallé), Aceytuno 
(Salvin), Ostuncalco 7500 feet, San Martin, Quezaltenango, Panajachel, Capetillo, 
Cerro Zunil, Duefias (Champion). 
Common beneath stones in the ‘ Los Altos’ region of Guatemala. A small, dull, 
convex species, the thorax coarsely and almost confluently punctured, the striz of the 
elytra more or less interrupted. 
SS 2 
